Progress against the field
Between London Excel 2025 and Cardiff 2026, Linette Zerk lost 0:48 to the field.
The clock says 0:21 faster, but the races themselves got 1:09 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
7 races · 6 events
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Birmingham31 Oct 2026Doubles Open · Women1:12:3164/627Beat 90%
↑ 185 days after Cardiff 2026, with Laura Stone 4:08 worse than the field Why ↓Close ↑
2:29 slower on the clock in a race that was 1:39 faster for everyone: 4:08 lost to the field.
The fieldCompare these two →1:39 faster This pair2:29 slower -
Karlsruhe1 Oct 2026Doubles Open · Women1:16:5829/369Beat 92%
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Cardiff29 Apr 2026Doubles Open · Women1:10:02 PB47/862Beat 95%
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Cardiff29 Apr 2026Individual Open · Women1:18:12 PB48/351Beat 86%
↑ 146 days after London Excel 2025 0:48 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:21 faster on the clock looks better than it was: the race was 1:09 faster for everyone, which leaves this 0:48 behind the field.
The fieldCompare these two →1:09 faster This athlete0:21 faster -
Toulouse19 Mar 2026Doubles Open · Women1:11:2412/292Beat 96%
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London Excel4 Dec 2025Individual Open · Women1:18:33198/1379Beat 86%
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Dublin12 Nov 2025Doubles Open · Women1:13:43117/719Beat 84%