Progress against the field
Between Birmingham 2025 and Dublin 2025, Stephanie Jaczniakowska-McGirr pulled 1:52 ahead of the field.
The clock says 6:18 faster, but the races themselves got 4:26 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
8 races · 8 events
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Malaga16 Apr 2026Doubles Open · Women1:14:12 PB48/276Beat 83%
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Manchester21 Jan 2026Doubles Open · Women1:22:44461/1155Beat 60%
↑ 263 days after London 2025, with Paige Fordham 0:48 better than the field Why ↓Close ↑
0:19 faster on the clock in a race that was 0:29 slower for everyone: 0:48 better than the field.
The fieldCompare these two →0:29 slower This pair0:19 faster -
Dublin12 Nov 2025Individual Open · Women1:29:39 PB290/539Beat 46%
↑ 21 days after Birmingham 2025 1:52 better than the field Why ↓Close ↑
6:18 faster on the clock, and the race was 4:26 faster for everyone, so 1:52 of it was this athlete.
The fieldCompare these two →4:26 faster This athlete6:18 faster -
Birmingham22 Oct 2025Individual Open · Women1:35:57413/748Beat 45%
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Gdansk12 Oct 2025Doubles Open · Mixed1:19:15 PB174/328Beat 47%
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London3 May 2025Doubles Open · Women1:23:03527/1118Beat 53%
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Malaga21 Mar 2025Doubles Open · Mixed1:31:55259/309Beat 16%
↑ 112 days after London 2024, with Ellis Fordham 0:42 better than the field Why ↓Close ↑
0:42 better than the field: 5:16 faster on the clock, against 4:34 faster for everyone.
The fieldCompare these two →4:34 faster This pair5:16 faster -
London29 Nov 2024Doubles Open · Mixed1:37:11465/521Beat 11%