Progress against the field
Between Amsterdam 2026 and Maastricht 2026, Jim Wolters pulled 2:32 ahead of the field.
The clock says 4:46 faster, but the races themselves got 2:14 quicker for everyone.
The largest gain on the field came from Rotterdam 2026 → Maastricht 2026: 3:51 in 157 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.
Every race
4 races · 4 events
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Maastricht19 Sep 2026Individual Open · Men1:09:38 PB112/1119Beat 90%
↑ 157 days after Rotterdam 2026 3:51 better than the field Why ↓Close ↑
3:51 better than the field: 3:57 faster on the clock, against 0:06 faster for everyone.
The fieldCompare these two →0:06 faster This athlete3:57 faster -
Heerenveen14 May 2026Doubles Pro · Men1:00:42 PB60/315Beat 81%
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Rotterdam15 Apr 2026Individual Open · Men1:13:3585/570Beat 85%
↑ 84 days after Amsterdam 2026 1:19 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:49 faster on the clock looks better than it was: the race was 2:08 faster for everyone, which leaves this 1:19 behind the field.
The fieldCompare these two →2:08 faster This athlete0:49 faster -
Amsterdam21 Jan 2026Individual Open · Men1:14:24102/570Beat 82%