Progress against the field
From Heerenveen 2025 to Heerenveen 2026, Joeri Spruijt and Nanno Jissink have moved with the field: what changed on the clock changed for everyone.
The clock says 4:31 faster, but the races themselves got 4:39 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
4 races · 3 events
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Heerenveen14 May 2026Relay · Mixed1:17:1528/66Beat 58%
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Heerenveen14 May 2026Doubles Open · Men1:14:16 PB237/434Beat 45%
↑ 167 days after Utrecht 2025, with Nanno Jissink 0:34 better than the field Why ↓Close ↑
3:52 faster on the clock, and the race was 3:18 faster for everyone, so 0:34 of it was this pair.
The fieldCompare these two →3:18 faster This pair3:52 faster -
Utrecht28 Nov 2025Doubles Open · Men1:18:08219/461Beat 53%
↑ 203 days after Heerenveen 2025, with Nanno Jissink 0:42 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:39 faster on the clock, yet the race was 1:21 faster for everyone, so 0:42 was lost on the field.
The fieldCompare these two →1:21 faster This pair0:39 faster -
Heerenveen9 May 2025Doubles Open · Men1:18:47193/309Beat 38%