Progress against the field
Between Rotterdam 2025 and Maastricht 2026, Thibaud De Keyzer lost 9:52 to the field.
Over the same races everyone got 3:35 quicker, so 6:17 slower on the clock looks better than it was.
355 days between Belgium 2025 and Mechelen 2026 is the longest gap compared here, and the second race was 11:35 behind 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
4 races · 4 events
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Maastricht19 Sep 2026Individual Open · Men1:51:341025/1119Beat 8%
↑ 177 days after Mechelen 2026 0:54 worse than the field Why ↓Close ↑
0:54 behind the field: 2:41 slower on the clock, against 1:47 slower for everyone.
The fieldCompare these two →1:47 slower This athlete2:41 slower -
Mechelen26 Mar 2026Individual Open · Men1:48:531269/1363Beat 7%
↑ 355 days after Belgium 2025 11:35 worse than the field Why ↓Close ↑
7:08 slower on the clock in a race that was 4:27 faster for everyone: 11:35 lost to the field.
The fieldCompare these two →4:27 faster This athlete7:08 slower -
Belgium5 Apr 2025Individual Open · Men1:41:45 PB1355/1638Beat 17%
↑ 37 days after Rotterdam 2025 2:37 better than the field Why ↓Close ↑
3:32 faster on the clock, and the race was 0:55 faster for everyone, so 2:37 of it was this athlete.
The fieldCompare these two →0:55 faster This athlete3:32 faster -
Rotterdam27 Feb 2025Individual Open · Men1:45:17498/584Beat 15%