Progress against the field
Between Amsterdam 2024 and Utrecht 2025, Leendert Vooijs lost 6:02 to the field.
The clock says 3:38 slower, but the races themselves got 2:24 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. The summary above covers Individual Pro · Men, the one raced most; every comparison is in the list below.
Every race
6 races · 6 events
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Rotterdam15 Apr 2026Individual Open · Men1:14:54 PB234/1192Beat 80%
↑ 893 days after Amsterdam 2023 3:27 worse than the field Faster on the clock, behind the field Why ↓Close ↑
5:45 faster on the clock, yet the race was 9:12 faster for everyone, so 3:27 was lost on the field.
The fieldCompare these two →9:12 faster This athlete5:45 faster -
Utrecht28 Nov 2025Individual Pro · Men1:21:4489/215Beat 59%
↑ 274 days after Rotterdam 2025 0:37 better than the field Why ↓Close ↑
1:04 faster on the clock, and the race was 0:27 faster for everyone, so 0:37 of it was this athlete.
The fieldCompare these two →0:27 faster This athlete1:04 faster -
Maastricht19 Sep 2025Doubles Open · Mixed1:11:29 PB63/658Beat 90%
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Rotterdam27 Feb 2025Individual Pro · Men1:22:4882/196Beat 58%
↑ 140 days after Amsterdam 2024 6:39 worse than the field Why ↓Close ↑
4:42 slower on the clock in a race that was 1:57 faster for everyone: 6:39 lost to the field.
The fieldCompare these two →1:57 faster This athlete4:42 slower -
Amsterdam10 Oct 2024Individual Pro · Men1:18:06 PB58/147Beat 61%
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Amsterdam4 Nov 2023Individual Open · Men1:20:39245/1079Beat 77%