Progress against the field
Between Amsterdam 2024 and Heerenveen 2026, Jorne Korzelius and Jamie Groenhart pulled 24:39 ahead of the field.
The clock says 34:23 faster, but the races themselves got 9:44 quicker for everyone.
Ahead of the field in 3 of 4 comparisons.
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
5 races · 5 events
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Heerenveen14 May 2026Doubles Open · Mixed1:09:5775/461Beat 84%
↑ 29 days after Rotterdam 2026, with Jamie Groenhart 2:28 worse than the field Why ↓Close ↑
0:16 slower on the clock in a race that was 2:12 faster for everyone: 2:28 lost to the field.
The fieldCompare these two →2:12 faster This pair0:16 slower -
Rotterdam15 Apr 2026Doubles Open · Mixed1:09:41 PB114/1047Beat 89%
↑ 84 days after Amsterdam 2026, with Jamie Groenhart 1:21 better than the field Why ↓Close ↑
1:21 better than the field: 2:11 faster on the clock, against 0:50 faster for everyone.
The fieldCompare these two →0:50 faster This pair2:11 faster -
Amsterdam21 Jan 2026Doubles Open · Mixed1:11:52123/506Beat 76%
↑ 328 days after Rotterdam 2025, with Jamie Groenhart 0:42 better than the field Why ↓Close ↑
4:14 faster on the clock, and the race was 3:32 faster for everyone, so 0:42 of it was this pair.
The fieldCompare these two →3:32 faster This pair4:14 faster -
Rotterdam27 Feb 2025Doubles Open · Mixed1:16:06185/707Beat 74%
↑ 140 days after Amsterdam 2024, with Jamie Groenhart 25:04 better than the field Why ↓Close ↑
25:04 better than the field: 28:14 faster on the clock, against 3:10 faster for everyone.
The fieldCompare these two →3:10 faster This pair28:14 faster -
Amsterdam10 Oct 2024Doubles Open · Mixed1:44:20335/376Beat 11%