Progress against the field
From Amsterdam 2026 to Heerenveen 2026, Jos Lamers and Arjen Radder got 0:18 faster than the field.
Over the same races everyone got 1:25 quicker, so 1:43 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 Arjen Radder, the one raced most; every comparison is in the list below.
Every race
7 races · 6 events
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Stockholm18 Jun 2026Doubles Open · Men1:07:573/77Beat 96%
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Heerenveen14 May 2026Doubles Open · Men1:06:45 PB111/535Beat 79%
↑ 29 days after Rotterdam 2026, with Arjen Radder 0:20 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:10 faster on the clock looks better than it was: the race was 1:30 faster for everyone, which leaves this 0:20 behind the field.
The fieldCompare these two →1:30 faster This pair1:10 faster -
Rotterdam15 Apr 2026Doubles Open · Men1:07:55108/580Beat 81%
↑ 84 days after Amsterdam 2026, with Arjen Radder 0:38 better than the field Why ↓Close ↑
0:33 faster on the clock in a race that was 0:05 slower for everyone: 0:38 better than the field.
The fieldCompare these two →0:05 slower This pair0:33 faster -
Amsterdam21 Jan 2026Doubles Open · Men1:08:28314/994Beat 68%
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Maastricht19 Sep 2025Doubles Open · MenDNF—
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Maastricht19 Sep 2025Individual Open · Men1:34:34830/1352Beat 39%
↑ 133 days after Heerenveen 2025 5:19 worse than the field Why ↓Close ↑
5:19 behind the field: 7:01 slower on the clock, against 1:42 slower for everyone.
The fieldCompare these two →1:42 slower This athlete7:01 slower -
Heerenveen9 May 2025Individual Open · Men1:27:33 PB696/1217Beat 43%