Progress against the field
Between Utrecht 2025 and Heerenveen 2026, Tiemo van Leeuwen and Tim van Leeuwen lost 10:27 to the field.
Over the same races everyone got 4:32 quicker, so 5:55 slower on the clock looks better than it was.
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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Heerenveen14 May 2026Doubles Open · Men1:27:46451/535Beat 16%
↑ 29 days after Rotterdam 2026, with Tim van Leeuwen 1:09 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:21 faster on the clock looks better than it was: the race was 1:30 faster for everyone, which leaves this 1:09 behind the field.
The fieldCompare these two →1:30 faster This pair0:21 faster -
Rotterdam15 Apr 2026Doubles Open · Men1:28:07592/674Beat 12%
↑ 138 days after Utrecht 2025, with Tim van Leeuwen 9:18 worse than the field Why ↓Close ↑
9:18 behind the field: 6:16 slower on the clock, against 3:02 faster for everyone.
The fieldCompare these two →3:02 faster This pair6:16 slower -
Utrecht28 Nov 2025Doubles Open · Men1:21:51 PB273/461Beat 41%