Progress against the field
Between Utrecht 2025 and Rotterdam 2026, Thijs Boone and Leobart van den Ham pulled 1:23 ahead of the field.
The clock says 4:25 faster, but the races themselves got 3:02 quicker for everyone.
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
3 races · 3 events
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Rotterdam15 Apr 2026Doubles Open · Men1:08:40 PB67/310Beat 78%
↑ 138 days after Utrecht 2025, with Leobart van den Ham 1:23 better than the field Why ↓Close ↑
4:25 faster on the clock, and the race was 3:02 faster for everyone, so 1:23 of it was this pair.
The fieldCompare these two →3:02 faster This pair4:25 faster -
Amsterdam21 Jan 2026Individual Open · Men1:31:08 PB351/570Beat 38%
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Utrecht28 Nov 2025Doubles Open · Men1:13:05138/461Beat 70%