Progress against the field
Between Sports Direct HYROX London 2024 and London 2025, Cassia Fillingham lost 4:03 to the field.
The clock says 0:18 slower, but the races themselves got 3:45 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 Excel4 Dec 2025Doubles Open · Mixed1:26:55 PB985/1372Beat 28%
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London3 May 2025Individual Open · Women1:27:03534/1368Beat 61%
↑ 155 days after London 2024 3:37 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:46 faster on the clock looks better than it was: the race was 4:23 faster for everyone, which leaves this 3:37 behind the field.
The fieldCompare these two →4:23 faster This athlete0:46 faster -
London29 Nov 2024Individual Open · Women1:27:49261/590Beat 56%
↑ 209 days after Sports Direct HYROX London 2024 0:26 worse than the field Why ↓Close ↑
0:26 behind the field: 1:04 slower on the clock, against 0:38 slower for everyone.
The fieldCompare these two →0:38 slower This athlete1:04 slower -
Sports Direct HYROX London4 May 2024Individual Open · Women1:26:45 PB511/1307Beat 61%
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London26 Nov 2023Relay · Mixed1:23:1615/43Beat 65%