Progress against the field
Between Amsterdam 2022 and Rotterdam 2026, Annemarth Lieman lost 27:14 to the field.
Over the same races everyone got 19:33 quicker, so 7:41 slower on the clock looks better than it was.
341 days between Heerenveen 2025 and Rotterdam 2026 is the longest gap compared here, and the second race was 13:10 behind the field.
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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Rotterdam15 Apr 2026Individual Open · Women1:45:37308/485Beat 37%
↑ 341 days after Heerenveen 2025 13:10 worse than the field Why ↓Close ↑
13:10 behind the field: 7:23 slower on the clock, against 5:47 faster for everyone.
The fieldCompare these two →5:47 faster This athlete7:23 slower -
Heerenveen9 May 2025Individual Open · Women1:38:14328/571Beat 43%
↑ 71 days after Rotterdam 2025 0:26 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:56 faster on the clock, yet the race was 2:22 faster for everyone, so 0:26 was lost on the field.
The fieldCompare these two →2:22 faster This athlete1:56 faster -
Rotterdam27 Feb 2025Individual Open · Women1:40:10113/203Beat 44%
↑ 327 days after Rotterdam 2024 8:53 worse than the field Why ↓Close ↑
6:43 slower on the clock in a race that was 2:10 faster for everyone: 8:53 lost to the field.
The fieldCompare these two →2:10 faster This athlete6:43 slower -
Rotterdam6 Apr 2024Individual Open · Women1:33:27 PB279/585Beat 52%
↑ 322 days after Rotterdam 2023 0:45 worse than the field Faster on the clock, behind the field Why ↓Close ↑
6:19 faster on the clock, yet the race was 7:04 faster for everyone, so 0:45 was lost on the field.
The fieldCompare these two →7:04 faster This athlete6:19 faster -
Rotterdam20 May 2023Individual Open · Women1:39:46162/290Beat 44%
↑ 210 days after Amsterdam 2022 4:00 worse than the field Why ↓Close ↑
1:50 slower on the clock in a race that was 2:10 faster for everyone: 4:00 lost to the field.
The fieldCompare these two →2:10 faster This athlete1:50 slower -
Amsterdam22 Oct 2022Individual Open · Women1:37:56142/218Beat 35%