Progress against the field
Between Heerenveen 2025 and Heerenveen 2026, Jacob de Horn lost 9:05 to the field.
The clock says 1:51 slower, but the races themselves got 7:14 quicker for everyone.
The longest gap between two races compared here, 203 days between Heerenveen 2025 and Utrecht 2025, cost 2:59 on 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
3 races · 3 events
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Heerenveen14 May 2026Individual Open · Men1:27:37567/966Beat 41%
↑ 167 days after Utrecht 2025 6:06 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:01 faster on the clock, yet the race was 7:07 faster for everyone, so 6:06 was lost on the field.
The fieldCompare these two →7:07 faster This athlete1:01 faster -
Utrecht28 Nov 2025Individual Open · Men1:28:38676/1337Beat 49%
↑ 203 days after Heerenveen 2025 2:59 worse than the field Why ↓Close ↑
2:52 slower on the clock in a race that was 0:07 faster for everyone: 2:59 lost to the field.
The fieldCompare these two →0:07 faster This athlete2:52 slower -
Heerenveen9 May 2025Individual Open · Men1:25:46 PB633/1217Beat 48%