Progress against the field
Between Mechelen 2026 and Stockholm 2026, Jelle Bosch and Lianne Bosch lost 4:06 to the field.
The clock says 5:48 slower, but the races themselves got 1:42 slower 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. The summary above covers Doubles Open · Mixed, with Lianne Bosch, the one raced most; every comparison is in the list below.
Every race
10 races · 10 events
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Maastricht19 Sep 2026Individual Open · Men1:23:05 PB160/394Beat 59%
↑ 295 days after Utrecht 2025 3:07 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:43 faster on the clock, yet the race was 3:50 faster for everyone, so 3:07 was lost on the field.
The fieldCompare these two →3:50 faster This athlete0:43 faster -
Stockholm18 Jun 2026Doubles Open · Mixed1:17:30702/825Beat 15%
↑ 35 days after Heerenveen 2026, with Lianne Bosch 0:00 better than the field Why ↓Close ↑
Moved with the field: 2:07 slower on the clock, against 2:07 slower for everyone.
The fieldCompare these two →2:07 slower This pair2:07 slower -
Heerenveen14 May 2026Doubles Open · Mixed1:15:23259/808Beat 68%
↑ 49 days after Mechelen 2026, with Lianne Bosch 4:06 worse than the field Why ↓Close ↑
4:06 behind the field: 3:41 slower on the clock, against 0:25 faster for everyone.
The fieldCompare these two →0:25 faster This pair3:41 slower -
Rotterdam15 Apr 2026Doubles Open · Men1:20:27 PB371/580Beat 36%
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Mechelen26 Mar 2026Doubles Open · Mixed1:11:42217/962Beat 77%
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EMEA London Olympia24 Mar 2026Doubles Open · Mixed1:11:14 PB170/359Beat 53%
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Amsterdam21 Jan 2026Doubles Open · Mixed1:12:11126/506Beat 75%
↑ 328 days after Rotterdam 2025, with Lianne Bosch 0:36 better than the field Why ↓Close ↑
0:36 better than the field: 4:08 faster on the clock, against 3:32 faster for everyone.
The fieldCompare these two →3:32 faster This pair4:08 faster -
Utrecht28 Nov 2025Individual Open · Men1:23:48208/575Beat 64%
↑ 203 days after Heerenveen 2025 0:00 better than the field Why ↓Close ↑
0:07 faster on the clock, and the race was 0:07 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →0:07 faster This athlete0:07 faster -
Heerenveen9 May 2025Individual Open · Men1:23:55146/325Beat 55%
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Rotterdam27 Feb 2025Doubles Open · Mixed1:16:1956/220Beat 75%