Progress against the field
Zackary Rowcroft has gained 2:39 on the field from Birmingham 2022 to Birmingham 2023.
Over the same races everyone got 4:24 quicker, so 7:03 faster on the clock looks better than it was.
The longest gap between two races compared here, 252 days between Glasgow 2023 and Birmingham 2023, cost 3:52 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
4 races · 4 events
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Birmingham21 Oct 2023Individual Open · Men1:13:17130/1182Beat 89%
↑ 252 days after Glasgow 2023 3:52 worse than the field Why ↓Close ↑
3:52 behind the field: 5:38 slower on the clock, against 1:46 slower for everyone.
The fieldCompare these two →1:46 slower This athlete5:38 slower -
Glasgow11 Feb 2023Individual Open · Men1:07:39 PB71/974Beat 93%
↑ 14 days after Manchester 2023 1:55 better than the field Why ↓Close ↑
1:55 better than the field: 7:47 faster on the clock, against 5:52 faster for everyone.
The fieldCompare these two →5:52 faster This athlete7:47 faster -
Manchester28 Jan 2023Individual Open · Men1:15:2687/649Beat 87%
↑ 105 days after Birmingham 2022 4:36 better than the field Why ↓Close ↑
4:36 better than the field: 4:54 faster on the clock, against 0:18 faster for everyone.
The fieldCompare these two →0:18 faster This athlete4:54 faster -
Birmingham15 Oct 2022Individual Open · Men1:20:20295/960Beat 69%