Progress against the field
Between Amsterdam 2024 and Birmingham 2026, Christopher Hall lost 18:25 to the field.
Over the same races everyone got 15:28 quicker, so 2:57 slower on the clock looks better than it was.
221 days between London Olympia 2026 and Birmingham 2026 is the longest gap compared here, and the second race was 8:10 behind 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 · 12 events
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Birmingham31 Oct 2026Individual Open · Men1:34:11978/1442Beat 32%
↑ 221 days after London Olympia 2026 8:10 worse than the field Why ↓Close ↑
6:41 slower on the clock in a race that was 1:29 faster for everyone: 8:10 lost to the field.
The fieldCompare these two →1:29 faster This athlete6:41 slower -
London Olympia24 Mar 2026Individual Open · Men1:27:30 PB413/716Beat 42%
↑ 13 days after Glasgow 2026 4:18 better than the field Why ↓Close ↑
4:18 better than the field: 6:32 faster on the clock, against 2:14 faster for everyone.
The fieldCompare these two →2:14 faster This athlete6:32 faster -
Glasgow11 Mar 2026Individual Open · Men1:34:021038/1452Beat 29%
↑ 49 days after Manchester 2026 7:12 worse than the field Why ↓Close ↑
7:12 behind the field: 4:47 slower on the clock, against 2:25 faster for everyone.
The fieldCompare these two →2:25 faster This athlete4:47 slower -
Manchester21 Jan 2026Individual Open · Men1:29:15937/1463Beat 36%
↑ 48 days after London Excel 2025 0:23 worse than the field Why ↓Close ↑
0:23 behind the field: 1:30 slower on the clock, against 1:07 slower for everyone.
The fieldCompare these two →1:07 slower This athlete1:30 slower -
London Excel4 Dec 2025Individual Open · Men1:27:451706/2771Beat 38%
↑ 43 days after Birmingham 2025 2:11 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:51 faster on the clock looks better than it was: the race was 3:02 faster for everyone, which leaves this 2:11 behind the field.
The fieldCompare these two →3:02 faster This athlete0:51 faster -
Birmingham22 Oct 2025Individual Open · Men1:28:361087/1821Beat 40%
↑ 145 days after Cardiff 2025 0:48 better than the field Why ↓Close ↑
3:24 faster on the clock, and the race was 2:36 faster for everyone, so 0:48 of it was this athlete.
The fieldCompare these two →2:36 faster This athlete3:24 faster -
Cardiff30 May 2025Individual Open · Men1:32:001041/1401Beat 26%
↑ 27 days after London 2025 2:48 worse than the field Why ↓Close ↑
3:48 slower on the clock in a race that was 1:00 slower for everyone: 2:48 lost to the field.
The fieldCompare these two →1:00 slower This athlete3:48 slower -
London3 May 2025Individual Open · Men1:28:121268/1917Beat 34%
↑ 155 days after London 2024 4:35 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:54 faster on the clock looks better than it was: the race was 5:29 faster for everyone, which leaves this 4:35 behind the field.
The fieldCompare these two →5:29 faster This athlete0:54 faster -
Glasgow12 Mar 2025Doubles Open · Men1:27:20957/1105Beat 13%
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Katowice22 Feb 2025Doubles Open · Men1:24:56 PB202/256Beat 21%
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London29 Nov 2024Doubles Open · Mixed1:14:18 PB138/521Beat 74%
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London29 Nov 2024Individual Open · Men1:29:06964/1637Beat 41%
↑ 50 days after Amsterdam 2024 1:48 better than the field Why ↓Close ↑
2:08 faster on the clock, and the race was 0:20 faster for everyone, so 1:48 of it was this athlete.
The fieldCompare these two →0:20 faster This athlete2:08 faster -
Amsterdam10 Oct 2024Individual Open · Men1:31:14983/1539Beat 36%