Progress against the field
Between Glasgow 2025 and Birmingham 2025, Greg Harrison lost 13:34 to the field.
Over the same races everyone got 1:03 quicker, so 12:31 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
2 races · 2 events
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Birmingham22 Oct 2025Individual Open · Men1:48:361407/1600Beat 12%
↑ 224 days after Glasgow 2025 13:34 worse than the field Why ↓Close ↑
12:31 slower on the clock in a race that was 1:03 faster for everyone: 13:34 lost to the field.
The fieldCompare these two →1:03 faster This athlete12:31 slower -
Glasgow12 Mar 2025Individual Open · Men1:36:05 PB1247/1588Beat 22%