Metric details

Every pilot's reading on every behaviour, family by family.

Analysis computed

best: could be chance (0.04)

#	Pilot	NonSink%
1	Harrison Rowntree	54
2	Hughbert Alexander	59
3	Rohan Holtkamp	58
4	Ollie Chitty	56
5	Adam Stevens	60
6	Steve Blenkinsop	60
7	Sam Prest	64
8	Neale Halsall	53
9	Mitch Butler	59
10	Peter Adriaans	58
11	James Wynd	61
12	James Atkinson	60
13	Randall Clotworthy	54
14	Keith Lavers	56
15	Bruce Atkinson	60
16	Tony Cross	59
17	Tushar Pokle	61
18	Todd Wisewould	59
19	Pete Bolton	57
20	Neil Hooke	66
21	Dean Bayly	60
22	Michael Free	56
23	Mark Divito	62
24	Jason Carman	57
25	Steve Norman	54
26	Dave Moore	54
27	Andy Schmidt	62
28	Anthony Meechan	57

The day’s wind, hour by hour and leg by leg

Measured in kilometres per hour · no expected direction

What the air did, read from the field itself. We estimate the wind from the circling of every pilot. The first method is the drift of the circle centre, and the second method, used when the first is not available, is the modulation of the ground speed. We then combine the estimates two ways. The table by hour of day shows how the wind increased and changed direction through the day. The table by speed-section leg shows the wind on each part of the course. This metric describes the day, so it has no value for each pilot.

Wind by hour

Period	Speed (km/h)	Dir (°)	n
Whole task	11.4	328	3075
13:00 AEDT	8.8	302	76
14:00 AEDT	10.0	347	1074
15:00 AEDT	11.9	329	1015
16:00 AEDT	13.4	319	772
17:00 AEDT	14.0	298	135
18:00 AEDT	19.0	308	3

Each circle gives one wind estimate. GlideComp uses centre drift where it can, and ground-speed modulation where it cannot. The direction is the vector mean of the estimates, in degrees the wind blows FROM (0° = north). The speed is the median of their magnitudes, because the length of a vector mean falls toward zero when the directions scatter.

Hours are shown in the competition’s time zone.

Wind by leg

Leg	Flown	Pilots	Circling	Speed (km/h)	Dir (°)	n	From pilots
ELLIOT (SSS)→WALWA	14:16–17:55 AEDT	20	14:19–17:44 AEDT	11.8	325	856	20
WALWA→CORRY (ESS)	15:19–17:45 AEDT	16	15:25–17:35 AEDT	15.9	322	396	16
CORRY (ESS)→CORRY (GOAL)	15:46–17:45 AEDT	16	—	—	—	0	0

“Flown” is when the field was ON the leg — the first pilot entering to the last leaving — over the “Pilots” who started and flew the whole leg.

“Circling” is the narrower window the wind was actually measured in: first to last circle estimate any pilot logged while on the leg, from “From pilots” pilots. Glides produce no estimate, so a leg the field mostly glided shows a sliver of its flown window (or “—” where no one circled at all) — and a late leg the leaders glided can be measured EARLIER than the leg before it without either being wrong.

How strong the day’s climbs were, hour by hour

Measured in metres per second · no expected direction

When the day started, reached its peak, and ended. We group the thermal climbs of all pilots by the hour in which each climb started, labelled in the time zone of the competition. The median and the 90th-percentile average climb rate for each hour show how the lift developed. The first row is the whole task, measured over every climb of the day in one set, and not as an average of the hourly rows. This metric describes the day, so it has no value for each pilot.

Climb by hour

Period	Median (m/s)	p90 (m/s)	n
Whole task	1.2	2.2	1038
13:00 AEDT	1.3	2.0	28
14:00 AEDT	1.2	2.6	297
15:00 AEDT	1.3	2.2	405
16:00 AEDT	1.2	2.2	252
17:00 AEDT	1.3	2.0	54
18:00 AEDT	1.0	1.0	2

The average climb rate of every thermal use across the field, grouped by the start of the climb. The hours are in the time zone of the competition. The whole-task row is measured over all of those climbs together, not averaged from the hours.

Share of the flight spent in air that wasn’t sinking

Measured in percent · no expected direction

How much of the flight was in air worth being in. The value is the share of the airborne time of a pilot, on the shared grid, with a 30 s-smoothed vario at or above −0.5 m/s. The time they flew, the line they steered and the way the flight ended all feed this value. It is therefore a reading of the day as much as of the pilot. There is no expected direction, and the sign of the correlation is the finding. The timing table compares the window of the day’s best climbs against the time when the field launched.

