Progress against the field
Samira Vriends has gained 5:15 on the field from Rotterdam 2025 to Belgium 2025.
Over the same races everyone got 1:38 quicker, so 6:53 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
6 races · 6 events
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Maastricht19 Sep 2026Doubles Pro · WomenDNF—
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Mechelen26 Mar 2026Doubles Open · Women1:05:31 PB8/1017Beat 99%
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Belgium5 Apr 2025Individual Open · Women1:16:23 PB49/765Beat 94%
↑ 37 days after Rotterdam 2025 5:15 better than the field Why ↓Close ↑
6:53 faster on the clock, and the race was 1:38 faster for everyone, so 5:15 of it was this athlete.
The fieldCompare these two →1:38 faster This athlete6:53 faster -
Rotterdam27 Feb 2025Individual Open · Women1:23:1636/203Beat 82%
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Paris9 Nov 2024Doubles Open · Mixed1:09:03 PB56/664Beat 92%
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Amsterdam10 Oct 2024Doubles Open · Women1:44:32270/308Beat 12%