Progress against the field
Between Monterrey 2025 and Mexico City 2025, Ari Daniel Kferman Alfaro and Mario Alberto Millan Jandete lost 4:14 to the field.
The races barely moved for everyone else, so 3:57 slower on the clock is close to the whole story.
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
8 races · 7 events
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Acapulco4 Sep 2026Doubles Open · Mixed1:27:10 PB108/201Beat 46%
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Stockholm18 Jun 2026Doubles Pro · Men1:20:41684/704Beat 3%
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Puebla16 May 2026Doubles Open · Men1:23:00314/814Beat 61%
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Guadalajara7 Feb 2026Doubles Pro · Men1:15:21 PB67/141Beat 53%
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Mexico City7 Nov 2025Doubles Open · Men1:22:40326/758Beat 57%
↑ 62 days after Acapulco 2025, with Mario Alberto Millan Jandete 0:08 better than the field Why ↓Close ↑
Moved with the field: 1:39 slower on the clock, against 1:47 slower for everyone.
The fieldCompare these two →1:47 slower This pair1:39 slower -
Acapulco6 Sep 2025Doubles Open · Men1:21:01244/425Beat 43%
↑ 154 days after Monterrey 2025, with Mario Alberto Millan Jandete 4:22 worse than the field Why ↓Close ↑
4:22 behind the field: 2:18 slower on the clock, against 2:04 faster for everyone.
The fieldCompare these two →2:04 faster This pair2:18 slower -
Acapulco6 Sep 2025Relay · Mixed1:13:5314/32Beat 56%
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Monterrey5 Apr 2025Doubles Open · Men1:18:43 PB208/438Beat 53%