Day timing

	Time
Best conditions	15:00–16:00 AEDT
Earliest takeoff	13:42 AEDT
Median takeoff	14:34 AEDT
Latest takeoff	15:51 AEDT

Best conditions is the one-hour window with the strongest median climb (1.3 m/s), among hours with enough climbs to be representative (≥20% of the busiest hour).

best: clear pattern (0.67)

#	Pilot	Out-climb	Core s	LeaveRate	Kept%	TopOut%	Round
1	Harrison Rowntree	71 (35 shared climbs)	35 (23 climbs ≥ 60 s)	1.8 (15 climbs ≥ 90 s)	73 (11/15 circling bouts led to climbs)	78 (mean on-course altitude 65% of band)	0.18 (158 circles, 2% left)
2	Hughbert Alexander	70 (49 shared climbs)	42 (20 climbs ≥ 60 s)	1.9 (10 climbs ≥ 90 s)	79 (15/19 circling bouts led to climbs)	82 (mean on-course altitude 60% of band)	0.20 (176 circles, 31% left)
3	Rohan Holtkamp	78 (33 shared climbs)	64 (13 climbs ≥ 60 s)	1.9 (10 climbs ≥ 90 s)	82 (9/11 circling bouts led to climbs)	87 (mean on-course altitude 62% of band)	0.18 (171 circles, 82% left)
4	Ollie Chitty	76 (28 shared climbs)	57 (16 climbs ≥ 60 s)	0.9 (13 climbs ≥ 90 s)	70 (7/10 circling bouts led to climbs)	86 (mean on-course altitude 56% of band)	0.18 (148 circles, 0% left)
5	Adam Stevens	74 (56 shared climbs)	35 (19 climbs ≥ 60 s)	1.7 (11 climbs ≥ 90 s)	69 (9/13 circling bouts led to climbs)	76 (mean on-course altitude 56% of band)	0.14 (198 circles, 58% left)
6	Steve Blenkinsop	65 (21 shared climbs)	89 (16 climbs ≥ 60 s)	1.2 (15 climbs ≥ 90 s)	100 (10/10 circling bouts led to climbs)	85 (mean on-course altitude 54% of band)	0.19 (159 circles, 10% left)
7	Sam Prest	70 (56 shared climbs)	61 (11 climbs ≥ 60 s)	1.8 (7 climbs ≥ 90 s)	93 (13/14 circling bouts led to climbs)	77 (mean on-course altitude 63% of band)	0.18 (109 circles, 57% left)
8	Neale Halsall	42 (23 shared climbs)	65 (19 climbs ≥ 60 s)	0.3 (16 climbs ≥ 90 s)	73 (16/22 circling bouts led to climbs)	88 (mean on-course altitude 68% of band)	0.17 (111 circles, 5% left)
9	Mitch Butler	56 (30 shared climbs)	56 (29 climbs ≥ 60 s)	0.4 (22 climbs ≥ 90 s)	85 (11/13 circling bouts led to climbs)	96 (mean on-course altitude 60% of band)	0.21 (46 circles, 24% left)
10	Peter Adriaans	63 (32 shared climbs)	51 (20 climbs ≥ 60 s)	-0.1 (16 climbs ≥ 90 s)	67 (16/24 circling bouts led to climbs)	88 (mean on-course altitude 66% of band)	0.16 (101 circles, 6% left)
11	James Wynd	55 (12 shared climbs)	60 (15 climbs ≥ 60 s)	0.2 (13 climbs ≥ 90 s)	62 (8/13 circling bouts led to climbs)	96 (mean on-course altitude 66% of band)	0.30 (11 circles, 18% left)
12	James Atkinson	65 (17 shared climbs)	49 (17 climbs ≥ 60 s)	1.7 (9 climbs ≥ 90 s)	100 (9/9 circling bouts led to climbs)	66 (mean on-course altitude 55% of band)	0.23 (136 circles, 26% left)
13	Randall Clotworthy	61 (3 shared climbs)	36 (18 climbs ≥ 60 s)	2.0 (7 climbs ≥ 90 s)	73 (11/15 circling bouts led to climbs)	90 (mean on-course altitude 66% of band)	0.25 (99 circles, 21% left)
