Progress against the field
Between Brisbane 2025 and Perth 2026, Jason Hallie lost 10:15 to the field.
Over the same races everyone got 5:41 quicker, so 4:34 slower on the clock looks better than it was.
The longest gap between two races compared here, 188 days between Brisbane 2025 and Perth 2025, still ended 2:59 ahead of the field.
How this is worked out ⓘ
A finish time moves for two reasons: the athlete, and the race — its course, its floor, its day. For each pair of races in a row in one category, we take everyone who raced both and use the middle of how much they moved (the median) as "the race". Whatever is left is the athlete. Doubles are compared only when the same two people raced both, and told as the pair's; relays are left out. A pair with fewer than 15 athletes in common is not shown.
Every race
13 races · 10 events
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Perth21 Aug 2026Individual Pro · Men1:27:59231/292Beat 21%
↑ 51 days after Sydney 2026 9:17 worse than the field Why ↓Close ↑
10:01 slower on the clock in a race that was 0:44 slower for everyone: 9:17 lost to the field.
The fieldCompare these two →0:44 slower This athlete10:01 slower -
Sydney1 Jul 2026Doubles Open · Mixed1:07:12121/918Beat 87%
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Sydney1 Jul 2026Individual Pro · Men1:17:58341/556Beat 39%
↑ 153 days after Auckland 2026 5:36 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:45 faster on the clock looks better than it was: the race was 8:21 faster for everyone, which leaves this 5:36 behind the field.
The fieldCompare these two →8:21 faster This athlete2:45 faster -
Singapore3 Apr 2026Doubles Open · Mixed1:07:1024/285Beat 92%
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Auckland29 Jan 2026Individual Pro · Men1:20:4397/251Beat 61%
↑ 146 days after Perth 2025 1:39 better than the field Slower on the clock, ahead of the field Why ↓Close ↑
0:52 slower on the clock, but the race was 2:31 slower for everyone, so this was 1:39 better than the field.
The fieldCompare these two →2:31 slower This athlete0:52 slower -
Perth5 Sep 2025Individual Pro · Men1:19:5166/137Beat 52%
↑ 188 days after Brisbane 2025 2:59 better than the field Why ↓Close ↑
3:34 faster on the clock, and the race was 0:35 faster for everyone, so 2:59 of it was this athlete.
The fieldCompare these two →0:35 faster This athlete3:34 faster -
Sydney4 Jul 2025Relay · Men1:02:1820/159Beat 87%
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Sydney4 Jul 2025Doubles Open · Mixed1:10:45183/1233Beat 85%
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Brisbane1 Mar 2025Individual Pro · Men1:23:25176/265Beat 34%
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Sydney27 Jul 2024Individual Open · Men1:25:55 PB417/696Beat 40%
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MelbourneDate unknownDoubles Open · Mixed1:03:40 PB83/769Beat 89%
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MelbourneDate unknownIndividual Pro · Men1:13:27 PB240/740Beat 68%
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MelbourneDate unknownIndividual Pro · Men1:26:21145/221Beat 34%