Progress against the field
Between Mechelen 2026 and Rotterdam 2026, Harmen Hilbrand de Boer lost 23:19 to the field.
The races themselves barely changed, so 23:40 slower 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.
Every race
2 races · 2 events
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Rotterdam15 Apr 2026Individual Open · Men1:48:231049/1192Beat 12%
↑ 20 days after Mechelen 2026 23:19 worse than the field Why ↓Close ↑
23:19 behind the field: 23:40 slower on the clock, against 0:21 slower for everyone.
The fieldCompare these two →0:21 slower This athlete23:40 slower -
Mechelen26 Mar 2026Individual Open · Men1:24:43 PB766/1363Beat 44%