Progress against the field
Between Amsterdam 2023 and Utrecht 2025, Jurriaan Van Swinderen pulled 8:27 ahead of the field.
Over the same races everyone got 6:14 quicker, so 14:41 faster on the clock looks better than it was.
The longest gap between two races compared here, 481 days between Amsterdam 2023 and Rotterdam 2025, still ended 3:37 ahead of the field.
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
8 races · 8 events
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Amsterdam21 Jan 2026Doubles Open · Men1:13:27542/994Beat 46%
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Utrecht28 Nov 2025Individual Open · Men1:19:32 PB322/1337Beat 76%
↑ 237 days after Belgium 2025 1:13 better than the field Why ↓Close ↑
1:36 faster on the clock, and the race was 0:23 faster for everyone, so 1:13 of it was this athlete.
The fieldCompare these two →0:23 faster This athlete1:36 faster -
Maastricht19 Sep 2025Doubles Pro · Men1:17:08 PB87/131Beat 34%
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Belgium5 Apr 2025Individual Open · Men1:21:08598/1638Beat 64%
↑ 37 days after Rotterdam 2025 3:37 better than the field Why ↓Close ↑
4:32 faster on the clock, and the race was 0:55 faster for everyone, so 3:37 of it was this athlete.
The fieldCompare these two →0:55 faster This athlete4:32 faster -
Rotterdam27 Feb 2025Individual Open · Men1:25:40609/1283Beat 53%
↑ 481 days after Amsterdam 2023 3:37 better than the field Why ↓Close ↑
8:33 faster on the clock, and the race was 4:56 faster for everyone, so 3:37 of it was this athlete.
The fieldCompare these two →4:56 faster This athlete8:33 faster -
Amsterdam10 Oct 2024Individual Pro · Men1:27:28 PB115/177Beat 35%
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Maastricht20 Jan 2024Doubles Open · Men1:08:41 PB72/288Beat 75%
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Amsterdam4 Nov 2023Individual Open · Men1:34:13682/1079Beat 37%