Progress against the field
Keren Zhang has gained 1:43 on the field from Rotterdam 2025 to Maastricht 2025.
Over the same races everyone got 2:02 quicker, so 3:45 faster on the clock looks better than it was.
The biggest step was Rotterdam 2025 → Belgium 2025: 4:07 on the field in 37 days.
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
6 races · 6 events
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Karlsruhe1 Oct 2026Doubles Open · Mixed1:08:5462/586Beat 89%
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Amsterdam21 Jan 2026Doubles Open · Mixed1:05:56 PB116/1206Beat 90%
↑ 40 days after Gent 2025, with Daan Van Beek 0:04 better than the field Why ↓Close ↑
Moved with the field: 1:45 faster on the clock, against 1:41 faster for everyone.
The fieldCompare these two →1:41 faster This pair1:45 faster -
Gent12 Dec 2025Doubles Open · Mixed1:07:41103/863Beat 88%
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Maastricht19 Sep 2025Individual Open · Women1:23:29123/590Beat 79%
↑ 167 days after Belgium 2025 2:24 worse than the field Why ↓Close ↑
2:24 behind the field: 2:00 slower on the clock, against 0:24 faster for everyone.
The fieldCompare these two →0:24 faster This athlete2:00 slower -
Belgium5 Apr 2025Individual Open · Women1:21:29 PB123/765Beat 84%
↑ 37 days after Rotterdam 2025 4:07 better than the field Why ↓Close ↑
4:07 better than the field: 5:45 faster on the clock, against 1:38 faster for everyone.
The fieldCompare these two →1:38 faster This athlete5:45 faster -
Rotterdam27 Feb 2025Individual Open · Women1:27:14143/506Beat 72%