Progress against the field
Kerren Brazier has gained 1:53 on the field from Manchester 2026 to Cardiff 2026.
The clock says 5:24 faster, but the races themselves got 3:31 quicker for everyone.
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. The summary above covers Individual Open · Women, the one raced most; every comparison is in the list below.
Every race
4 races · 4 events
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Cardiff29 Apr 2026Individual Open · Women1:18:02 PB25/253Beat 90%
↑ 98 days after Manchester 2026 1:53 better than the field Why ↓Close ↑
5:24 faster on the clock, and the race was 3:31 faster for everyone, so 1:53 of it was this athlete.
The fieldCompare these two →3:31 faster This athlete5:24 faster -
Manchester21 Jan 2026Individual Open · Women1:23:26218/825Beat 74%
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Valencia17 Oct 2025Individual Open · Women1:22:3567/317Beat 79%
↑ 175 days after Barcelona 2025 4:31 worse than the field Why ↓Close ↑
4:31 behind the field: 2:56 slower on the clock, against 1:35 faster for everyone.
The fieldCompare these two →1:35 faster This athlete2:56 slower -
Barcelona25 Apr 2025Individual Open · Women1:19:3933/264Beat 88%