Progress against the field
Between Mechelen 2026 and Heerenveen 2026, Sven Wierda and Dave Agterhof pulled 0:45 ahead of the field.
Over the same races everyone got 1:49 quicker, so 2:34 faster on the clock looks better than it was.
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 Doubles Open · Men, with Dave Agterhof, the one raced most; every comparison is in the list below.
Every race
33 races · 25 events
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Geneva9 Oct 2026Individual Pro · Men1:09:51 PB109/478Beat 77%
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Geneva9 Oct 2026Doubles Open · Men54:22 PB3/1072Beat 100%
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Mumbai17 Sep 2026Relay · Men58:394/73Beat 95%
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Mumbai17 Sep 2026Doubles Open · Men55:391/818Beat 100%
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Mumbai17 Sep 2026Doubles Pro · Men57:5612/181Beat 93%
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Athens5 Sep 2026Doubles Open · Men55:542/255Beat 99%
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Istanbul1 Aug 2026Doubles Open · Mixed1:05:26 PB56/492Beat 89%
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Riga30 May 2026Doubles Open · Men54:286/423Beat 99%
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Riga30 May 2026Doubles Pro · Men56:46 PB14/112Beat 88%
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Berlin22 May 2026Individual Open · Men1:05:3734/704Beat 95%
↑ 57 days after Mechelen 2026 0:48 worse than the field Why ↓Close ↑
2:23 slower on the clock in a race that was 1:35 slower for everyone: 0:48 lost to the field.
The fieldCompare these two →1:35 slower This athlete2:23 slower -
Heerenveen14 May 2026Doubles Open · Men54:242/494Beat 100%
↑ 29 days after Rotterdam 2026, with Dave Agterhof 1:00 better than the field Why ↓Close ↑
2:30 faster on the clock, and the race was 1:30 faster for everyone, so 1:00 of it was this pair.
The fieldCompare these two →1:30 faster This pair2:30 faster -
Cardiff29 Apr 2026Doubles Pro · Men58:5556/302Beat 82%
↑ 146 days after London Excel 2025, with Dave Agterhof 1:20 better than the field Why ↓Close ↑
The race was 1:18 slower for everyone and the clock still says 0:02 faster: 1:20 gained on the field.
The fieldCompare these two →1:18 slower This pair0:02 faster -
Rotterdam15 Apr 2026Doubles Open · Men56:5410/674Beat 99%
↑ 20 days after Mechelen 2026, with Dave Agterhof 0:15 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:04 faster on the clock, yet the race was 0:19 faster for everyone, so 0:15 was lost on the field.
The fieldCompare these two →0:19 faster This pair0:04 faster -
Rotterdam15 Apr 2026Doubles Open · Mixed1:10:4861/560Beat 89%
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Mechelen26 Mar 2026Relay · Mixed57:352/67Beat 97%
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Mechelen26 Mar 2026Doubles Open · Men56:5810/867Beat 99%
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Mechelen26 Mar 2026Individual Open · Men1:03:14 PB33/747Beat 96%
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Bilbao7 Feb 2026Doubles Open · Men55:0711/861Beat 99%
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Bilbao7 Feb 2026Individual Open · Men1:04:05101/1500Beat 93%
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Amsterdam21 Jan 2026Individual Pro · Men1:14:3850/107Beat 53%
↑ 54 days after Utrecht 2025 2:41 better than the field Why ↓Close ↑
2:41 better than the field: 7:17 faster on the clock, against 4:36 faster for everyone.
The fieldCompare these two →4:36 faster This athlete7:17 faster -
Stockholm18 Dec 2025Doubles Open · Men56:193/382Beat 99%
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Gent12 Dec 2025Doubles Open · Men58:5835/1164Beat 97%
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London Excel4 Dec 2025Doubles Pro · Men58:5744/263Beat 83%
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Utrecht28 Nov 2025Individual Pro · Men1:21:5591/215Beat 58%
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Hamburg2 Oct 2025Doubles Open · Men56:492/250Beat 99%
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Oslo26 Sep 2025Doubles Pro · Men1:01:3720/102Beat 80%
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Maastricht19 Sep 2025Individual Open · Men1:09:5536/584Beat 94%
↑ 204 days after Rotterdam 2025 9:38 better than the field Why ↓Close ↑
9:58 faster on the clock, and the race was 0:20 faster for everyone, so 9:38 of it was this athlete.
The fieldCompare these two →0:20 faster This athlete9:58 faster -
Delhi19 Jul 2025Doubles Open · Men1:03:431/209Beat 100%
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Heerenveen9 May 2025Doubles Open · Men59:2117/529Beat 97%
↑ 34 days after Belgium 2025, with Dave Agterhof 2:40 better than the field Why ↓Close ↑
2:40 better than the field: 4:38 faster on the clock, against 1:58 faster for everyone.
The fieldCompare these two →1:58 faster This pair4:38 faster -
Cologne10 Apr 2025Doubles Pro · Men1:04:1924/87Beat 72%
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Belgium5 Apr 2025Doubles Open · Men1:03:59113/898Beat 87%
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Rotterdam27 Feb 2025Individual Open · Men1:19:53183/600Beat 70%
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Amsterdam10 Oct 2024Doubles Open · Mixed1:40:32318/376Beat 15%