14	Keith Lavers	66 (17 shared climbs)	65 (23 climbs ≥ 60 s)	0.0 (17 climbs ≥ 90 s)	58 (11/19 circling bouts led to climbs)	73 (mean on-course altitude 52% of band)	0.23 (19 circles, 5% left)
15	Bruce Atkinson	66 (28 shared climbs)	76 (19 climbs ≥ 60 s)	1.4 (17 climbs ≥ 90 s)	77 (10/13 circling bouts led to climbs)	66 (mean on-course altitude 56% of band)	0.20 (124 circles, 23% left)
16	Tony Cross	72 (42 shared climbs)	48 (20 climbs ≥ 60 s)	1.2 (14 climbs ≥ 90 s)	69 (9/13 circling bouts led to climbs)	91 (mean on-course altitude 58% of band)	0.13 (227 circles, 25% left)
17	Tushar Pokle	74 (22 shared climbs)	36 (26 climbs ≥ 60 s)	1.4 (18 climbs ≥ 90 s)	72 (18/25 circling bouts led to climbs)	80 (mean on-course altitude 68% of band)	0.13 (158 circles, 35% left)
18	Todd Wisewould	74 (34 shared climbs)	34 (18 climbs ≥ 60 s)	1.3 (11 climbs ≥ 90 s)	92 (11/12 circling bouts led to climbs)	90 (mean on-course altitude 62% of band)	0.17 (173 circles, 59% left)
19	Pete Bolton	75 (39 shared climbs)	40 (17 climbs ≥ 60 s)	1.4 (12 climbs ≥ 90 s)	58 (7/12 circling bouts led to climbs)	84 (mean on-course altitude 63% of band)	0.15 (172 circles, 27% left)
20	Neil Hooke	57 (33 shared climbs)	57 (18 climbs ≥ 60 s)	0.8 (10 climbs ≥ 90 s)	73 (8/11 circling bouts led to climbs)	90 (mean on-course altitude 66% of band)	0.13 (169 circles, 25% left)
21	Dean Bayly	48 (11 shared climbs)	89 (16 climbs ≥ 60 s)	0.4 (13 climbs ≥ 90 s)	65 (11/17 circling bouts led to climbs)	97 (mean on-course altitude 68% of band)	0.18 (96 circles, 38% left)
22	Michael Free	72 (6 shared climbs)	70 (13 climbs ≥ 60 s)	0.3 (10 climbs ≥ 90 s)	64 (7/11 circling bouts led to climbs)	37 (mean on-course altitude 29% of band)	0.21 (28 circles, 32% left)
23	Mark Divito	48 (9 shared climbs)	58 (16 climbs ≥ 60 s)	0.2 (11 climbs ≥ 90 s)	58 (7/12 circling bouts led to climbs)	96 (mean on-course altitude 61% of band)	0.17 (13 circles, 69% left)
24	Jason Carman	53 (7 shared climbs)	105 (12 climbs ≥ 60 s)	-0.5 (12 climbs ≥ 90 s)	53 (8/15 circling bouts led to climbs)	51 (mean on-course altitude 28% of band)	0.33 (19 circles, 63% left)
25	Steve Norman	41 (9 shared climbs)	115 (12 climbs ≥ 60 s)	-0.8 (12 climbs ≥ 90 s)	46 (6/13 circling bouts led to climbs)	96 (mean on-course altitude 69% of band)	— (4 circles, 75% left)
26	Dave Moore	70 (12 shared climbs)	48 (13 climbs ≥ 60 s)	0.9 (11 climbs ≥ 90 s)	25 (3/12 circling bouts led to climbs)	89 (mean on-course altitude 62% of band)	0.22 (75 circles, 17% left)
27	Andy Schmidt	53 (21 shared climbs)	22 (11 climbs ≥ 60 s)	1.0 (10 climbs ≥ 90 s)	56 (5/9 circling bouts led to climbs)	86 (mean on-course altitude 57% of band)	0.18 (69 circles, 0% left)
28	Anthony Meechan	73 (19 shared climbs)	53 (11 climbs ≥ 60 s)	1.6 (6 climbs ≥ 90 s)	—	—	0.16 (114 circles, 58% left)

