Progress against the field
From Gent 2025 to Rotterdam 2026, Kelsey Delissen and Jessica Maassen have moved with the field: what changed on the clock changed for everyone.
Over the same races everyone got 3:07 quicker, so 3:02 faster on the clock looks better than it was.
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
2 races · 2 events
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Rotterdam15 Apr 2026Doubles Open · Women1:33:44 PB308/466Beat 34%
↑ 124 days after Gent 2025, with Jessica Maassen 0:05 worse than the field Why ↓Close ↑
3:02 faster on the clock, and the race was 3:07 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →3:07 faster This pair3:02 faster -
Gent12 Dec 2025Doubles Open · Women1:36:46700/882Beat 21%