Progress against the field
Between Rotterdam 2024 and Rotterdam 2026, Sanne de Waal lost 4:09 to the field.
The clock says 5:38 faster, but the races themselves got 9:47 quicker for everyone.
Ahead of the field in 3 of 4 comparisons.
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
5 races · 5 events
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Rotterdam15 Apr 2026Individual Open · Women1:28:23123/485Beat 75%
↑ 208 days after Maastricht 2025 0:59 better than the field Why ↓Close ↑
5:21 faster on the clock, and the race was 4:22 faster for everyone, so 0:59 of it was this athlete.
The fieldCompare these two →4:22 faster This athlete5:21 faster -
Maastricht19 Sep 2025Individual Open · Women1:33:44281/590Beat 52%
↑ 204 days after Rotterdam 2025 7:20 worse than the field Why ↓Close ↑
7:20 behind the field: 6:26 slower on the clock, against 0:54 faster for everyone.
The fieldCompare these two →0:54 faster This athlete6:26 slower -
Rotterdam27 Feb 2025Individual Open · Women1:27:18 PB130/411Beat 68%
↑ 140 days after Amsterdam 2024 0:58 better than the field Why ↓Close ↑
3:47 faster on the clock, and the race was 2:49 faster for everyone, so 0:58 of it was this athlete.
The fieldCompare these two →2:49 faster This athlete3:47 faster -
Amsterdam10 Oct 2024Individual Open · Women1:31:05286/678Beat 58%
↑ 187 days after Rotterdam 2024 1:14 better than the field Why ↓Close ↑
1:14 better than the field: 2:56 faster on the clock, against 1:42 faster for everyone.
The fieldCompare these two →1:42 faster This athlete2:56 faster -
Rotterdam6 Apr 2024Individual Open · Women1:34:01286/585Beat 51%