Progress against the field
Rhodri Roberts has gained 15:29 on the field from Manchester 2026 to Cardiff 2026.
The clock says 18:58 faster, but the races themselves got 3:29 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
2 races · 2 events
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Cardiff29 Apr 2026Individual Open · Men1:44:00 PB448/528Beat 15%
↑ 98 days after Manchester 2026 15:29 better than the field Why ↓Close ↑
18:58 faster on the clock, and the race was 3:29 faster for everyone, so 15:29 of it was this athlete.
The fieldCompare these two →3:29 faster This athlete18:58 faster -
Manchester21 Jan 2026Individual Open · Men2:02:58508/529Beat 4%