Progress against the field
Between Mexico City 2025 and Guadalajara 2026, Gemma Magali Guzman Hernandez pulled 3:28 ahead of the field.
Over the same races everyone got 1:41 quicker, so 5:09 faster on the clock looks better than it was.
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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Guadalajara7 Feb 2026Individual Pro · Women2:09:43103/115Beat 10%
↑ 92 days after Mexico City 2025 3:28 better than the field Why ↓Close ↑
5:09 faster on the clock, and the race was 1:41 faster for everyone, so 3:28 of it was this athlete.
The fieldCompare these two →1:41 faster This athlete5:09 faster -
Mexico City7 Nov 2025Individual Pro · Women2:14:52120/130Beat 8%
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Acapulco6 Sep 2025Individual Pro · Women2:04:5382/99Beat 17%
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Monterrey5 Apr 2025Individual Pro · Women1:57:41 PB36/41Beat 12%
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Guadalajara8 Feb 2025Individual Open · Women2:36:06 PB197/202Beat 3%