Progress against the field
Between Birmingham 2024 and London Excel 2025, Rhianna Marchant-Brown and Simon Marchant-Brown lost 0:35 to the field.
The clock says 6:29 faster, but the races themselves got 7:04 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
5 races · 5 events
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London Olympia24 Mar 2026Relay · Women1:06:5511/144Beat 92%
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London Excel4 Dec 2025Doubles Open · Mixed1:13:01 PB365/1372Beat 73%
↑ 22 days after Dublin 2025, with Simon Marchant-Brown 0:16 better than the field Why ↓Close ↑
0:16 better than the field: 2:16 faster on the clock, against 2:00 faster for everyone.
The fieldCompare these two →2:00 faster This pair2:16 faster -
Dublin12 Nov 2025Doubles Open · Mixed1:15:17199/594Beat 67%
↑ 383 days after Birmingham 2024, with Simon Marchant-Brown 0:51 worse than the field Faster on the clock, behind the field Why ↓Close ↑
4:13 faster on the clock, yet the race was 5:04 faster for everyone, so 0:51 was lost on the field.
The fieldCompare these two →5:04 faster This pair4:13 faster -
London29 Nov 2024Doubles Open · Women1:11:23 PB101/1150Beat 91%
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Birmingham25 Oct 2024Doubles Open · Mixed1:19:30446/894Beat 50%