Progress against the field
From Manchester 2026 to Birmingham 2026, the field gained 4:40 on Laura Tiernan.
Over the same races everyone got 4:41 quicker, so 0:01 faster on the clock looks better than it was.
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
8 races · 8 events
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Birmingham31 Oct 2026Individual Open · Women1:27:03 PB314/887Beat 65%
↑ 283 days after Manchester 2026 4:40 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:01 faster on the clock looks better than it was: the race was 4:41 faster for everyone, which leaves this 4:40 behind the field.
The fieldCompare these two →4:41 faster This athlete0:01 faster -
Cardiff29 Apr 2026Doubles Open · Women1:14:11 PB109/862Beat 87%
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Manchester21 Jan 2026Individual Open · Women1:27:04285/825Beat 66%
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Madrid27 Nov 2025Doubles Open · Mixed1:18:20322/870Beat 63%
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Copenhagen14 Mar 2025Doubles Open · Mixed1:16:41 PB382/742Beat 49%
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Birmingham25 Oct 2024Doubles Open · Women1:30:17669/973Beat 31%
↑ 237 days after Glasgow 2024, with Amy Sudan 1:59 better than the field Why ↓Close ↑
2:51 faster on the clock, and the race was 0:52 faster for everyone, so 1:59 of it was this pair.
The fieldCompare these two →0:52 faster This pair2:51 faster -
Glasgow2 Mar 2024Doubles Open · Women1:33:08687/1029Beat 33%
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Birmingham21 Oct 2023Relay · Women1:34:0441/53Beat 23%