Progress against the field
Between Monterrey 2026 and Mexico City 2026, Mariana De la rosa pulled 0:51 ahead of the field.
The clock says 3:15 slower, but the races themselves got 4:06 slower 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 2026Individual Open · Women1:37:49304/1301Beat 77%
↑ 194 days after Monterrey 2026 0:51 better than the field Slower on the clock, ahead of the field Why ↓Close ↑
3:15 slower on the clock in a race that was 4:06 slower for everyone: 0:51 gained on the field, which the clock hides.
The fieldCompare these two →4:06 slower This athlete3:15 slower -
Monterrey18 Apr 2026Individual Open · Women1:34:34 PB288/866Beat 67%