Progress against the field
From Rotterdam 2025 to Maastricht 2025, the field gained 1:08 on Indy Boonstra.
The races themselves barely changed, so 0:48 slower on the clock is the real picture.
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 · Men, the one raced most; every comparison is in the list below.
Every race
7 races · 5 events
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Maastricht19 Sep 2026Relay · Mixed1:01:123/69Beat 96%
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Amsterdam21 Jan 2026Doubles Open · Mixed1:14:4312/51Beat 77%
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Amsterdam21 Jan 2026Doubles Open · Mixed1:03:21 PB25/506Beat 95%
↑ 328 days after Rotterdam 2025, with Romy Hartog 1:17 better than the field Why ↓Close ↑
4:49 faster on the clock, and the race was 3:32 faster for everyone, so 1:17 of it was this pair.
The fieldCompare these two →3:32 faster This pair4:49 faster -
Maastricht19 Sep 2025Individual Open · Men1:17:36246/1352Beat 82%
↑ 204 days after Rotterdam 2025 1:08 worse than the field Why ↓Close ↑
1:08 behind the field: 0:48 slower on the clock, against 0:20 faster for everyone.
The fieldCompare these two →0:20 faster This athlete0:48 slower -
Belgium5 Apr 2025Doubles Open · Men1:11:42 PB355/898Beat 61%
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Rotterdam27 Feb 2025Doubles Open · Mixed1:08:1044/707Beat 94%
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Rotterdam27 Feb 2025Individual Open · Men1:16:48 PB127/600Beat 79%