Progress against the field
Between Amsterdam 2023 and Amsterdam 2026, Dennis Gerritzen lost 10:51 to the field.
The clock says 4:44 faster, but the races themselves got 15:35 quicker for everyone.
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
9 races · 8 events
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Heerenveen14 May 2026Relay · Men1:06:3717/55Beat 69%
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Heerenveen14 May 2026Doubles Open · Men1:02:42 PB56/535Beat 90%
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Amsterdam21 Jan 2026Individual Open · Men1:09:47 PB176/1620Beat 89%
↑ 124 days after Maastricht 2025 4:20 worse than the field Faster on the clock, behind the field Why ↓Close ↑
3:39 faster on the clock, yet the race was 7:59 faster for everyone, so 4:20 was lost on the field.
The fieldCompare these two →7:59 faster This athlete3:39 faster -
Utrecht28 Nov 2025Individual Pro · Men1:24:02 PB102/215Beat 53%
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Maastricht19 Sep 2025Individual Open · Men1:13:26142/1352Beat 90%
↑ 204 days after Rotterdam 2025 2:20 worse than the field Why ↓Close ↑
2:00 slower on the clock in a race that was 0:20 faster for everyone: 2:20 lost to the field.
The fieldCompare these two →0:20 faster This athlete2:00 slower -
Rotterdam27 Feb 2025Individual Open · Men1:11:2655/584Beat 91%
↑ 404 days after Maastricht 2024 0:46 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:29 faster on the clock, yet the race was 2:15 faster for everyone, so 0:46 was lost on the field.
The fieldCompare these two →2:15 faster This athlete1:29 faster -
Maastricht20 Jan 2024Individual Open · Men1:12:5588/781Beat 89%
↑ 77 days after Amsterdam 2023 3:25 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:36 faster on the clock, yet the race was 5:01 faster for everyone, so 3:25 was lost on the field.
The fieldCompare these two →5:01 faster This athlete1:36 faster -
Amsterdam4 Nov 2023Individual Open · Men1:14:31101/1079Beat 91%
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Rotterdam20 May 2023Doubles Open · Men1:04:4432/249Beat 87%