Progress against the field
Between Stockholm 2024 and Birmingham 2026, Mark Alderson lost 37:54 to the field.
Over the same races everyone got 2:51 quicker, so 35:03 slower 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.
Every race
7 races · 7 events
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Birmingham31 Oct 2026Individual Open · Men2:02:06622/646Beat 4%
↑ 693 days after Stockholm 2024 37:54 worse than the field Why ↓Close ↑
35:03 slower on the clock in a race that was 2:51 faster for everyone: 37:54 lost to the field.
The fieldCompare these two →2:51 faster This athlete35:03 slower -
Stockholm7 Dec 2024Individual Open · Men1:27:03 PB252/447Beat 44%
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Katowice24 Feb 2024Doubles Open · Mixed1:09:37 PB19/81Beat 77%
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Dublin28 Oct 2023Doubles Open · Mixed1:15:1347/255Beat 82%
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Manchester28 Jan 2023Doubles Open · Mixed1:17:0567/211Beat 68%
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Birmingham15 Oct 2022Doubles Open · Men1:15:50 PB228/358Beat 36%
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World Championships NiceDate unknownDoubles Pro · Mixed1:14:01 PB267/297Beat 10%