Progress against the field
Janne Jansen and Renske Jansen have gained 4:27 on the field from Maastricht 2025 to Maastricht 2026.
Over the same races everyone got 4:18 quicker, so 8:45 faster on the clock looks better than it was.
The longest gap between two races compared here, 208 days between Maastricht 2025 and Rotterdam 2026, still ended 4:27 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
6 races · 5 events
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Maastricht19 Sep 2026Doubles Open · Women1:26:18 PB163/418Beat 61%
↑ 157 days after Rotterdam 2026, with Renske Jansen 0:00 better than the field Why ↓Close ↑
0:17 faster on the clock, and the race was 0:17 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →0:17 faster This pair0:17 faster -
Maastricht19 Sep 2026Relay · Women1:16:1817/43Beat 61%
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Heerenveen14 May 2026Relay · Women1:21:0123/64Beat 64%
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Rotterdam15 Apr 2026Doubles Open · Women1:26:35218/466Beat 53%
↑ 208 days after Maastricht 2025, with Renske Jansen 4:27 better than the field Why ↓Close ↑
8:28 faster on the clock, and the race was 4:01 faster for everyone, so 4:27 of it was this pair.
The fieldCompare these two →4:01 faster This pair8:28 faster -
Mechelen26 Mar 2026Relay · Women1:24:5929/53Beat 45%
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Maastricht19 Sep 2025Doubles Open · Women1:35:03571/739Beat 23%