Progress against the field
Between Amsterdam 2023 and Rotterdam 2026, Niels Mulder lost 10:21 to the field.
The clock says 7:41 faster, but the races themselves got 18:02 quicker for everyone.
274 days between Rotterdam 2025 and Utrecht 2025 is the longest gap compared here, and the second race was 1:26 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. The summary above covers Individual Open · Men, the one raced most; every comparison is in the list below.
Every race
17 races · 13 events
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Heerenveen14 May 2026Doubles Open · Men1:17:34 PB335/494Beat 32%
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Heerenveen14 May 2026Doubles Pro · Men1:00:0656/315Beat 82%
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Rotterdam15 Apr 2026Individual Open · Men1:09:2949/556Beat 91%
↑ 138 days after Utrecht 2025 4:41 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:38 faster on the clock, yet the race was 5:19 faster for everyone, so 4:41 was lost on the field.
The fieldCompare these two →5:19 faster This athlete0:38 faster -
Mechelen26 Mar 2026Doubles Pro · Men1:00:01 PB125/493Beat 75%
↑ 64 days after Amsterdam 2026, with Martijn Schohaus 0:23 better than the field Why ↓Close ↑
1:06 faster on the clock, and the race was 0:43 faster for everyone, so 0:23 of it was this pair.
The fieldCompare these two →0:43 faster This pair1:06 faster -
Amsterdam21 Jan 2026Relay · Men58:586/51Beat 88%
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Amsterdam21 Jan 2026Doubles Pro · Men1:01:0774/298Beat 75%
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Utrecht28 Nov 2025Individual Open · Men1:10:0764/1337Beat 95%
↑ 274 days after Rotterdam 2025 1:26 worse than the field Why ↓Close ↑
1:26 behind the field: 0:38 slower on the clock, against 0:48 faster for everyone.
The fieldCompare these two →0:48 faster This athlete0:38 slower -
Maastricht19 Sep 2025Individual Pro · Men1:25:08 PB118/208Beat 43%
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Heerenveen9 May 2025Doubles Pro · Men1:01:1716/92Beat 83%
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Belgium5 Apr 2025Doubles Pro · Men1:02:4915/122Beat 88%
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Rotterdam27 Feb 2025Individual Open · Men1:09:2970/1283Beat 95%
↑ 140 days after Amsterdam 2024 5:36 worse than the field Why ↓Close ↑
3:40 slower on the clock in a race that was 1:56 faster for everyone: 5:36 lost to the field.
The fieldCompare these two →1:56 faster This athlete3:40 slower -
Amsterdam10 Oct 2024Relay · Men54:463/15Beat 80%
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Amsterdam10 Oct 2024Individual Open · Men1:05:49 PB58/1539Beat 96%
↑ 187 days after Rotterdam 2024 2:08 better than the field Why ↓Close ↑
8:55 faster on the clock, and the race was 6:47 faster for everyone, so 2:08 of it was this athlete.
The fieldCompare these two →6:47 faster This athlete8:55 faster -
Rotterdam6 Apr 2024Individual Open · Men1:14:44110/1380Beat 92%
↑ 77 days after Maastricht 2024 2:55 worse than the field Why ↓Close ↑
4:44 slower on the clock in a race that was 1:49 slower for everyone: 2:55 lost to the field.
The fieldCompare these two →1:49 slower This athlete4:44 slower -
Rotterdam6 Apr 2024Relay · Men57:472/10Beat 80%
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Maastricht20 Jan 2024Individual Open · Men1:10:0055/781Beat 93%
↑ 77 days after Amsterdam 2023 2:09 better than the field Why ↓Close ↑
7:10 faster on the clock, and the race was 5:01 faster for everyone, so 2:09 of it was this athlete.
The fieldCompare these two →5:01 faster This athlete7:10 faster -
Amsterdam4 Nov 2023Individual Open · Men1:17:10154/1079Beat 86%