Progress against the field
Between Amsterdam 2024 and Amsterdam 2026, Klaas Eelkema and sjouke sijtsma lost 4:05 to the field.
The clock says 2:59 faster, but the races themselves got 7:04 quicker for everyone.
The longest gap between two races compared here, 257 days between Heerenveen 2025 and Amsterdam 2026, still ended 1:36 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
3 races · 3 events
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Amsterdam21 Jan 2026Doubles Open · Men1:15:46 PB638/994Beat 36%
↑ 257 days after Heerenveen 2025, with sjouke sijtsma 1:36 better than the field Why ↓Close ↑
5:03 faster on the clock, and the race was 3:27 faster for everyone, so 1:36 of it was this pair.
The fieldCompare these two →3:27 faster This pair5:03 faster -
Heerenveen9 May 2025Doubles Open · Men1:20:49407/529Beat 23%
↑ 211 days after Amsterdam 2024, with sjouke sijtsma 5:41 worse than the field Why ↓Close ↑
5:41 behind the field: 2:04 slower on the clock, against 3:37 faster for everyone.
The fieldCompare these two →3:37 faster This pair2:04 slower -
Amsterdam10 Oct 2024Doubles Open · Men1:18:45532/855Beat 38%