Share of lift turned in that was kept as a climb

Measured in percent · no expected direction

How selective the pilot is about the lift they stop for. Each period of circling of 30 s or more after the start counts as lift that the pilot sampled. If the period overlaps a detected thermal, the pilot kept that lift. If it does not, they turned a few circles and left it. The value is the percentage kept. A low value means they are selective. A high value means they keep almost every climb they turn in. There is no expected direction: selection wins on a strong day and wastes time on a weak one.

Acceptance by hour

Hour	Median accepted (%)	pilots
14:00 AEDT	90	6
15:00 AEDT	85	26
16:00 AEDT	63	26
17:00 AEDT	29	9
18:00 AEDT	40	1

Median per-pilot acceptance %, bucketed by the hour (competition time zone).

How round and consistent the circles were

Measured in ratio · no expected direction

Whether the pilot flies clean, repeatable circles, or moves around the thermal. We fit each detected circle by least squares. The RMS fit error divided by the fitted radius measures how round the turn was. The value is the median over all of the circles of the pilot. A lower value means smoother and more consistent turns. There is no expected direction: a rough trace can be a pilot chasing a drifting or broken core rather than a pilot circling badly.

Turn direction across the field: 31% left (3083 circles).

best: clear pattern (0.81)

#	Pilot	GlideSpd	GlideL/D	Wide%	Dolphin%
1	Harrison Rowntree	65.4 (22 glides, 67 min gliding)	1.29 (2 legs compared)	8 (2 legs completed)	12 (713 of 6062 m gained outside thermals)
2	Hughbert Alexander	70.5 (20 glides, 57 min gliding)	1.31 (2 legs compared)	6 (2 legs completed)	10 (565 of 5694 m gained outside thermals)
3	Rohan Holtkamp	67.1 (16 glides, 52 min gliding)	1.17 (2 legs compared)	13 (2 legs completed)	12 (540 of 4421 m gained outside thermals)
4	Ollie Chitty	66.5 (13 glides, 44 min gliding)	0.92 (2 legs compared)	7 (2 legs completed)	1 (50 of 4556 m gained outside thermals)
5	Adam Stevens	67.4 (15 glides, 53 min gliding)	1.02 (2 legs compared)	12 (2 legs completed)	11 (470 of 4129 m gained outside thermals)
6	Steve Blenkinsop	62.0 (14 glides, 61 min gliding)	1.18 (2 legs compared)	17 (2 legs completed)	5 (221 of 4722 m gained outside thermals)
7	Sam Prest	67.6 (25 glides, 54 min gliding)	1.25 (2 legs compared)	17 (2 legs completed)	17 (756 of 4470 m gained outside thermals)
8	Neale Halsall	58.3 (20 glides, 62 min gliding)	1.09 (2 legs compared)	17 (2 legs completed)	3 (119 of 4343 m gained outside thermals)
9	Mitch Butler	58.9 (12 glides, 54 min gliding)	0.87 (2 legs compared)	14 (2 legs completed)	3 (169 of 5167 m gained outside thermals)
10	Peter Adriaans	60.9 (17 glides, 58 min gliding)	0.94 (2 legs compared)	16 (2 legs completed)	8 (325 of 4294 m gained outside thermals)
11	James Wynd	66.8 (12 glides, 50 min gliding)	1.12 (2 legs compared)	22 (2 legs completed)	2 (61 of 3952 m gained outside thermals)
12	James Atkinson	58.2 (27 glides, 63 min gliding)	0.77 (2 legs compared)	16 (2 legs completed)	30 (2091 of 7021 m gained outside thermals)
13	Randall Clotworthy	58.5 (20 glides, 66 min gliding)	1.04 (2 legs compared)	16 (2 legs completed)	8 (419 of 5073 m gained outside thermals)
14	Keith Lavers	51.6 (15 glides, 63 min gliding)	0.73 (2 legs compared)	15 (2 legs completed)	3 (268 of 8222 m gained outside thermals)
15	Bruce Atkinson	53.4 (21 glides, 74 min gliding)	1.25 (2 legs compared)	14 (2 legs completed)	8 (363 of 4426 m gained outside thermals)
16	Tony Cross	60.6 (21 glides, 71 min gliding)	1.00 (2 legs compared)	35 (2 legs completed)	6 (324 of 5680 m gained outside thermals)
17	Tushar Pokle	46.7 (34 glides, 86 min gliding)	0.91 (1 leg compared)	110 (1 leg completed)	12 (804 of 6505 m gained outside thermals)
18	Todd Wisewould	57.3 (13 glides, 56 min gliding)	1.05 (1 leg compared)	38 (1 leg completed)	15 (512 of 3484 m gained outside thermals)
19	Pete Bolton	48.2 (17 glides, 58 min gliding)	0.83 (1 leg compared)	63 (1 leg completed)	11 (434 of 3869 m gained outside thermals)
20	Neil Hooke	51.6 (12 glides, 56 min gliding)	0.97 (1 leg compared)	22 (1 leg completed)	15 (356 of 2330 m gained outside thermals)
21	Dean Bayly	47.9 (13 glides, 59 min gliding)	—	—	2 (100 of 4228 m gained outside thermals)
22	Michael Free	40.7 (10 glides, 43 min gliding)	—	—	8 (174 of 2259 m gained outside thermals)
23	Mark Divito	39.4 (6 glides, 34 min gliding)	—	—	4 (82 of 1860 m gained outside thermals)
24	Jason Carman	43.9 (4 glides, 42 min gliding)	—	—	9 (390 of 4434 m gained outside thermals)
25	Steve Norman	57.4 (5 glides, 29 min gliding)	—	—	2 (45 of 2866 m gained outside thermals)
26	Dave Moore	54.0 (7 glides, 34 min gliding)	—	—	5 (90 of 1786 m gained outside thermals)
27	Andy Schmidt	56.5 (7 glides, 28 min gliding)	—	—	25 (342 of 1359 m gained outside thermals)
28	Anthony Meechan	—	—	—	—

Glide speed between climbs

Measured in kilometres per hour · higher is better

How fast the pilot moves down the course when they are on a glide. The value is the duration-weighted mean ground speed over every glide after the start, which is the glide distance divided by the glide time. A higher value means more ground covered in each minute between climbs.

