Progress against the field
Jasper Rennen has dropped 4:34 behind the field from Maastricht 2024 to Utrecht 2025.
Over the same races everyone got 5:18 quicker, so 0:44 faster on the clock looks better than it was.
475 days between Maastricht 2024 and Heerenveen 2025 is the longest gap compared here, and the second race was 1:54 behind 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.
Every race
8 races · 8 events
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Utrecht28 Nov 2025Individual Open · Men1:23:47475/1337Beat 65%
↑ 203 days after Heerenveen 2025 2:40 worse than the field Why ↓Close ↑
2:33 slower on the clock in a race that was 0:07 faster for everyone: 2:40 lost to the field.
The fieldCompare these two →0:07 faster This athlete2:33 slower -
Maastricht19 Sep 2025Doubles Pro · Men1:10:13 PB51/102Beat 50%
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Heerenveen9 May 2025Individual Open · Men1:21:14121/325Beat 63%
↑ 475 days after Maastricht 2024 1:54 worse than the field Faster on the clock, behind the field Why ↓Close ↑
3:17 faster on the clock looks better than it was: the race was 5:11 faster for everyone, which leaves this 1:54 behind the field.
The fieldCompare these two →5:11 faster This athlete3:17 faster -
Rotterdam27 Feb 2025Individual Pro · Men1:31:17 PB76/99Beat 23%
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Amsterdam10 Oct 2024Doubles Open · Men1:09:58 PB220/855Beat 74%
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Rotterdam6 Apr 2024Doubles Open · Men1:10:51174/722Beat 76%
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Maastricht20 Jan 2024Individual Open · Men1:24:31354/781Beat 55%
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KölnDate unknownIndividual Open · Men1:14:29 PB210/815Beat 74%