Progress against the field
From Utrecht 2025 to Maastricht 2026, Klaas Renes has moved with the field: what changed on the clock changed for everyone.
Over the same races everyone got 5:41 quicker, so 5:47 faster on the clock looks better than it was.
The biggest step was Heerenveen 2026 → Maastricht 2026: 4:32 on the field in 128 days.
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
4 races · 4 events
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Maastricht19 Sep 2026Individual Open · Men1:27:07 PB275/546Beat 50%
↑ 128 days after Heerenveen 2026 4:32 better than the field Why ↓Close ↑
The race was 1:26 slower for everyone and the clock still says 3:06 faster: 4:32 gained on the field.
The fieldCompare these two →1:26 slower This athlete3:06 faster -
Heerenveen14 May 2026Individual Open · Men1:30:13224/315Beat 29%
↑ 167 days after Utrecht 2025 4:26 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:41 faster on the clock looks better than it was: the race was 7:07 faster for everyone, which leaves this 4:26 behind the field.
The fieldCompare these two →7:07 faster This athlete2:41 faster -
Amsterdam21 Jan 2026Doubles Open · Mixed1:20:04 PB635/1206Beat 47%
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Utrecht28 Nov 2025Individual Open · Men1:32:54817/1337Beat 39%