Field glide speed: median 58.2 km/h · p90 67.2 km/h (27 pilots)

best: some pattern (0.49)

#	Pilot	Floor%	LowSaves	km/climb	Search%
1	Harrison Rowntree	62 (14 descents, lowest -33% of band)	0.0	1.6 (mean shared-climb pctile 55%)	17
2	Hughbert Alexander	65 (16 descents, lowest -9% of band)	0.0	1.6 (mean shared-climb pctile 57%)	38
3	Rohan Holtkamp	66 (9 descents, lowest -15% of band)	0.0	2.1 (mean shared-climb pctile 60%)	29
4	Ollie Chitty	45 (10 descents, lowest 20% of band)	0.0	3.4 (mean shared-climb pctile 47%)	10
5	Adam Stevens	62 (10 descents, lowest -8% of band)	0.0	2.0 (mean shared-climb pctile 55%)	25
6	Steve Blenkinsop	62 (8 descents, lowest -17% of band)	1.0 (deepest save from 5% of band)	3.4 (mean shared-climb pctile 49%)	17
7	Sam Prest	64 (12 descents, lowest -28% of band)	0.0	1.5 (mean shared-climb pctile 49%)	30
8	Neale Halsall	71 (15 descents, lowest -37% of band)	0.0	2.6 (mean shared-climb pctile 31%)	35
9	Mitch Butler	67 (10 descents, lowest 5% of band)	1.0 (deepest save from 5% of band)	3.2 (mean shared-climb pctile 36%)	9
10	Peter Adriaans	69 (13 descents, lowest 5% of band)	0.0	2.1 (mean shared-climb pctile 41%)	35
11	James Wynd	68 (10 descents, lowest 26% of band)	0.0	4.1 (mean shared-climb pctile 30%)	23
12	James Atkinson	33 (15 descents, lowest -13% of band)	3.0 (deepest save from -23% of band)	1.3 (mean shared-climb pctile 57%)	39
13	Randall Clotworthy	80 (13 descents, lowest -1% of band)	0.0	1.8 (mean shared-climb pctile 61%)	32
14	Keith Lavers	57 (12 descents, lowest -13% of band)	2.0 (deepest save from -11% of band)	2.5 (mean shared-climb pctile 37%)	12
15	Bruce Atkinson	59 (13 descents, lowest -27% of band)	1.0 (deepest save from 3% of band)	1.9 (mean shared-climb pctile 60%)	35
16	Tony Cross	73 (11 descents, lowest -2% of band)	2.0 (deepest save from 4% of band)	1.8 (mean shared-climb pctile 50%)	20
17	Tushar Pokle	65 (17 descents, lowest -9% of band)	0.0	0.8 (mean shared-climb pctile 62%)	36
18	Todd Wisewould	67 (10 descents, lowest -15% of band)	0.0	1.8 (mean shared-climb pctile 56%)	43
19	Pete Bolton	80 (10 descents, lowest -14% of band)	0.0	1.2 (mean shared-climb pctile 58%)	39
20	Neil Hooke	80 (7 descents, lowest -24% of band)	0.0	1.9 (mean shared-climb pctile 44%)	52
21	Dean Bayly	64 (11 descents, lowest -11% of band)	0.0	1.8 (mean shared-climb pctile 38%)	30
22	Michael Free	12 (8 descents, lowest -27% of band)	1.0 (deepest save from -1% of band)	2.4 (mean shared-climb pctile 43%)	31
23	Mark Divito	78 (5 descents, lowest 5% of band)	0.0	2.6 (mean shared-climb pctile 32%)	31
24	Jason Carman	8 (3 descents, lowest -10% of band)	2.0 (deepest save from 5% of band)	3.4 (mean shared-climb pctile 45%)	26
25	Steve Norman	81 (7 descents, lowest 62% of band)	0.0	2.2 (mean shared-climb pctile 33%)	28
26	Dave Moore	75 (5 descents, lowest 51% of band)	0.0	—	46
27	Andy Schmidt	55 (2 descents, lowest 22% of band)	0.0	—	45
28	Anthony Meechan	—	0.0	—	42

Share of race time spent hunting for the next climb

Measured in percent · lower is better

Time that goes into neither a climb nor progress down the course. This is the time spent to find lift, to stay up, and to decide what to do next. The value is the share of the speed-section time, from the start to ESS or to the landing, in which the pilot neither climbed in a thermal nor glided with real net speed. A lower value means less time lost between climbs.

