Progress against the field
Sandra Jaciubek has gained 3:58 on the field from Warsaw 2025 to Poznan 2025.
The clock says 4:30 faster, but the races themselves got 0:32 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
5 races · 5 events
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Gdansk10 Oct 2026Doubles Open · Mixed1:35:22 PB709/852Beat 17%
↑ 363 days after Gdansk 2025, with Marcin Jaciubek 0:01 better than the field Why ↓Close ↑
1:56 faster on the clock, and the race was 1:55 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →1:55 faster This pair1:56 faster -
Poznan13 Dec 2025Individual Open · Women1:46:53 PB510/657Beat 22%
↑ 245 days after Warsaw 2025 3:58 better than the field Why ↓Close ↑
4:30 faster on the clock, and the race was 0:32 faster for everyone, so 3:58 of it was this athlete.
The fieldCompare these two →0:32 faster This athlete4:30 faster -
Gdansk12 Oct 2025Doubles Open · Mixed1:37:18294/328Beat 10%
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Warsaw12 Apr 2025Individual Open · Women1:51:23285/317Beat 10%
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Warschau9 Sep 2023Individual Open · Women1:56:5359/67Beat 12%