Progress against the field
From Heerenveen 2025 to Utrecht 2025, Iefke De Vries got 20:56 faster than the field.
The clock says 22:55 faster, but the races themselves got 1:59 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
5 races · 4 events
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Heerenveen14 May 2026Relay · Women1:49:2064/64Beat 0%
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Heerenveen14 May 2026Doubles Open · Women1:57:27 PB244/246Beat 1%
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Utrecht28 Nov 2025Individual Open · Women2:24:08 PB248/254Beat 2%
↑ 203 days after Heerenveen 2025 20:56 better than the field Why ↓Close ↑
22:55 faster on the clock, and the race was 1:59 faster for everyone, so 20:56 of it was this athlete.
The fieldCompare these two →1:59 faster This athlete22:55 faster -
Heerenveen9 May 2025Individual Open · Women2:47:03568/571Beat 1%
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Rotterdam27 Feb 2025Doubles Open · Women2:01:34626/633Beat 1%