Progress against the field
Between Maastricht 2025 and Maastricht 2026, Boy Van erp kept pace with the field.
Over the same races everyone got 6:32 quicker, so 6:35 faster on the clock looks better than it was.
The largest gain on the field came from Rotterdam 2026 → Maastricht 2026: 4:32 in 157 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 Pro · Men, the one raced most; every comparison is in the list below.
Every race
10 races · 9 events
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Maastricht19 Sep 2026Individual Pro · Men1:07:0878/399Beat 81%
↑ 157 days after Rotterdam 2026 4:32 better than the field Why ↓Close ↑
4:32 better than the field: 4:46 faster on the clock, against 0:14 faster for everyone.
The fieldCompare these two →0:14 faster This athlete4:46 faster -
Heerenveen14 May 2026Doubles Pro · Men57:2129/315Beat 91%
↑ 113 days after Amsterdam 2026, with Mike Rietveld 1:33 worse than the field Why ↓Close ↑
0:41 slower on the clock in a race that was 0:52 faster for everyone: 1:33 lost to the field.
The fieldCompare these two →0:52 faster This pair0:41 slower -
Rotterdam15 Apr 2026Individual Pro · Men1:11:5479/348Beat 77%
↑ 84 days after Amsterdam 2026 6:36 worse than the field Why ↓Close ↑
6:36 behind the field: 6:17 slower on the clock, against 0:19 faster for everyone.
The fieldCompare these two →0:19 faster This athlete6:17 slower -
Amsterdam21 Jan 2026Doubles Pro · Men56:40 PB5/94Beat 95%
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Amsterdam21 Jan 2026Individual Pro · Men1:05:37 PB37/243Beat 85%
↑ 54 days after Utrecht 2025 0:03 worse than the field Why ↓Close ↑
Moved with the field: 4:33 faster on the clock, against 4:36 faster for everyone.
The fieldCompare these two →4:36 faster This athlete4:33 faster -
Utrecht28 Nov 2025Individual Pro · Men1:10:1020/102Beat 80%
↑ 70 days after Maastricht 2025 2:10 better than the field Why ↓Close ↑
2:10 better than the field: 3:33 faster on the clock, against 1:23 faster for everyone.
The fieldCompare these two →1:23 faster This athlete3:33 faster -
Maastricht19 Sep 2025Individual Pro · Men1:13:4329/104Beat 72%
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Heerenveen9 May 2025Individual Open · Men1:03:48 PB21/1217Beat 98%
↑ 34 days after Belgium 2025 1:04 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:24 faster on the clock looks better than it was: the race was 2:28 faster for everyone, which leaves this 1:04 behind the field.
The fieldCompare these two →2:28 faster This athlete1:24 faster -
Belgium5 Apr 2025Individual Open · Men1:05:1267/1638Beat 96%
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Rotterdam27 Feb 2025Doubles Open · Men1:01:44 PB29/733Beat 96%