Progress against the field
Between Rotterdam 2025 and Maastricht 2026, Zev Joosten and Sven Kranendonk lost 0:41 to the field.
Over the same races everyone got 6:07 quicker, so 5:26 faster on the clock looks better than it was.
Ahead of the field in 3 of 4 comparisons.
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 Sven Kranendonk, the one raced most; every comparison is in the list below.
Every race
8 races · 8 events
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Maastricht19 Sep 2026Doubles Open · Men1:08:45 PB121/457Beat 74%
↑ 177 days after Mechelen 2026, with Sven Kranendonk 0:38 better than the field Why ↓Close ↑
0:17 faster on the clock in a race that was 0:21 slower for everyone: 0:38 better than the field.
The fieldCompare these two →0:21 slower This pair0:17 faster -
Rotterdam15 Apr 2026Individual Open · MenDNF—
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Mechelen26 Mar 2026Doubles Open · Men1:09:02124/402Beat 69%
↑ 118 days after Utrecht 2025, with Sven Kranendonk 0:48 better than the field Why ↓Close ↑
0:48 better than the field: 4:22 faster on the clock, against 3:34 faster for everyone.
The fieldCompare these two →3:34 faster This pair4:22 faster -
Amsterdam21 Jan 2026Individual Open · Men1:36:03 PB1285/1620Beat 21%
↑ 468 days after Amsterdam 2024 3:08 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:04 faster on the clock, yet the race was 4:12 faster for everyone, so 3:08 was lost on the field.
The fieldCompare these two →4:12 faster This athlete1:04 faster -
Utrecht28 Nov 2025Doubles Open · Men1:13:24357/879Beat 59%
↑ 203 days after Heerenveen 2025, with Sven Kranendonk 0:30 better than the field Why ↓Close ↑
0:30 better than the field: 1:51 faster on the clock, against 1:21 faster for everyone.
The fieldCompare these two →1:21 faster This pair1:51 faster -
Heerenveen9 May 2025Doubles Open · Men1:15:15152/309Beat 51%
↑ 71 days after Rotterdam 2025, with Sven Kranendonk 2:37 worse than the field Why ↓Close ↑
2:37 behind the field: 1:04 slower on the clock, against 1:33 faster for everyone.
The fieldCompare these two →1:33 faster This pair1:04 slower -
Rotterdam27 Feb 2025Doubles Open · Men1:14:11133/316Beat 58%
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Amsterdam10 Oct 2024Individual Open · Men1:37:07485/659Beat 26%