Progress against the field
Olivier De Jong has gained 4:11 on the field from Rotterdam 2024 to Maastricht 2025.
The clock says 10:27 faster, but the races themselves got 6:16 quicker for everyone.
The longest gap between two races compared here, 344 days between Amsterdam 2024 and Maastricht 2025, still ended 20:11 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
4 races · 4 events
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Maastricht19 Sep 2025Individual Open · Men1:31:39 PB727/1352Beat 46%
↑ 344 days after Amsterdam 2024 20:11 better than the field Why ↓Close ↑
The race was 0:31 slower for everyone and the clock still says 19:40 faster: 20:11 gained on the field.
The fieldCompare these two →0:31 slower This athlete19:40 faster -
Amsterdam10 Oct 2024Individual Open · Men1:51:19599/659Beat 9%
↑ 187 days after Rotterdam 2024 16:00 worse than the field Why ↓Close ↑
9:13 slower on the clock in a race that was 6:47 faster for everyone: 16:00 lost to the field.
The fieldCompare these two →6:47 faster This athlete9:13 slower -
Rotterdam6 Apr 2024Individual Open · Men1:42:061060/1380Beat 23%
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Amsterdam4 Nov 2023Individual Pro · MenDNF—