Progress against the field
Between Monterrey 2025 and Guadalajara 2026, Alexandra Burciaga Marquez lost 3:28 to the field.
The clock says 2:32 slower, but the races themselves got 0:56 quicker for everyone.
The largest gain on the field came from Monterrey 2025 → Acapulco 2025: 2:26 in 154 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
3 races · 3 events
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Guadalajara7 Feb 2026Individual Open · Women1:31:21126/661Beat 81%
↑ 154 days after Acapulco 2025 5:54 worse than the field Why ↓Close ↑
5:54 behind the field: 7:26 slower on the clock, against 1:32 slower for everyone.
The fieldCompare these two →1:32 slower This athlete7:26 slower -
Acapulco6 Sep 2025Individual Open · Women1:23:55 PB50/398Beat 87%
↑ 154 days after Monterrey 2025 2:26 better than the field Why ↓Close ↑
4:54 faster on the clock, and the race was 2:28 faster for everyone, so 2:26 of it was this athlete.
The fieldCompare these two →2:28 faster This athlete4:54 faster -
Monterrey5 Apr 2025Individual Open · Women1:28:4973/308Beat 76%