Progress against the field
From Rotterdam 2025 to Rotterdam 2026, Milou Arts and Sander Ritsma got 1:59 faster than the field.
The clock says 7:52 faster, but the races themselves got 5:53 quicker for everyone.
The longest gap between two races compared here, 204 days between Rotterdam 2025 and Maastricht 2025, still ended 6:25 ahead of 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.
Every race
4 races · 4 events
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Rotterdam15 Apr 2026Doubles Open · Mixed1:17:05 PB152/560Beat 73%
↑ 84 days after Amsterdam 2026, with Sander Ritsma 2:18 better than the field Why ↓Close ↑
2:18 better than the field: 3:08 faster on the clock, against 0:50 faster for everyone.
The fieldCompare these two →0:50 faster This pair3:08 faster -
Amsterdam21 Jan 2026Doubles Open · Mixed1:20:13220/496Beat 56%
↑ 124 days after Maastricht 2025, with Sander Ritsma 6:44 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:06 faster on the clock, yet the race was 6:50 faster for everyone, so 6:44 was lost on the field.
The fieldCompare these two →6:50 faster This pair0:06 faster -
Maastricht19 Sep 2025Doubles Open · Mixed1:20:19225/658Beat 66%
↑ 204 days after Rotterdam 2025, with Sander Ritsma 6:25 better than the field Why ↓Close ↑
The race was 1:47 slower for everyone and the clock still says 4:38 faster: 6:25 gained on the field.
The fieldCompare these two →1:47 slower This pair4:38 faster -
Rotterdam27 Feb 2025Doubles Open · Mixed1:24:57399/707Beat 44%