Progress against the field
Between Monterrey 2026 and Mexico City 2026, Blanca Yesenia López Chávez lost 2:09 to the field.
Over the same races everyone got 0:57 slower, so 3:06 slower on the clock looks worse than it was.
The largest gain on the field came from Monterrey 2026 → Puebla 2026: 4:06 in 28 days.
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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Mexico City29 Oct 2026Individual Open · Women1:23:2650/1301Beat 96%
↑ 166 days after Puebla 2026 6:15 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:03 faster on the clock, yet the race was 8:18 faster for everyone, so 6:15 was lost on the field.
The fieldCompare these two →8:18 faster This athlete2:03 faster -
Acapulco4 Sep 2026Doubles Open · Women1:15:45 PB85/863Beat 90%
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Puebla16 May 2026Individual Open · Women1:25:2938/853Beat 96%
↑ 28 days after Monterrey 2026 4:06 better than the field Slower on the clock, ahead of the field Why ↓Close ↑
5:09 slower on the clock, but the race was 9:15 slower for everyone, so this was 4:06 better than the field.
The fieldCompare these two →9:15 slower This athlete5:09 slower -
Monterrey18 Apr 2026Individual Open · Women1:20:20 PB62/866Beat 93%
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Guadalajara7 Feb 2026Doubles Open · Women1:24:09145/710Beat 80%