Progress against the field
Between Rotterdam 2023 and Rotterdam 2025, Wilton Kam lost 10:52 to the field.
Over the same races everyone got 11:46 quicker, so 0:54 faster on the clock looks better than it was.
322 days between Rotterdam 2023 and Rotterdam 2024 is the longest gap compared here, and the second race was 4:50 better than 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
10 races · 10 events
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Mechelen26 Mar 2026Doubles Pro · Men1:12:34 PB384/493Beat 22%
↑ 188 days after Maastricht 2025, with Maurits Boer 0:52 better than the field Why ↓Close ↑
5:30 faster on the clock, and the race was 4:38 faster for everyone, so 0:52 of it was this pair.
The fieldCompare these two →4:38 faster This pair5:30 faster -
Amsterdam21 Jan 2026Doubles Pro · Men1:15:1270/94Beat 26%
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Gent12 Dec 2025Individual Pro · Men1:38:42 PB268/305Beat 12%
↑ 14 days after Utrecht 2025 6:27 better than the field Why ↓Close ↑
9:32 faster on the clock, and the race was 3:05 faster for everyone, so 6:27 of it was this athlete.
The fieldCompare these two →3:05 faster This athlete9:32 faster -
Utrecht28 Nov 2025Individual Pro · Men1:48:14203/215Beat 6%
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Maastricht19 Sep 2025Doubles Pro · Men1:18:0491/131Beat 31%
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Belgium5 Apr 2025Doubles Open · Men1:11:43 PB356/898Beat 60%
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Rotterdam27 Feb 2025Individual Open · Men1:47:44536/600Beat 11%
↑ 140 days after Amsterdam 2024 14:57 worse than the field Why ↓Close ↑
14:57 behind the field: 13:01 slower on the clock, against 1:56 faster for everyone.
The fieldCompare these two →1:56 faster This athlete13:01 slower -
Amsterdam10 Oct 2024Individual Open · Men1:34:43 PB1107/1539Beat 28%
↑ 187 days after Rotterdam 2024 0:45 worse than the field Faster on the clock, behind the field Why ↓Close ↑
6:02 faster on the clock, yet the race was 6:47 faster for everyone, so 0:45 was lost on the field.
The fieldCompare these two →6:47 faster This athlete6:02 faster -
Rotterdam6 Apr 2024Individual Open · Men1:40:451026/1380Beat 26%
↑ 322 days after Rotterdam 2023 4:50 better than the field Why ↓Close ↑
7:53 faster on the clock, and the race was 3:03 faster for everyone, so 4:50 of it was this athlete.
The fieldCompare these two →3:03 faster This athlete7:53 faster -
Rotterdam20 May 2023Individual Open · Men1:48:38499/575Beat 13%