Progress against the field
Between Amsterdam 2024 and Gent 2025, Sanne Bosma lost 8:14 to the field.
The clock says 6:03 slower, but the races themselves got 2:11 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 · 4 events
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Heerenveen14 May 2026Doubles Open · Women2:01:21 PB725/737Beat 2%
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Rotterdam15 Apr 2026Doubles Open · Mixed1:23:13 PB247/560Beat 56%
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Gent12 Dec 2025Individual Open · Women1:35:34558/1009Beat 45%
↑ 428 days after Amsterdam 2024 8:14 worse than the field Why ↓Close ↑
8:14 behind the field: 6:03 slower on the clock, against 2:11 faster for everyone.
The fieldCompare these two →2:11 faster This athlete6:03 slower -
Amsterdam10 Oct 2024Individual Open · Women1:29:31 PB151/408Beat 63%