Progress against the field
Between Manchester 2024 and Birmingham 2026, Ken Chung pulled 9:31 ahead of the field.
Over the same races everyone got 10:21 quicker, so 19:52 faster on the clock looks better than it was.
The longest gap between two races compared here, 221 days between London Olympia 2026 and Birmingham 2026, cost 1:19 on 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
8 races · 8 events
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Birmingham31 Oct 2026Individual Open · Men1:47:06 PB1189/1442Beat 18%
↑ 221 days after London Olympia 2026 1:19 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:10 faster on the clock looks better than it was: the race was 1:29 faster for everyone, which leaves this 1:19 behind the field.
The fieldCompare these two →1:29 faster This athlete0:10 faster -
Cardiff29 Apr 2026Doubles Open · Mixed1:38:05 PB734/848Beat 13%
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London Olympia24 Mar 2026Individual Open · Men1:47:16777/897Beat 13%
↑ 110 days after London Excel 2025 10:17 better than the field Why ↓Close ↑
10:17 better than the field: 12:11 faster on the clock, against 1:54 faster for everyone.
The fieldCompare these two →1:54 faster This athlete12:11 faster -
Manchester21 Jan 2026Doubles Open · Men1:23:44 PB654/794Beat 18%
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London Excel4 Dec 2025Individual Open · Men1:59:272691/2779Beat 3%
↑ 188 days after Cardiff 2025 3:46 better than the field Why ↓Close ↑
3:46 better than the field: 7:48 faster on the clock, against 4:02 faster for everyone.
The fieldCompare these two →4:02 faster This athlete7:48 faster -
Cardiff30 May 2025Individual Open · Men2:07:151370/1401Beat 2%
↑ 202 days after Manchester 2024 3:13 worse than the field Why ↓Close ↑
0:17 slower on the clock in a race that was 2:56 faster for everyone: 3:13 lost to the field.
The fieldCompare these two →2:56 faster This athlete0:17 slower -
Manchester9 Nov 2024Individual Open · Men2:06:581184/1206Beat 2%
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Milan19 Oct 2024Individual Open · Men2:27:491361/1370Beat 1%