Progress against the field
Kristof Corthals has dropped 2:28 behind the field from Utrecht 2025 to Mechelen 2026.
The clock says 5:03 faster, but the races themselves got 7:31 quicker for everyone.
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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Maastricht19 Sep 2026Doubles Pro · Men59:56 PB53/316Beat 83%
↑ 93 days after Stockholm 2026, with Jan Simons 0:00 better than the field Why ↓Close ↑
Moved with the field: 1:26 faster on the clock, against 1:26 faster for everyone.
The fieldCompare these two →1:26 faster This pair1:26 faster -
Stockholm18 Jun 2026Doubles Pro · Men1:01:22428/704Beat 39%
↑ 84 days after Mechelen 2026, with Jan Simons 0:28 better than the field Slower on the clock, ahead of the field Why ↓Close ↑
1:04 slower on the clock, but the race was 1:32 slower for everyone, so this was 0:28 better than the field.
The fieldCompare these two →1:32 slower This pair1:04 slower -
Lisboa1 May 2026Individual Open · Men1:07:2057/887Beat 94%
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Mechelen26 Mar 2026Doubles Pro · Men1:00:18135/493Beat 73%
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Mechelen26 Mar 2026Individual Open · Men1:01:39 PB19/747Beat 98%
↑ 64 days after Amsterdam 2026 1:59 better than the field Why ↓Close ↑
4:23 faster on the clock, and the race was 2:24 faster for everyone, so 1:59 of it was this athlete.
The fieldCompare these two →2:24 faster This athlete4:23 faster -
EMEA London Olympia24 Mar 2026Doubles Open · Men57:09 PB90/455Beat 80%
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Amsterdam21 Jan 2026Individual Open · Men1:06:0285/1620Beat 95%
↑ 54 days after Utrecht 2025 4:27 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:40 faster on the clock, yet the race was 5:07 faster for everyone, so 4:27 was lost on the field.
The fieldCompare these two →5:07 faster This athlete0:40 faster -
Utrecht28 Nov 2025Individual Open · Men1:06:4216/575Beat 97%
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Valencia17 Oct 2025Individual Open · Men1:10:17127/1018Beat 88%
↑ 28 days after Maastricht 2025 2:13 worse than the field Faster on the clock, behind the field Why ↓Close ↑
3:44 faster on the clock, yet the race was 5:57 faster for everyone, so 2:13 was lost on the field.
The fieldCompare these two →5:57 faster This athlete3:44 faster -
Maastricht19 Sep 2025Individual Open · Men1:14:01157/1352Beat 88%
↑ 133 days after Heerenveen 2025 1:04 worse than the field Why ↓Close ↑
1:04 behind the field: 2:46 slower on the clock, against 1:42 slower for everyone.
The fieldCompare these two →1:42 slower This athlete2:46 slower -
Heerenveen9 May 2025Individual Open · Men1:11:15148/1217Beat 88%