Progress against the field
Suzanne Mercer has gained 2:32 on the field from Birmingham 2025 to Birmingham 2026.
The clock says 6:03 faster, but the races themselves got 3:31 quicker for everyone.
234 days between Glasgow 2026 and Birmingham 2026 is the longest gap compared here, and the second race was 4:21 better than 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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Birmingham31 Oct 2026Individual Open · Women1:34:44 PB492/887Beat 45%
↑ 234 days after Glasgow 2026 4:21 better than the field Why ↓Close ↑
5:47 faster on the clock, and the race was 1:26 faster for everyone, so 4:21 of it was this athlete.
The fieldCompare these two →1:26 faster This athlete5:47 faster -
Glasgow11 Mar 2026Individual Open · Women1:40:31202/318Beat 37%
↑ 140 days after Birmingham 2025 1:49 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:16 faster on the clock, yet the race was 2:05 faster for everyone, so 1:49 was lost on the field.
The fieldCompare these two →2:05 faster This athlete0:16 faster -
Birmingham22 Oct 2025Individual Open · Women1:40:47484/748Beat 35%