Progress against the field
Robin Jonkers has dropped 13:59 behind the field from Amsterdam 2023 to Maastricht 2025.
Over the same races everyone got 8:15 quicker, so 5:44 slower on the clock looks better than it was.
The longest gap between two races compared here, 531 days between Rotterdam 2024 and Maastricht 2025, cost 13:39 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
5 races · 4 events
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Rotterdam15 Apr 2026Relay · Men1:03:5119/79Beat 76%
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Rotterdam15 Apr 2026Individual Open · MenDNF—
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Maastricht19 Sep 2025Individual Open · Men1:28:56630/1352Beat 53%
↑ 531 days after Rotterdam 2024 13:39 worse than the field Why ↓Close ↑
13:39 behind the field: 7:54 slower on the clock, against 5:45 faster for everyone.
The fieldCompare these two →5:45 faster This athlete7:54 slower -
Rotterdam6 Apr 2024Individual Open · Men1:21:02 PB272/1380Beat 80%
↑ 154 days after Amsterdam 2023 0:20 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:10 faster on the clock looks better than it was: the race was 2:30 faster for everyone, which leaves this 0:20 behind the field.
The fieldCompare these two →2:30 faster This athlete2:10 faster -
Amsterdam4 Nov 2023Individual Open · Men1:23:12329/1079Beat 70%