Progress against the field
Megan van der Spek has gained 9:34 on the field from Amsterdam 2023 to Heerenveen 2026.
Over the same races everyone got 9:01 quicker, so 18:35 faster on the clock looks better than it was.
441 days between Rotterdam 2025 and Heerenveen 2026 is the longest gap compared here, and the second race was 2:41 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. The summary above covers Individual Open · Women, the one raced most; every comparison is in the list below.
Every race
6 races · 6 events
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Heerenveen14 May 2026Individual Open · Women1:20:57 PB71/427Beat 83%
↑ 441 days after Rotterdam 2025 2:41 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:48 faster on the clock, yet the race was 3:29 faster for everyone, so 2:41 was lost on the field.
The fieldCompare these two →3:29 faster This athlete0:48 faster -
Rotterdam15 Apr 2026Individual Pro · Women1:29:24 PB81/128Beat 37%
↑ 84 days after Amsterdam 2026 6:14 better than the field Why ↓Close ↑
6:24 faster on the clock, and the race was 0:10 faster for everyone, so 6:14 of it was this athlete.
The fieldCompare these two →0:10 faster This athlete6:24 faster -
Amsterdam21 Jan 2026Individual Pro · Women1:35:48111/128Beat 13%
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Rotterdam27 Feb 2025Individual Open · Women1:21:4570/411Beat 83%
↑ 140 days after Amsterdam 2024 6:53 better than the field Why ↓Close ↑
6:53 better than the field: 9:42 faster on the clock, against 2:49 faster for everyone.
The fieldCompare these two →2:49 faster This athlete9:42 faster -
Amsterdam10 Oct 2024Individual Open · Women1:31:27295/678Beat 57%
↑ 341 days after Amsterdam 2023 5:22 better than the field Why ↓Close ↑
5:22 better than the field: 8:05 faster on the clock, against 2:43 faster for everyone.
The fieldCompare these two →2:43 faster This athlete8:05 faster -
Amsterdam4 Nov 2023Individual Open · Women1:39:32241/394Beat 39%