Progress against the field
René Visscher has dropped 2:40 behind the field from Rotterdam 2025 to Amsterdam 2026.
Over the same races everyone got 8:19 quicker, so 5:39 faster on the clock looks better than it was.
204 days between Rotterdam 2025 and Maastricht 2025 is the longest gap compared here, and the second race was 2:55 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
7 races · 7 events
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Heerenveen14 May 2026Doubles Open · Mixed1:18:27 PB333/808Beat 59%
↑ 167 days after Utrecht 2025, with Michelle Pronk 2:30 better than the field Why ↓Close ↑
2:30 better than the field: 7:36 faster on the clock, against 5:06 faster for everyone.
The fieldCompare these two →5:06 faster This pair7:36 faster -
Rotterdam15 Apr 2026Doubles Open · Men1:14:49 PB239/580Beat 59%
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Amsterdam21 Jan 2026Individual Open · Men1:13:27 PB310/1620Beat 81%
↑ 124 days after Maastricht 2025 0:15 better than the field Why ↓Close ↑
0:15 better than the field: 8:14 faster on the clock, against 7:59 faster for everyone.
The fieldCompare these two →7:59 faster This athlete8:14 faster -
Utrecht28 Nov 2025Doubles Open · Mixed1:26:03202/381Beat 47%
↑ 203 days after Heerenveen 2025, with Michelle Pronk 3:59 worse than the field Why ↓Close ↑
3:59 behind the field: 2:18 slower on the clock, against 1:41 faster for everyone.
The fieldCompare these two →1:41 faster This pair2:18 slower -
Maastricht19 Sep 2025Individual Open · Men1:21:41386/1352Beat 71%
↑ 204 days after Rotterdam 2025 2:55 worse than the field Why ↓Close ↑
2:55 behind the field: 2:35 slower on the clock, against 0:20 faster for everyone.
The fieldCompare these two →0:20 faster This athlete2:35 slower -
Heerenveen9 May 2025Doubles Open · Mixed1:23:45295/492Beat 40%
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Rotterdam27 Feb 2025Individual Open · Men1:19:06364/1283Beat 72%