Progress against the field
Between Amsterdam 2023 and Rotterdam 2026, Kenneth Henneveld and Darcel Henneveld lost 2:33 to the field.
Over the same races everyone got 11:27 quicker, so 8:54 faster on the clock looks better than it was.
The longest gap between two races compared here, 341 days between Amsterdam 2023 and Amsterdam 2024, still ended 1:44 ahead of 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
5 races · 5 events
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Rotterdam15 Apr 2026Doubles Open · Men59:08 PB7/310Beat 98%
↑ 138 days after Utrecht 2025, with Darcel Henneveld 1:12 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:50 faster on the clock looks better than it was: the race was 3:02 faster for everyone, which leaves this 1:12 behind the field.
The fieldCompare these two →3:02 faster This pair1:50 faster -
Utrecht28 Nov 2025Doubles Open · Men1:00:5845/879Beat 95%
↑ 274 days after Rotterdam 2025, with Darcel Henneveld 1:35 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:03 faster on the clock, yet the race was 1:38 faster for everyone, so 1:35 was lost on the field.
The fieldCompare these two →1:38 faster This pair0:03 faster -
Rotterdam27 Feb 2025Doubles Open · Men1:01:0118/316Beat 94%
↑ 140 days after Amsterdam 2024, with Darcel Henneveld 1:30 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:01 faster on the clock looks better than it was: the race was 2:31 faster for everyone, which leaves this 1:30 behind the field.
The fieldCompare these two →2:31 faster This pair1:01 faster -
Amsterdam10 Oct 2024Doubles Open · Men1:02:0215/325Beat 95%
↑ 341 days after Amsterdam 2023, with Darcel Henneveld 1:44 better than the field Why ↓Close ↑
1:44 better than the field: 6:00 faster on the clock, against 4:16 faster for everyone.
The fieldCompare these two →4:16 faster This pair6:00 faster -
Amsterdam4 Nov 2023Doubles Open · Men1:08:0270/411Beat 83%