Progress against the field
Robert Tyson has dropped 3:42 behind the field from Birmingham 2022 to Birmingham 2025.
Over the same races everyone got 8:03 quicker, so 4:21 faster on the clock looks better than it was.
The longest gap between two races compared here, 756 days between Birmingham 2022 and Manchester 2024, cost 2:05 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
3 races · 3 events
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Birmingham22 Oct 2025Individual Open · Men1:12:54 PB269/1600Beat 83%
↑ 347 days after Manchester 2024 1:37 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:49 faster on the clock looks better than it was: the race was 3:26 faster for everyone, which leaves this 1:37 behind the field.
The fieldCompare these two →3:26 faster This athlete1:49 faster -
Manchester9 Nov 2024Individual Open · Men1:14:43364/1206Beat 70%
↑ 756 days after Birmingham 2022 2:05 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:32 faster on the clock looks better than it was: the race was 4:37 faster for everyone, which leaves this 2:05 behind the field.
The fieldCompare these two →4:37 faster This athlete2:32 faster -
Birmingham15 Oct 2022Individual Open · Men1:17:15213/960Beat 78%