Progress against the field
Between Heerenveen 2025 and Heerenveen 2026, Jerome Van Donk lost 6:20 to the field.
The clock says 2:30 faster, but the races themselves got 8:50 quicker for everyone.
The largest gain on the field came from Maastricht 2025 → Amsterdam 2026: 2:14 in 124 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 · Men, the one raced most; every comparison is in the list below.
Every race
7 races · 6 events
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Heerenveen14 May 2026Individual Open · Men1:20:50 PB219/490Beat 55%
↑ 113 days after Amsterdam 2026 1:04 better than the field Why ↓Close ↑
1:04 better than the field: 3:37 faster on the clock, against 2:33 faster for everyone.
The fieldCompare these two →2:33 faster This athlete3:37 faster -
Rotterdam15 Apr 2026Doubles Open · Mixed1:14:39 PB108/560Beat 81%
↑ 84 days after Amsterdam 2026, with Esther Brand 2:26 better than the field Why ↓Close ↑
3:16 faster on the clock, and the race was 0:50 faster for everyone, so 2:26 of it was this pair.
The fieldCompare these two →0:50 faster This pair3:16 faster -
Amsterdam21 Jan 2026Doubles Open · Mixed1:17:55235/506Beat 54%
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Amsterdam21 Jan 2026Individual Open · Men1:24:27248/570Beat 57%
↑ 124 days after Maastricht 2025 2:14 better than the field Why ↓Close ↑
2:14 better than the field: 10:13 faster on the clock, against 7:59 faster for everyone.
The fieldCompare these two →7:59 faster This athlete10:13 faster -
Maastricht19 Sep 2025Individual Open · Men1:34:40835/1352Beat 38%
↑ 133 days after Heerenveen 2025 9:38 worse than the field Why ↓Close ↑
11:20 slower on the clock in a race that was 1:42 slower for everyone: 9:38 lost to the field.
The fieldCompare these two →1:42 slower This athlete11:20 slower -
Heerenveen9 May 2025Individual Open · Men1:23:20536/1217Beat 56%
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Amsterdam10 Oct 2024Doubles Open · Men1:13:52 PB362/855Beat 58%