Progress against the field
From Rotterdam 2025 to Rotterdam 2026, Huib Hermsen and Erik Opdam got 3:23 faster than the field.
Over the same races everyone got 5:00 quicker, so 8:23 faster on the clock looks better than it was.
208 days between Maastricht 2025 and Rotterdam 2026 is the longest gap compared here, and the second race was 4:12 better than 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 · Men1:05:54 PB121/674Beat 82%
↑ 208 days after Maastricht 2025, with Erik Opdam 4:12 better than the field Why ↓Close ↑
4:12 better than the field: 7:43 faster on the clock, against 3:31 faster for everyone.
The fieldCompare these two →3:31 faster This pair7:43 faster -
Maastricht19 Sep 2025Doubles Open · Men1:13:37127/354Beat 64%
↑ 204 days after Rotterdam 2025, with Erik Opdam 0:49 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:40 faster on the clock, yet the race was 1:29 faster for everyone, so 0:49 was lost on the field.
The fieldCompare these two →1:29 faster This pair0:40 faster -
Berlin16 May 2025Doubles Open · Mixed1:09:49 PB148/528Beat 72%
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Rotterdam27 Feb 2025Doubles Open · Men1:14:17149/335Beat 56%