Progress against the field
Chris-Jan Bos has gained 17:15 on the field from Belgium 2025 to Stuttgart 2025.
Over the same races everyone got 2:43 quicker, so 19:58 faster on the clock looks better than it was.
The largest gain on the field came from Belgium 2025 → Maastricht 2025: 11:06 in 167 days.
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
5 races · 5 events
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Heerenveen14 May 2026Doubles Open · Mixed1:09:39 PB123/808Beat 85%
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Utrecht28 Nov 2025Individual Open · Men1:27:06 PB617/1337Beat 54%
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Stuttgart31 Oct 2025Individual Open · Men1:28:42649/1171Beat 45%
↑ 42 days after Maastricht 2025 6:09 better than the field Why ↓Close ↑
6:09 better than the field: 10:14 faster on the clock, against 4:05 faster for everyone.
The fieldCompare these two →4:05 faster This athlete10:14 faster -
Maastricht19 Sep 2025Individual Open · Men1:38:56949/1352Beat 30%
↑ 167 days after Belgium 2025 11:06 better than the field Why ↓Close ↑
9:44 faster on the clock in a race that was 1:22 slower for everyone: 11:06 better than the field.
The fieldCompare these two →1:22 slower This athlete9:44 faster -
Belgium5 Apr 2025Individual Open · Men1:48:401480/1638Beat 10%