Progress against the field
Between Guadalajara 2025 and Monterrey 2025, Mario Fernández Zarza pulled 15:56 ahead of the field.
Over the same races everyone got 6:54 quicker, so 22:50 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
6 races · 6 events
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Mexico City29 Oct 2026Doubles Open · Mixed1:24:24 PB392/1531Beat 74%
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Mexico City7 Nov 2025Individual Pro · Men1:39:14 PB143/265Beat 46%
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Monterrey5 Apr 2025Individual Open · Men1:19:53 PB116/750Beat 85%
↑ 56 days after Guadalajara 2025 15:56 better than the field Why ↓Close ↑
15:56 better than the field: 22:50 faster on the clock, against 6:54 faster for everyone.
The fieldCompare these two →6:54 faster This athlete22:50 faster -
Guadalajara8 Feb 2025Individual Open · Men1:42:43344/518Beat 34%
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Ciudad de Mexico9 Nov 2024Doubles Pro · Men1:22:43 PB37/58Beat 36%
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Mexico City20 Apr 2024Doubles Open · Men1:32:49 PB137/197Beat 31%