Progress against the field
Bjorn Claassen has gained 4:00 on the field from Maastricht 2025 to Mechelen 2026.
The clock says 14:23 faster, but the races themselves got 10:23 quicker for everyone.
The biggest step was Amsterdam 2026 → Mechelen 2026: 3:26 on the field in 64 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
5 races · 4 events
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Mechelen26 Mar 2026Doubles Open · Men1:19:43611/867Beat 30%
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Mechelen26 Mar 2026Individual Open · Men1:21:28 PB641/1363Beat 53%
↑ 64 days after Amsterdam 2026 3:26 better than the field Why ↓Close ↑
5:50 faster on the clock, and the race was 2:24 faster for everyone, so 3:26 of it was this athlete.
The fieldCompare these two →2:24 faster This athlete5:50 faster -
Amsterdam21 Jan 2026Individual Open · Men1:27:18982/1620Beat 39%
↑ 124 days after Maastricht 2025 0:34 better than the field Why ↓Close ↑
8:33 faster on the clock, and the race was 7:59 faster for everyone, so 0:34 of it was this athlete.
The fieldCompare these two →7:59 faster This athlete8:33 faster -
Gent12 Dec 2025Doubles Open · Men1:14:48 PB158/280Beat 44%
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Maastricht19 Sep 2025Individual Open · Men1:35:51866/1352Beat 36%