Progress against the field
From Amsterdam 2023 to Maastricht 2024, Jeroen Koster and Jorn Rijkenbarg got 5:23 faster than the field.
The clock says 9:47 faster, but the races themselves got 4:24 quicker for everyone.
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
8 races · 6 events
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Utrecht28 Nov 2025Individual Pro · Men1:58:11 PB212/215Beat 1%
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Heerenveen9 May 2025Doubles Open · Men1:23:37435/529Beat 18%
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Amsterdam10 Oct 2024Doubles Open · Mixed1:43:31 PB588/618Beat 5%
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Amsterdam10 Oct 2024Relay · Men1:14:5410/15Beat 33%
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Rotterdam6 Apr 2024Individual Open · Men1:38:35 PB965/1380Beat 30%
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Maastricht20 Jan 2024Doubles Open · Men1:18:44 PB165/288Beat 43%
↑ 77 days after Amsterdam 2023, with Jorn Rijkenbarg 5:23 better than the field Why ↓Close ↑
5:23 better than the field: 9:47 faster on the clock, against 4:24 faster for everyone.
The fieldCompare these two →4:24 faster This pair9:47 faster -
Maastricht20 Jan 2024Relay · Mixed1:23:0720/28Beat 29%
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Amsterdam4 Nov 2023Doubles Open · Men1:28:31329/411Beat 20%