Progress against the field
Between Cardiff 2026 and Birmingham 2026, Calum surman and Marcus Boobier pulled 6:17 ahead of the field.
The clock says 7:53 faster, but the races themselves got 1:36 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
4 races · 4 events
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Birmingham31 Oct 2026Doubles Open · Men1:00:00 PB121/1035Beat 88%
↑ 185 days after Cardiff 2026, with Marcus Boobier 6:17 better than the field Why ↓Close ↑
6:17 better than the field: 7:53 faster on the clock, against 1:36 faster for everyone.
The fieldCompare these two →1:36 faster This pair7:53 faster -
Cardiff29 Apr 2026Doubles Open · Men1:07:53176/478Beat 63%
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London Excel4 Dec 2025Relay · Mixed1:08:1041/126Beat 68%
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Cardiff30 May 2025Individual Open · Men1:15:00 PB160/639Beat 75%