Progress against the field
Between Maastricht 2025 and Heerenveen 2026, Tjem Kempen and Dirk van Daalen de Jel lost 1:50 to the field.
Over the same races everyone got 6:13 quicker, so 4:23 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.
Every race
8 races · 6 events
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Heerenveen14 May 2026Doubles Open · Men58:3516/535Beat 97%
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Heerenveen14 May 2026Doubles Pro · Men56:4021/315Beat 93%
↑ 29 days after Rotterdam 2026, with Dirk van Daalen de Jel 3:04 worse than the field Why ↓Close ↑
2:27 slower on the clock in a race that was 0:37 faster for everyone: 3:04 lost to the field.
The fieldCompare these two →0:37 faster This pair2:27 slower -
Rotterdam15 Apr 2026Doubles Open · Men1:01:5147/674Beat 93%
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Rotterdam15 Apr 2026Doubles Pro · Men54:13 PB7/385Beat 98%
↑ 138 days after Utrecht 2025, with Dirk van Daalen de Jel 0:33 worse than the field Faster on the clock, behind the field Why ↓Close ↑
3:36 faster on the clock looks better than it was: the race was 4:09 faster for everyone, which leaves this 0:33 behind the field.
The fieldCompare these two →4:09 faster This pair3:36 faster -
Gent12 Dec 2025Doubles Open · Men54:19 PB3/1164Beat 100%
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Utrecht28 Nov 2025Doubles Pro · Men57:496/148Beat 96%
↑ 70 days after Maastricht 2025, with Dirk van Daalen de Jel 1:47 better than the field Why ↓Close ↑
1:47 better than the field: 3:14 faster on the clock, against 1:27 faster for everyone.
The fieldCompare these two →1:27 faster This pair3:14 faster -
Maastricht19 Sep 2025Doubles Pro · Men1:01:0321/131Beat 84%
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Amsterdam10 Oct 2024Doubles Pro · Men1:06:3239/144Beat 73%