Progress against the field
Between Rotterdam 2025 and Utrecht 2025, Asaf De Jong lost 1:44 to the field.
The races themselves barely changed, so 1:17 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. The summary above covers Individual Pro · Men, the one raced most; every comparison is in the list below.
Every race
5 races · 5 events
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Utrecht28 Nov 2025Individual Pro · Men1:12:4838/215Beat 82%
↑ 274 days after Rotterdam 2025 1:44 worse than the field Why ↓Close ↑
1:44 behind the field: 1:17 slower on the clock, against 0:27 faster for everyone.
The fieldCompare these two →0:27 faster This athlete1:17 slower -
Rotterdam27 Feb 2025Individual Pro · Men1:11:31 PB16/99Beat 84%
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Frankfurt14 Dec 2024Individual Open · Men1:11:39 PB224/1480Beat 85%
↑ 252 days after Rotterdam 2024 3:17 better than the field Why ↓Close ↑
7:41 faster on the clock, and the race was 4:24 faster for everyone, so 3:17 of it was this athlete.
The fieldCompare these two →4:24 faster This athlete7:41 faster -
Rotterdam6 Apr 2024Individual Open · Men1:19:20216/1380Beat 84%
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Amsterdam4 Nov 2023Individual Pro · MenDNF—