Progress against the field
From Rotterdam 2024 to Gent 2025, Rik Biesterbos got 2:38 faster than the field.
Over the same races everyone got 13:56 quicker, so 16:34 faster on the clock looks better than it was.
The longest gap between two races compared here, 187 days between Rotterdam 2024 and Amsterdam 2024, still ended 3:11 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
11 races · 10 events
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Heerenveen14 May 2026Relay · Men53:272/55Beat 96%
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Heerenveen14 May 2026Individual Pro · Men1:10:50 PB113/454Beat 75%
↑ 441 days after Rotterdam 2025 0:05 better than the field Why ↓Close ↑
Moved with the field: 6:13 faster on the clock, against 6:08 faster for everyone.
The fieldCompare these two →6:08 faster This athlete6:13 faster -
Rotterdam15 Apr 2026Doubles Open · Mixed1:06:34 PB65/1047Beat 94%
↑ 341 days after Heerenveen 2025, with Anouk Van Omme 6:32 better than the field Why ↓Close ↑
9:11 faster on the clock, and the race was 2:39 faster for everyone, so 6:32 of it was this pair.
The fieldCompare these two →2:39 faster This pair9:11 faster -
Gent12 Dec 2025Individual Open · Men1:06:10 PB68/1428Beat 95%
↑ 84 days after Maastricht 2025 0:44 worse than the field Faster on the clock, behind the field Why ↓Close ↑
4:51 faster on the clock, yet the race was 5:35 faster for everyone, so 0:44 was lost on the field.
The fieldCompare these two →5:35 faster This athlete4:51 faster -
Utrecht28 Nov 2025Doubles Open · Men58:02 PB12/879Beat 99%
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Maastricht19 Sep 2025Individual Open · Men1:11:0192/1352Beat 93%
↑ 162 days after Cologne 2025 1:15 better than the field Why ↓Close ↑
The race was 0:38 slower for everyone and the clock still says 0:37 faster: 1:15 gained on the field.
The fieldCompare these two →0:38 slower This athlete0:37 faster -
Heerenveen9 May 2025Doubles Open · Mixed1:15:4576/250Beat 70%
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Cologne10 Apr 2025Individual Open · Men1:11:38158/1182Beat 87%
↑ 182 days after Amsterdam 2024 1:04 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:08 faster on the clock, yet the race was 2:12 faster for everyone, so 1:04 was lost on the field.
The fieldCompare these two →2:12 faster This athlete1:08 faster -
Rotterdam27 Feb 2025Individual Pro · Men1:17:0338/196Beat 81%
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Amsterdam10 Oct 2024Individual Open · Men1:12:46219/1539Beat 86%
↑ 187 days after Rotterdam 2024 3:11 better than the field Why ↓Close ↑
3:11 better than the field: 9:58 faster on the clock, against 6:47 faster for everyone.
The fieldCompare these two →6:47 faster This athlete9:58 faster -
Rotterdam6 Apr 2024Individual Open · Men1:22:44330/1380Beat 76%