Progress against the field
Between Hamburg 2024 and Berlin 2026, Lukas Kleczek pulled 1:43 ahead of the field.
The clock says 6:31 faster, but the races themselves got 4:48 quicker for everyone.
The biggest step was Berlin 2025 → Stuttgart 2025: 5:02 on the field in 168 days.
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 Individual Open · Men, the one raced most; every comparison is in the list below.
Every race
9 races · 9 events
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Stockholm18 Jun 2026Doubles Pro · Men57:05207/704Beat 71%
↑ 64 days after Rotterdam 2026, with Piotr Tomczyk 0:58 better than the field Slower on the clock, ahead of the field Why ↓Close ↑
0:59 slower on the clock, but the race was 1:57 slower for everyone, so this was 0:58 better than the field.
The fieldCompare these two →1:57 slower This pair0:59 slower -
Berlin22 May 2026Individual Open · Men1:02:29 PB13/1097Beat 99%
↑ 203 days after Stuttgart 2025 0:29 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:21 faster on the clock looks better than it was: the race was 2:50 faster for everyone, which leaves this 0:29 behind the field.
The fieldCompare these two →2:50 faster This athlete2:21 faster -
Rotterdam15 Apr 2026Doubles Pro · Men56:0620/385Beat 95%
↑ 20 days after Mechelen 2026, with Piotr Tomczyk 0:56 worse than the field Why ↓Close ↑
0:33 slower on the clock in a race that was 0:23 faster for everyone: 0:56 lost to the field.
The fieldCompare these two →0:23 faster This pair0:33 slower -
Mechelen26 Mar 2026Doubles Pro · Men55:33 PB31/493Beat 94%
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Stuttgart31 Oct 2025Individual Open · Men1:04:5029/1171Beat 98%
↑ 168 days after Berlin 2025 5:02 better than the field Why ↓Close ↑
2:04 faster on the clock in a race that was 2:58 slower for everyone: 5:02 better than the field.
The fieldCompare these two →2:58 slower This athlete2:04 faster -
Hamburg2 Oct 2025Doubles Pro · Men58:5718/240Beat 93%
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Berlin16 May 2025Individual Open · Men1:06:54170/1851Beat 91%
↑ 195 days after Hamburg 2024 2:50 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:06 faster on the clock, yet the race was 4:56 faster for everyone, so 2:50 was lost on the field.
The fieldCompare these two →4:56 faster This athlete2:06 faster -
Cologne10 Apr 2025Doubles Pro · Men59:579/76Beat 88%
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Hamburg2 Nov 2024Individual Open · Men1:09:0089/1248Beat 93%