Progress against the field
Jeroen van Duijn has dropped 4:45 behind the field from Maastricht European Championships 2023 to Heerenveen 2025.
Over the same races everyone got 5:25 quicker, so 0:40 faster on the clock looks better than it was.
805 days between Maastricht European Championships 2023 and Belgium 2025 is the longest gap compared here, and the second race was 4:49 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. The summary above covers Individual Open · Men, the one raced most; every comparison is in the list below.
Every race
8 races · 7 events
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Heerenveen14 May 2026Doubles Open · Men1:10:01 PB190/494Beat 62%
↑ 237 days after Maastricht 2025, with Willem van Duijn 2:32 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:33 faster on the clock, yet the race was 3:05 faster for everyone, so 2:32 was lost on the field.
The fieldCompare these two →3:05 faster This pair0:33 faster -
Heerenveen14 May 2026Doubles Pro · Men58:40 PB39/315Beat 88%
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Maastricht19 Sep 2025Doubles Open · Men1:10:34292/821Beat 64%
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Heerenveen9 May 2025Individual Open · Men1:03:53 PB23/1217Beat 98%
↑ 34 days after Belgium 2025 0:04 better than the field Why ↓Close ↑
2:32 faster on the clock, and the race was 2:28 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →2:28 faster This athlete2:32 faster -
Belgium5 Apr 2025Individual Open · Men1:06:2585/1638Beat 95%
↑ 805 days after Maastricht European Championships 2023 4:49 worse than the field Why ↓Close ↑
1:52 slower on the clock in a race that was 2:57 faster for everyone: 4:49 lost to the field.
The fieldCompare these two →2:57 faster This athlete1:52 slower -
Maastricht European Championships21 Jan 2023Individual Open · Men1:04:3340/556Beat 93%
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Amsterdam22 Oct 2022Individual Pro · Men1:12:53 PB27/120Beat 78%
↑ 231 days after Maastricht 2022 0:21 worse than the field Faster on the clock, behind the field Why ↓Close ↑
3:42 faster on the clock looks better than it was: the race was 4:03 faster for everyone, which leaves this 0:21 behind the field.
The fieldCompare these two →4:03 faster This athlete3:42 faster -
Maastricht5 Mar 2022Individual Pro · Men1:16:3541/100Beat 59%