Progress against the field
Diederik Verhoef has dropped 10:12 behind the field from Rotterdam 2024 to Utrecht 2025.
Over the same races everyone got 5:14 quicker, so 4:58 slower on the clock looks better than it was.
The longest gap between two races compared here, 274 days between Rotterdam 2025 and Utrecht 2025, cost 5:02 on 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 Pro · Men, the one raced most; every comparison is in the list below.
Every race
15 races · 13 events
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Stockholm18 Jun 2026Doubles Pro · Men59:14324/704Beat 54%
↑ 84 days after Mechelen 2026, with Donny Lodder 0:29 worse than the field Why ↓Close ↑
0:29 behind the field: 2:01 slower on the clock, against 1:32 slower for everyone.
The fieldCompare these two →1:32 slower This pair2:01 slower -
Mechelen26 Mar 2026Doubles Pro · Men57:13 PB69/493Beat 86%
↑ 64 days after Amsterdam 2026, with Donny Lodder 0:55 better than the field Why ↓Close ↑
1:38 faster on the clock, and the race was 0:43 faster for everyone, so 0:55 of it was this pair.
The fieldCompare these two →0:43 faster This pair1:38 faster -
Amsterdam21 Jan 2026Doubles Open · Mixed1:12:16 PB296/1206Beat 76%
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Amsterdam21 Jan 2026Doubles Pro · Men58:518/94Beat 92%
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Utrecht28 Nov 2025Individual Pro · Men1:13:0223/102Beat 78%
↑ 274 days after Rotterdam 2025 5:02 worse than the field Why ↓Close ↑
4:35 slower on the clock in a race that was 0:27 faster for everyone: 5:02 lost to the field.
The fieldCompare these two →0:27 faster This athlete4:35 slower -
Heerenveen9 May 2025Individual Open · Men1:03:11 PB4/325Beat 99%
↑ 552 days after Amsterdam 2023 2:05 worse than the field Faster on the clock, behind the field Why ↓Close ↑
4:41 faster on the clock, yet the race was 6:46 faster for everyone, so 2:05 was lost on the field.
The fieldCompare these two →6:46 faster This athlete4:41 faster -
Belgium5 Apr 2025Doubles Open · Men56:30 PB14/898Beat 98%
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Rotterdam27 Feb 2025Individual Pro · Men1:08:2712/99Beat 88%
↑ 140 days after Amsterdam 2024 0:08 better than the field Why ↓Close ↑
Moved with the field: 2:05 faster on the clock, against 1:57 faster for everyone.
The fieldCompare these two →1:57 faster This athlete2:05 faster -
Amsterdam10 Oct 2024Individual Pro · Men1:10:3222/177Beat 88%
↑ 187 days after Rotterdam 2024 5:18 worse than the field Why ↓Close ↑
5:18 behind the field: 2:28 slower on the clock, against 2:50 faster for everyone.
The fieldCompare these two →2:50 faster This athlete2:28 slower -
Rotterdam6 Apr 2024Individual Pro · Men1:08:046/149Beat 96%
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Maastricht20 Jan 2024Doubles Open · Men57:389/288Beat 97%
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Amsterdam4 Nov 2023Individual Open · Men1:07:5233/1079Beat 97%
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World Championships NiceDate unknownDoubles Pro · Men1:02:38211/387Beat 46%
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World Championships NiceDate unknownIndividual Pro · Men1:07:52 PB183/830Beat 78%
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World Championships ManchesterDate unknownDoubles Open · Men1:02:59124/250Beat 50%