Progress against the field
From Belgium 2025 to Oslo 2025, Jan De Leyn got 0:36 faster than the field.
The races themselves barely changed, so 0:21 faster on the clock is the real picture.
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 Open · Men, the one raced most; every comparison is in the list below.
Every race
5 races · 5 events
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Gent12 Dec 2025Individual Open · Men1:28:28900/1428Beat 37%
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Oslo26 Sep 2025Individual Open · Men1:27:53 PB199/319Beat 38%
↑ 174 days after Belgium 2025 0:36 better than the field Why ↓Close ↑
0:21 faster on the clock in a race that was 0:15 slower for everyone: 0:36 better than the field.
The fieldCompare these two →0:15 slower This athlete0:21 faster -
Belgium5 Apr 2025Individual Open · Men1:28:14906/1638Beat 45%
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Katowice22 Feb 2025Individual Open · Men1:29:20447/757Beat 41%
↑ 77 days after Stockholm 2024 8:04 better than the field Why ↓Close ↑
8:04 better than the field: 10:05 faster on the clock, against 2:01 faster for everyone.
The fieldCompare these two →2:01 faster This athlete10:05 faster -
Stockholm7 Dec 2024Individual Open · Men1:39:25354/447Beat 21%