Progress against the field
Between London 2025 and Manchester 2026, Oliver De Rosenwerth lost 10:56 to the field.
The clock says 8:17 slower, but the races themselves got 2:39 quicker 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.
Every race
5 races · 5 events
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Manchester21 Jan 2026Individual Open · Men1:39:521173/1463Beat 20%
↑ 91 days after Birmingham 2025 6:32 worse than the field Why ↓Close ↑
5:29 slower on the clock in a race that was 1:03 faster for everyone: 6:32 lost to the field.
The fieldCompare these two →1:03 faster This athlete5:29 slower -
Birmingham22 Oct 2025Individual Open · Men1:34:231317/1821Beat 28%
↑ 145 days after Cardiff 2025 3:49 worse than the field Why ↓Close ↑
3:49 behind the field: 1:13 slower on the clock, against 2:36 faster for everyone.
The fieldCompare these two →2:36 faster This athlete1:13 slower -
Cardiff30 May 2025Individual Open · Men1:33:10480/639Beat 25%
↑ 27 days after London 2025 0:35 worse than the field Why ↓Close ↑
0:35 behind the field: 1:35 slower on the clock, against 1:00 slower for everyone.
The fieldCompare these two →1:00 slower This athlete1:35 slower -
London3 May 2025Individual Open · Men1:31:35 PB1418/1917Beat 26%
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Glasgow12 Mar 2025Doubles Open · Men1:10:04 PB477/947Beat 50%