Progress against the field
Between Amsterdam 2023 and Heerenveen 2025, Niek Spangenberg lost 5:26 to the field.
Over the same races everyone got 10:49 quicker, so 5:23 faster on the clock looks better than it was.
398 days between Rotterdam 2024 and Heerenveen 2025 is the longest gap compared here, and the second race was 9:19 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
5 races · 4 events
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Heerenveen9 May 2025Individual Open · Men1:54:261158/1217Beat 5%
↑ 398 days after Rotterdam 2024 9:19 worse than the field Why ↓Close ↑
1:00 slower on the clock in a race that was 8:19 faster for everyone: 9:19 lost to the field.
The fieldCompare these two →8:19 faster This athlete1:00 slower -
Heerenveen9 May 2025Relay · Mixed1:22:1231/40Beat 23%
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Amsterdam10 Oct 2024Doubles Open · Men1:29:54 PB752/855Beat 12%
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Rotterdam6 Apr 2024Individual Open · Men1:53:26 PB1231/1380Beat 11%
↑ 154 days after Amsterdam 2023 3:53 better than the field Why ↓Close ↑
6:23 faster on the clock, and the race was 2:30 faster for everyone, so 3:53 of it was this athlete.
The fieldCompare these two →2:30 faster This athlete6:23 faster -
Amsterdam4 Nov 2023Individual Open · Men1:59:491019/1079Beat 6%