Progress against the field
From Heerenveen 2025 to Rotterdam 2026, Siebe Van Ineveld has moved with the field: what changed on the clock changed for everyone.
Over the same races everyone got 6:15 quicker, so 6:12 faster on the clock looks better than it was.
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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Berlin22 May 2026Doubles Open · Mixed1:18:02 PB409/953Beat 57%
↑ 155 days after Stockholm 2025, with Peggy Vencken 1:15 better than the field Why ↓Close ↑
1:42 faster on the clock, and the race was 0:27 faster for everyone, so 1:15 of it was this pair.
The fieldCompare these two →0:27 faster This pair1:42 faster -
Paris GP23 Apr 2026Doubles Open · Men1:14:14156/277Beat 44%
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Rotterdam15 Apr 2026Individual Open · Men1:27:01 PB609/1192Beat 49%
↑ 84 days after Amsterdam 2026 0:40 better than the field Why ↓Close ↑
0:40 better than the field: 2:48 faster on the clock, against 2:08 faster for everyone.
The fieldCompare these two →2:08 faster This athlete2:48 faster -
Amsterdam21 Jan 2026Individual Open · Men1:29:491097/1620Beat 32%
↑ 257 days after Heerenveen 2025 0:43 worse than the field Faster on the clock, behind the field Why ↓Close ↑
3:24 faster on the clock looks better than it was: the race was 4:07 faster for everyone, which leaves this 0:43 behind the field.
The fieldCompare these two →4:07 faster This athlete3:24 faster -
Stockholm18 Dec 2025Doubles Open · Mixed1:19:44528/1002Beat 47%
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Maastricht19 Sep 2025Doubles Open · Men1:21:22232/354Beat 35%
↑ 204 days after Rotterdam 2025, with Dennis Zuurhout 10:14 worse than the field Why ↓Close ↑
8:45 slower on the clock in a race that was 1:29 faster for everyone: 10:14 lost to the field.
The fieldCompare these two →1:29 faster This pair8:45 slower -
Riga31 May 2025Doubles Open · Men1:13:29114/252Beat 55%
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Heerenveen9 May 2025Individual Open · Men1:33:13214/325Beat 34%
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Rotterdam27 Feb 2025Doubles Open · Men1:12:37 PB124/335Beat 63%
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Amsterdam10 Oct 2024Doubles Open · Men1:21:21220/325Beat 32%