Speed-section phase shares, field p25/median/p75: climb 39/42/46% · glide 23/27/31% · search 25/31/38%

best: could be chance (0.51)

#	Pilot	InGaggle%	Marked%	LeaveWin%
1	Harrison Rowntree	17	14 (5/37 climbs marked)	—
2	Hughbert Alexander	6	27 (10/37 climbs marked)	100 (1W–0L (1 departure))
3	Rohan Holtkamp	48	41 (11/27 climbs marked)	100 (2W–0L (2 departures))
4	Ollie Chitty	25	29 (5/17 climbs marked)	100 (3W–0L (3 departures))
5	Adam Stevens	73	59 (17/29 climbs marked)	50 (1W–1L (2 departures))
6	Steve Blenkinsop	23	18 (3/17 climbs marked)	—
7	Sam Prest	86	61 (23/38 climbs marked)	50 (1W–1L (2 departures))
8	Neale Halsall	49	55 (12/22 climbs marked)	—
9	Mitch Butler	39	39 (7/18 climbs marked)	0 (0W–1L (1 departure))
10	Peter Adriaans	57	56 (15/27 climbs marked)	—
11	James Wynd	35	57 (8/14 climbs marked)	25 (1W–3L (4 departures))
12	James Atkinson	6	7 (3/43 climbs marked)	—
13	Randall Clotworthy	0	0 (0/33 climbs marked)	—
14	Keith Lavers	3	30 (7/23 climbs marked)	100 (1W–0L (1 departure))
15	Bruce Atkinson	27	40 (12/30 climbs marked)	100 (3W–0L (3 departures))
16	Tony Cross	20	31 (10/32 climbs marked)	—
17	Tushar Pokle	2	6 (3/54 climbs marked)	—
18	Todd Wisewould	38	50 (11/22 climbs marked)	33 (1W–2L (3 departures))
19	Pete Bolton	18	50 (14/28 climbs marked)	—
20	Neil Hooke	22	47 (8/17 climbs marked)	0 (0W–1L (1 departure))
21	Dean Bayly	13	20 (3/15 climbs marked)	—
22	Michael Free	0	0 (0/10 climbs marked)	—
23	Mark Divito	4	0 (0/9 climbs marked)	—
24	Jason Carman	3	17 (1/6 climbs marked)	—
25	Steve Norman	8	33 (3/9 climbs marked)	—
26	Dave Moore	0	0 (0/7 climbs marked)	—
27	Andy Schmidt	34	17 (2/12 climbs marked)	—
28	Anthony Meechan	33	—	—

Time spent flying with a gaggle

Measured in percent · no expected direction

Whether the pilot raced with other pilots or alone. The value is the share of their flying time after the start inside a detected gaggle, that is, clustered with one other racing pilot or more on the shared time grid. There is no expected direction. A gaggle increases the power to search for lift, but it also holds a pilot to its own speed. The sign of the correlation says which of the two occurred here.

37 gaggle episodes detected (peak size 7 pilots).

best: clear pattern (0.66)

