Progress against the field
Between Heerenveen 2025 and Amsterdam 2026, Sylvia Prins lost 5:54 to the field.
Over the same races everyone got 7:59 quicker, so 2:05 faster on the clock looks better than it was.
The largest gain on the field came from Heerenveen 2025 → Maastricht 2025: 8:46 in 133 days.
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 · 6 events
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Heerenveen14 May 2026Doubles Open · Women1:18:26 PB134/513Beat 74%
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Rotterdam15 Apr 2026Doubles Open · Women1:42:26405/472Beat 14%
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Amsterdam21 Jan 2026Individual Open · Women1:37:03726/1122Beat 35%
↑ 124 days after Maastricht 2025 14:40 worse than the field Why ↓Close ↑
14:40 behind the field: 7:45 slower on the clock, against 6:55 faster for everyone.
The fieldCompare these two →6:55 faster This athlete7:45 slower -
Utrecht28 Nov 2025Doubles Open · Mixed1:33:50 PB301/381Beat 21%
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Maastricht19 Sep 2025Individual Open · Women1:29:18 PB209/590Beat 65%
↑ 133 days after Heerenveen 2025 8:46 better than the field Why ↓Close ↑
9:50 faster on the clock, and the race was 1:04 faster for everyone, so 8:46 of it was this athlete.
The fieldCompare these two →1:04 faster This athlete9:50 faster -
Heerenveen9 May 2025Individual Open · Women1:39:08338/571Beat 41%