Progress against the field
Jolanda Oostinga has dropped 16:40 behind the field from Amsterdam 2022 to Rotterdam 2026.
The clock says 3:33 faster, but the races themselves got 20:13 quicker for everyone.
The longest gap between two races compared here, 208 days between Maastricht 2025 and Rotterdam 2026, still ended 1:48 ahead of 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
14 races · 14 events
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Maastricht19 Sep 2026Doubles Open · Mixed1:29:20 PB447/687Beat 35%
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Rotterdam15 Apr 2026Individual Open · Women1:43:39479/695Beat 31%
↑ 208 days after Maastricht 2025 1:48 better than the field Why ↓Close ↑
1:48 better than the field: 6:10 faster on the clock, against 4:22 faster for everyone.
The fieldCompare these two →4:22 faster This athlete6:10 faster -
Utrecht28 Nov 2025Doubles Pro · Women1:33:10 PB83/102Beat 19%
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Maastricht19 Sep 2025Individual Open · Women1:49:49260/348Beat 25%
↑ 167 days after Belgium 2025 9:54 worse than the field Why ↓Close ↑
9:30 slower on the clock in a race that was 0:24 faster for everyone: 9:54 lost to the field.
The fieldCompare these two →0:24 faster This athlete9:30 slower -
Belgium5 Apr 2025Individual Open · Women1:40:19510/765Beat 33%
↑ 177 days after Amsterdam 2024 3:20 worse than the field Why ↓Close ↑
1:08 slower on the clock in a race that was 2:12 faster for everyone: 3:20 lost to the field.
The fieldCompare these two →2:12 faster This athlete1:08 slower -
Malaga21 Mar 2025Individual Open · WomenDNF—
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Amsterdam10 Oct 2024Individual Open · Women1:39:11421/678Beat 38%
↑ 187 days after Rotterdam 2024 5:04 worse than the field Why ↓Close ↑
3:22 slower on the clock in a race that was 1:42 faster for everyone: 5:04 lost to the field.
The fieldCompare these two →1:42 faster This athlete3:22 slower -
Rotterdam6 Apr 2024Individual Open · Women1:35:49325/585Beat 44%
↑ 77 days after Maastricht 2024 3:33 worse than the field Why ↓Close ↑
3:33 behind the field: 1:11 slower on the clock, against 2:22 faster for everyone.
The fieldCompare these two →2:22 faster This athlete1:11 slower -
Maastricht20 Jan 2024Individual Open · Women1:34:38 PB190/314Beat 40%
↑ 77 days after Amsterdam 2023 0:15 worse than the field Faster on the clock, behind the field Why ↓Close ↑
4:13 faster on the clock looks better than it was: the race was 4:28 faster for everyone, which leaves this 0:15 behind the field.
The fieldCompare these two →4:28 faster This athlete4:13 faster -
Amsterdam4 Nov 2023Individual Open · Women1:38:51232/394Beat 41%
↑ 168 days after Rotterdam 2023 3:41 worse than the field Why ↓Close ↑
1:49 slower on the clock in a race that was 1:52 faster for everyone: 3:41 lost to the field.
The fieldCompare these two →1:52 faster This athlete1:49 slower -
Rotterdam20 May 2023Individual Open · Women1:37:02137/290Beat 53%
↑ 119 days after Maastricht European Championships 2023 3:34 better than the field Why ↓Close ↑
3:55 faster on the clock, and the race was 0:21 faster for everyone, so 3:34 of it was this athlete.
The fieldCompare these two →0:21 faster This athlete3:55 faster -
Maastricht European Championships21 Jan 2023Individual Open · Women1:40:57203/258Beat 21%
↑ 91 days after Amsterdam 2022 3:45 better than the field Why ↓Close ↑
3:45 better than the field: 6:15 faster on the clock, against 2:30 faster for everyone.
The fieldCompare these two →2:30 faster This athlete6:15 faster -
Amsterdam22 Oct 2022Individual Open · Women1:47:12179/218Beat 18%
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KölnDate unknownDoubles Open · Mixed1:30:18491/598Beat 18%