Progress against the field
Between Maastricht 2025 and Rotterdam 2026, Floris Griffioen and Corné Versteeg kept pace with the field.
Over the same races everyone got 3:33 quicker, so 3:31 faster on the clock looks better than it was.
The longest gap between two races compared here, 188 days between Maastricht 2025 and Mechelen 2026, cost 2:05 on 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 Doubles Open · Men, with Corné Versteeg, the one raced most; every comparison is in the list below.
Every race
10 races · 8 events
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Maastricht19 Sep 2026Relay · Mixed1:10:5218/69Beat 74%
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Maastricht19 Sep 2026Doubles Open · Men1:01:12 PB19/239Beat 92%
↑ 569 days after Rotterdam 2025, with Wiebe Stam 3:35 better than the field Why ↓Close ↑
7:59 faster on the clock, and the race was 4:24 faster for everyone, so 3:35 of it was this pair.
The fieldCompare these two →4:24 faster This pair7:59 faster -
Heerenveen14 May 2026Individual Open · Men1:12:13 PB166/966Beat 83%
↑ 167 days after Utrecht 2025 0:50 better than the field Why ↓Close ↑
0:50 better than the field: 7:57 faster on the clock, against 7:07 faster for everyone.
The fieldCompare these two →7:07 faster This athlete7:57 faster -
Rotterdam15 Apr 2026Relay · Men1:00:0413/79Beat 84%
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Rotterdam15 Apr 2026Doubles Open · Men1:03:5963/580Beat 89%
↑ 20 days after Mechelen 2026, with Corné Versteeg 2:03 better than the field Why ↓Close ↑
2:22 faster on the clock, and the race was 0:19 faster for everyone, so 2:03 of it was this pair.
The fieldCompare these two →0:19 faster This pair2:22 faster -
Mechelen26 Mar 2026Doubles Open · Men1:06:21143/593Beat 76%
↑ 188 days after Maastricht 2025, with Corné Versteeg 2:05 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:09 faster on the clock, yet the race was 3:14 faster for everyone, so 2:05 was lost on the field.
The fieldCompare these two →3:14 faster This pair1:09 faster -
Amsterdam21 Jan 2026Doubles Open · Men1:03:24133/994Beat 87%
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Utrecht28 Nov 2025Individual Open · Men1:20:10351/1337Beat 74%
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Maastricht19 Sep 2025Doubles Open · Men1:07:3059/354Beat 83%
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Rotterdam27 Feb 2025Doubles Open · Men1:09:1179/335Beat 76%