Progress against the field
Between New York 2025 and Las Vegas 2026, Ernesto Arcos lost 3:49 to the field.
The races barely moved for everyone else, so 3:37 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
4 races · 4 events
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Acapulco4 Sep 2026Individual Open · Men1:23:13349/1244Beat 72%
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Las Vegas20 Feb 2026Individual Open · Men1:23:12490/1739Beat 72%
↑ 266 days after New York 2025 3:49 worse than the field Why ↓Close ↑
3:37 slower on the clock in a race that was 0:12 faster for everyone: 3:49 lost to the field.
The fieldCompare these two →0:12 faster This athlete3:37 slower -
Mexico City7 Nov 2025Individual Pro · Men1:35:32 PB121/265Beat 54%
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New York30 May 2025Individual Open · Men1:19:35 PB105/403Beat 74%