#	Pilot	StartDly	TimeLost	Behind	Spare m	FinalGl
1	Harrison Rowntree	276	0	0.0	1543	2.35 (left last climb 4.6 km out at 2225 m)
2	Hughbert Alexander	301	0	6.1	955	3.49 (left last climb 6.6 km out at 2181 m)
3	Rohan Holtkamp	53	236	12.6	895	6.23 (left last climb 14.2 km out at 2569 m)
4	Ollie Chitty	55	0	14.9	824	1.20 (left last climb 1.2 km out at 1316 m)
5	Adam Stevens	47	303	15.6	672	4.32 (left last climb 8.0 km out at 2152 m)
6	Steve Blenkinsop	98	610	30.0	1358	3.32 (left last climb 6.5 km out at 2235 m)
7	Sam Prest	442	271	30.1	900	4.81 (left last climb 9.1 km out at 2193 m)
8	Neale Halsall	97	1223	31.4	1340	3.29 (left last climb 7.2 km out at 2472 m)
9	Mitch Butler	71	822	33.1	971	2.58 (left last climb 4.4 km out at 2007 m)
10	Peter Adriaans	230	985	36.1	1072	3.78 (left last climb 7.3 km out at 2212 m)
11	James Wynd	455	733	38.0	1030	4.49 (left last climb 7.5 km out at 1969 m)
12	James Atkinson	103	1202	40.0	860	1.39 (left last climb 1.5 km out at 1350 m)
13	Randall Clotworthy	687	859	44.0	1545	3.43 (left last climb 7.9 km out at 2584 m)
14	Keith Lavers	509	1139	45.7	1717	1.45 (left last climb 3.3 km out at 2573 m)
15	Bruce Atkinson	102	1669	47.7	1153	4.21 (left last climb 7.3 km out at 2026 m)
16	Tony Cross	113	2240	53.6	692	7.70 (left last climb 16.7 km out at 2454 m)
17	Tushar Pokle	816	5050	—	—	37.39 (left last climb 19.9 km out at 822 m)
18	Todd Wisewould	95	1143	—	—	46.28 (left last climb 20.1 km out at 725 m)
19	Pete Bolton	1770	3019	—	—	29.47 (left last climb 24.2 km out at 1111 m)
20	Neil Hooke	1591	1736	—	—	88.57 (left last climb 26.8 km out at 594 m)
21	Dean Bayly	528	—	—	—	2.32 (left last climb 1.2 km out at 793 m)
22	Michael Free	76	—	—	—	81.18 (left last climb 21.4 km out at 554 m)
23	Mark Divito	765	—	—	—	19.28 (left last climb 17.1 km out at 1180 m)
24	Jason Carman	1703	—	—	—	4.27 (left last climb 9.2 km out at 2448 m)
25	Steve Norman	715	—	—	—	0.81 (left last climb 1.6 km out at 2240 m)
26	Dave Moore	599	—	—	—	0.61 (left last climb 0.9 km out at 1826 m)
27	Andy Schmidt	1245	—	—	—	0.79 (left last climb 0.8 km out at 1320 m)
28	Anthony Meechan	1146	—	—	—	—

How long after the gate opened the pilot started

Measured in seconds · lower is better

Every second between the opening of the gate and the crossing of the start line is a second lost for nothing. The value is the seconds from the start gate taken to the scored SSS crossing. On an elapsed-time task, the pilot’s own crossing is the reference, so the delay is 0 by definition. The start table adds the crossing altitude, and the distance behind the leading pilot who had already started.

Start execution

Pilot	Delay	Alt m	Band %	Behind km
Harrison Rowntree	4:36	2190	76	12.4
Hughbert Alexander	5:01	2401	89	18.6
Rohan Holtkamp	0:53	2484	94	23.7
Ollie Chitty	0:55	2397	89	19.7
Adam Stevens	0:47	2483	94	23.6
Steve Blenkinsop	1:38	2459	93	20.2
Sam Prest	7:22	2337	85	21.5
Neale Halsall	1:37	2468	93	24.3
Mitch Butler	1:11	2510	96	19.8
Peter Adriaans	3:50	2462	93	26.2
James Wynd	7:35	2352	86	21.4
James Atkinson	1:43	944	-0	0.0
Randall Clotworthy	11:27	2356	86	27.1
Keith Lavers	8:29	2060	68	21.2
Bruce Atkinson	1:42	2580	100	24.4
Tony Cross	1:53	2506	96	20.4
Tushar Pokle	13:36	2140	73	23.2
Todd Wisewould	1:35	2533	97	24.4
Pete Bolton	29:30	2131	73	10.7
Neil Hooke	26:31	2335	85	10.4
Dean Bayly	8:48	1996	64	22.2
Michael Free	1:16	2118	72	17.6
Mark Divito	12:45	2499	95	22.1
Jason Carman	28:23	1857	56	11.3
Steve Norman	11:55	2152	74	20.9
Dave Moore	9:59	2222	78	20.0
Andy Schmidt	20:45	2120	72	6.2
Anthony Meechan	19:06	984	2	26.2

Delay = gate taken → SSS crossing. Behind km = extra distance to the next turnpoint vs the furthest-along already-started pilot at the moment of this start (time grid).

Race time lost against the fastest pilots, leg by leg

Measured in seconds · lower is better

For each completed speed-section leg, we compare the leg time of the pilot with the mean of the top 10 pilots by rank who completed that leg. Only the losses count, and we add them together. The sum of the leg times is the race time, and the rank defines the reference, so this metric follows the result by construction. Read the waterfall table, which shows every leg against the task winner, for the diagnosis. Do not read the correlation as a finding.

Hughbert Alexander, over 2 compared legs: +5:40 overall. — marks a leg the pilot or the winner did not complete; the table below has every pilot.

