Progress against the field
Between Ciudad de Mexico 2024 and Mexico City 2025, Kennia Perez Ruiz pulled 7:43 ahead of the field.
Over the same races everyone got 3:30 quicker, so 11:13 faster on the clock looks better than it was.
The longest gap between two races compared here, 272 days between Guadalajara 2025 and Mexico City 2025, still ended 7:43 ahead of the field.
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
4 races · 4 events
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Guadalajara7 Feb 2026Doubles Open · Mixed1:29:29 PB435/819Beat 47%
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Mexico City7 Nov 2025Individual Open · Women1:43:17 PB195/436Beat 55%
↑ 272 days after Guadalajara 2025 7:43 better than the field Why ↓Close ↑
The race was 0:48 slower for everyone and the clock still says 6:55 faster: 7:43 gained on the field.
The fieldCompare these two →0:48 slower This athlete6:55 faster -
Guadalajara8 Feb 2025Individual Open · Women1:50:12134/202Beat 34%
↑ 91 days after Ciudad de Mexico 2024 0:00 better than the field Why ↓Close ↑
4:18 faster on the clock, and the race was 4:18 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →4:18 faster This athlete4:18 faster -
Ciudad de Mexico9 Nov 2024Individual Open · Women1:54:30266/413Beat 36%