Progress against the field
Between London Excel 2025 and Cardiff 2026, Ethan Grimwood and Byron Grimwood lost 3:23 to the field.
The races barely moved for everyone else, so 3:05 slower on the clock is close to the whole story.
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 2026Doubles Open · Men1:06:0271/271Beat 74%
↑ 146 days after London Excel 2025, with Byron Grimwood 3:23 worse than the field Why ↓Close ↑
3:23 behind the field: 3:05 slower on the clock, against 0:18 faster for everyone.
The fieldCompare these two →0:18 faster This pair3:05 slower -
London Excel4 Dec 2025Doubles Open · Men1:02:57 PB309/1815Beat 83%