Progress against the field
From Amsterdam 2024 to Heerenveen 2026, Niels de Boer got 3:16 faster than the field.
The clock says 12:31 faster, but the races themselves got 9:15 quicker for everyone.
The longest gap between two races compared here, 370 days between Heerenveen 2025 and Heerenveen 2026, still ended 11:26 ahead of the field.
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
8 races · 8 events
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Maastricht19 Sep 2026Doubles Open · Mixed1:10:46 PB39/237Beat 84%
↑ 177 days after Mechelen 2026, with Anissa Schoonbrood 1:41 better than the field Why ↓Close ↑
1:04 faster on the clock in a race that was 0:37 slower for everyone: 1:41 better than the field.
The fieldCompare these two →0:37 slower This pair1:04 faster -
Heerenveen14 May 2026Individual Open · Men1:18:15 PB108/315Beat 66%
↑ 370 days after Heerenveen 2025 11:26 better than the field Why ↓Close ↑
16:16 faster on the clock, and the race was 4:50 faster for everyone, so 11:26 of it was this athlete.
The fieldCompare these two →4:50 faster This athlete16:16 faster -
Mechelen26 Mar 2026Doubles Open · Mixed1:11:50113/424Beat 73%
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Utrecht28 Nov 2025Doubles Open · Men1:14:45 PB416/879Beat 53%
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Heerenveen9 May 2025Individual Open · Men1:34:31223/325Beat 31%
↑ 71 days after Rotterdam 2025 2:34 better than the field Why ↓Close ↑
5:03 faster on the clock, and the race was 2:29 faster for everyone, so 2:34 of it was this athlete.
The fieldCompare these two →2:29 faster This athlete5:03 faster -
Rotterdam27 Feb 2025Individual Open · Men1:39:341034/1283Beat 19%
↑ 140 days after Amsterdam 2024 10:44 worse than the field Why ↓Close ↑
8:48 slower on the clock in a race that was 1:56 faster for everyone: 10:44 lost to the field.
The fieldCompare these two →1:56 faster This athlete8:48 slower -
Paris9 Nov 2024Doubles Open · Men1:19:48591/865Beat 32%
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Amsterdam10 Oct 2024Individual Open · Men1:30:46965/1539Beat 37%