Progress against the field
From Rotterdam 2024 to Gent 2025, the field gained 3:58 on Ralph Thijssen.
Over the same races everyone got 12:29 quicker, so 8:31 faster on the clock looks better than it was.
The largest gain on the field came from Rotterdam 2025 → Maastricht 2025: 4:02 in 204 days.
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 Open · Men, the one raced most; every comparison is in the list below.
Every race
9 races · 9 events
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Maastricht19 Sep 2026Individual Pro · Men1:31:54326/399Beat 18%
↑ 157 days after Rotterdam 2026 4:23 worse than the field Why ↓Close ↑
4:23 behind the field: 4:09 slower on the clock, against 0:14 faster for everyone.
The fieldCompare these two →0:14 faster This athlete4:09 slower -
Rotterdam15 Apr 2026Individual Pro · Men1:27:45221/348Beat 37%
↑ 20 days after Mechelen 2026 1:19 worse than the field Why ↓Close ↑
2:42 slower on the clock in a race that was 1:23 slower for everyone: 1:19 lost to the field.
The fieldCompare these two →1:23 slower This athlete2:42 slower -
Mechelen26 Mar 2026Individual Pro · Men1:25:03 PB347/457Beat 24%
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Amsterdam21 Jan 2026Doubles Pro · Men1:09:16 PB181/298Beat 39%
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Gent12 Dec 2025Individual Open · Men1:22:31653/1428Beat 54%
↑ 84 days after Maastricht 2025 7:27 worse than the field Why ↓Close ↑
1:52 slower on the clock in a race that was 5:35 faster for everyone: 7:27 lost to the field.
The fieldCompare these two →5:35 faster This athlete1:52 slower -
Maastricht19 Sep 2025Individual Open · Men1:20:39 PB344/1352Beat 75%
↑ 204 days after Rotterdam 2025 4:02 better than the field Why ↓Close ↑
4:02 better than the field: 4:22 faster on the clock, against 0:20 faster for everyone.
The fieldCompare these two →0:20 faster This athlete4:22 faster -
Rotterdam27 Feb 2025Individual Open · Men1:25:01585/1283Beat 54%
↑ 327 days after Rotterdam 2024 0:33 worse than the field Faster on the clock, behind the field Why ↓Close ↑
6:01 faster on the clock looks better than it was: the race was 6:34 faster for everyone, which leaves this 0:33 behind the field.
The fieldCompare these two →6:34 faster This athlete6:01 faster -
Rotterdam6 Apr 2024Individual Open · Men1:31:02678/1380Beat 51%
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Maastricht20 Jan 2024Individual Pro · MenDNF—