Leg waterfall — leg time vs the task winner

Pilot	SSS→WALWA	WALWA→ESS	Total
Harrison Rowntree	+0:00	+0:00	+0:00
Hughbert Alexander	+4:33	+1:07	+5:40
Rohan Holtkamp	+6:13	+10:05	+16:18
Ollie Chitty	+15:48	+2:49	+18:38
Adam Stevens	+8:14	+11:13	+19:27
Steve Blenkinsop	+20:19	+12:40	+32:59
Sam Prest	+16:49	+10:31	+27:20
Neale Halsall	+37:03	-2:40	+34:23
Mitch Butler	+24:33	+11:58	+36:31
Peter Adriaans	+33:05	+3:49	+36:54
James Wynd	+22:34	+12:28	+35:02
James Atkinson	+32:08	+10:43	+42:51
Randall Clotworthy	+26:38	+10:30	+37:08
Keith Lavers	+30:08	+11:39	+41:48
Bruce Atkinson	+26:24	+24:13	+50:38
Tony Cross	+54:00	+2:21	+56:21
Tushar Pokle	+100:49	—	+100:49
Todd Wisewould	+35:42	—	+35:42
Pete Bolton	+66:58	—	+66:58
Neil Hooke	+45:36	—	+45:36

Each cell is the leg time of this pilot minus the leg time of the winner. A + value is slower than the winner, and a − value is faster. A — means that the pilot or the winner did not complete the leg.

The scalar metric instead adds the losses against the mean of the top 10 pilots who completed each leg. A leg flown faster than that reference contributes 0.

Race time behind the leader at ESS

Measured in minutes · lower is better

At each speed-section turnpoint, we compare the elapsed race time of the pilot, which is the reaching time minus their own start, with the fastest pilot to that turnpoint. The value is the minutes behind at ESS. It follows the final rank almost exactly, because this metric is the sanity check of the evaluation.

A line that stops early is a pilot who landed. The top 5 are coloured; the table below has every pilot.

Horserace — minutes behind the leader at each turnpoint

Pilot	ELLIOT	WALWA	CORRY	CORRY
Harrison Rowntree	3.8	0.0	0.0	0.0
Hughbert Alexander	4.2	5.0	6.1	6.1
Rohan Holtkamp	0.1	2.5	12.6	12.6
Ollie Chitty	0.1	12.1	14.9	14.9
Adam Stevens	0.0	4.4	15.6	15.6
Steve Blenkinsop	0.9	17.3	30.0	30.0
Sam Prest	6.6	19.6	30.1	30.1
Neale Halsall	0.8	34.1	31.4	31.4
Mitch Butler	0.4	21.1	33.1	33.1
Peter Adriaans	3.0	32.3	36.1	36.1
James Wynd	6.8	25.6	38.0	38.0
James Atkinson	0.9	29.3	40.0	40.0
Randall Clotworthy	10.7	33.5	44.0	44.0
Keith Lavers	7.7	34.0	45.7	45.7
Bruce Atkinson	0.9	23.5	47.7	47.7
Tony Cross	1.1	51.3	53.6	53.6
Tushar Pokle	12.8	109.8	—	—
Todd Wisewould	0.8	32.7	—	—
Pete Bolton	28.7	91.9	—	—
Neil Hooke	25.7	67.5	—	—
Dean Bayly	8.0	—	—	—
Michael Free	0.5	—	—	—
Mark Divito	12.0	—	—	—
Jason Carman	27.6	—	—	—
Steve Norman	11.1	—	—	—
Dave Moore	9.2	—	—	—
Andy Schmidt	20.0	—	—	—
Anthony Meechan	18.3	—	—	—

The elapsed race time, from the pilot’s own start, minus the fastest elapsed time to that turnpoint. A — means that the pilot did not reach the turnpoint.

Arriving at ESS with height to spare

Measured in metres · lower is better

Height still available at ESS that the pilot no longer needed. That altitude was available for more speed, and the pilot did not use it. The value is the altitude at ESS minus the altitude needed to glide to goal at the standard glide ratio of the sport, which is 5.0 for HG and 4.0 for PG (S7F §13.4.6). A large positive margin means the pilot arrived too high. A margin near zero means they flew the final glide with little height to spare.

ESS altitude margin over final glide: top-10 median 963 m (n=10) vs rest median 1092 m (n=6).

Metric details

Day profile & windbest: could be chance (0.04)

Climbingbest: clear pattern (0.67)

Share of lift turned in that was kept as a climb

Acceptance by hour

How round and consistent the circles were

Glidingbest: clear pattern (0.81)

Glide speed between climbs

Decision-makingbest: some pattern (0.49)

Gagglebest: could be chance (0.51)

Race craftbest: clear pattern (0.66)

best: could be chance (0.04)

best: clear pattern (0.67)

best: clear pattern (0.81)

best: some pattern (0.49)

best: could be chance (0.51)

best: clear pattern (0.66)