Progress against the field
From Maastricht 2025 to Maastricht 2026, the field gained 7:27 on Marcel Alderlieste.
The clock says 3:25 faster, but the races themselves got 10:52 quicker for everyone.
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
6 races · 6 events
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Maastricht19 Sep 2026Individual Open · Men1:07:1521/394Beat 95%
↑ 157 days after Rotterdam 2026 3:02 worse than the field Why ↓Close ↑
3:02 behind the field: 2:56 slower on the clock, against 0:06 faster for everyone.
The fieldCompare these two →0:06 faster This athlete2:56 slower -
Rotterdam15 Apr 2026Individual Open · Men1:04:19 PB15/570Beat 97%
↑ 20 days after Mechelen 2026 1:19 better than the field Why ↓Close ↑
0:58 faster on the clock in a race that was 0:21 slower for everyone: 1:19 better than the field.
The fieldCompare these two →0:21 slower This athlete0:58 faster -
Mechelen26 Mar 2026Individual Open · Men1:05:1752/747Beat 93%
↑ 64 days after Amsterdam 2026 1:38 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:46 faster on the clock looks better than it was: the race was 2:24 faster for everyone, which leaves this 1:38 behind the field.
The fieldCompare these two →2:24 faster This athlete0:46 faster -
Amsterdam21 Jan 2026Individual Open · Men1:06:0387/1620Beat 95%
↑ 54 days after Utrecht 2025 1:46 worse than the field Faster on the clock, behind the field Why ↓Close ↑
3:21 faster on the clock, yet the race was 5:07 faster for everyone, so 1:46 was lost on the field.
The fieldCompare these two →5:07 faster This athlete3:21 faster -
Utrecht28 Nov 2025Individual Open · Men1:09:2430/575Beat 95%
↑ 70 days after Maastricht 2025 2:20 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:16 faster on the clock looks better than it was: the race was 3:36 faster for everyone, which leaves this 2:20 behind the field.
The fieldCompare these two →3:36 faster This athlete1:16 faster -
Maastricht19 Sep 2025Individual Open · Men1:10:4084/1352Beat 94%