Progress against the field
Between Ciudad de Mexico 2024 and Mexico City 2026, Paola Liliana Guerrero Hernández and José Roberto Pérez Gallardo kept pace with the field.
The clock says 4:03 faster, but the races themselves got 4:13 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
2 races · 2 events
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Mexico City29 Oct 2026Doubles Open · Mixed1:50:03 PB1264/1531Beat 17%
↑ 719 days after Ciudad de Mexico 2024, with José Roberto Pérez Gallardo 0:10 worse than the field Faster on the clock, behind the field Why ↓Close ↑
4:03 faster on the clock, yet the race was 4:13 faster for everyone, so 0:10 was lost on the field.
The fieldCompare these two →4:13 faster This pair4:03 faster -
Ciudad de Mexico9 Nov 2024Doubles Open · Mixed1:54:06451/490Beat 8%