Progress against the field
From Belgium 2025 to Maastricht 2026, the field gained 15:07 on Michel Koorn.
The clock says 4:58 slower, but the races themselves got 10:09 quicker for everyone.
The longest gap between two races compared here, 241 days between Amsterdam 2026 and Maastricht 2026, still ended 5:41 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.
Every race
7 races · 7 events
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Maastricht19 Sep 2026Individual Open · Men1:46:28973/1119Beat 13%
↑ 241 days after Amsterdam 2026 5:41 better than the field Why ↓Close ↑
5:41 better than the field: 6:21 faster on the clock, against 0:40 faster for everyone.
The fieldCompare these two →0:40 faster This athlete6:21 faster -
Mechelen26 Mar 2026Doubles Open · Men1:17:08 PB256/402Beat 36%
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Amsterdam21 Jan 2026Individual Open · Men1:52:491532/1620Beat 5%
↑ 54 days after Utrecht 2025 11:01 worse than the field Why ↓Close ↑
5:54 slower on the clock in a race that was 5:07 faster for everyone: 11:01 lost to the field.
The fieldCompare these two →5:07 faster This athlete5:54 slower -
Utrecht28 Nov 2025Individual Open · Men1:46:55496/575Beat 14%
↑ 70 days after Maastricht 2025 6:33 worse than the field Why ↓Close ↑
6:33 behind the field: 2:57 slower on the clock, against 3:36 faster for everyone.
The fieldCompare these two →3:36 faster This athlete2:57 slower -
Maastricht19 Sep 2025Individual Open · Men1:43:581069/1352Beat 21%
↑ 133 days after Heerenveen 2025 0:01 worse than the field Why ↓Close ↑
1:43 slower on the clock, and the race was 1:42 slower for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →1:42 slower This athlete1:43 slower -
Heerenveen9 May 2025Individual Open · Men1:42:151055/1217Beat 13%
↑ 34 days after Belgium 2025 3:13 worse than the field Why ↓Close ↑
0:45 slower on the clock in a race that was 2:28 faster for everyone: 3:13 lost to the field.
The fieldCompare these two →2:28 faster This athlete0:45 slower -
Belgium5 Apr 2025Individual Open · Men1:41:30 PB1349/1638Beat 18%