Progress against the field
Sjiri Diederen has dropped 3:54 behind the field from Maastricht 2025 to Maastricht 2026.
The clock says 0:53 slower, but the races themselves got 3:01 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
3 races · 3 events
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Maastricht19 Sep 2026Individual Open · Women1:28:24168/577Beat 71%
↑ 365 days after Maastricht 2025 3:54 worse than the field Why ↓Close ↑
0:53 slower on the clock in a race that was 3:01 faster for everyone: 3:54 lost to the field.
The fieldCompare these two →3:01 faster This athlete0:53 slower -
Rotterdam15 Apr 2026Doubles Open · Women1:14:23 PB103/936Beat 89%
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Maastricht19 Sep 2025Individual Open · Women1:27:31 PB173/590Beat 71%