Progress against the field
Ariel Mercado has gained 7:29 on the field from Boston 2025 to Atlanta 2025.
The clock says 8:04 faster, but the races themselves got 0:35 quicker for everyone.
The biggest step was Toronto 2025 → Atlanta 2025: 10:56 on the field in 28 days.
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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Tampa22 Oct 2026Doubles Pro · Men1:13:59 PB168/290Beat 42%
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Atlanta31 Oct 2025Individual Open · Men1:41:31 PB551/788Beat 30%
↑ 28 days after Toronto 2025 10:56 better than the field Why ↓Close ↑
10:56 better than the field: 14:13 faster on the clock, against 3:17 faster for everyone.
The fieldCompare these two →3:17 faster This athlete14:13 faster -
Toronto3 Oct 2025Individual Open · Men1:55:441040/1264Beat 18%
↑ 7 days after Boston 2025 3:27 worse than the field Why ↓Close ↑
6:09 slower on the clock in a race that was 2:42 slower for everyone: 3:27 lost to the field.
The fieldCompare these two →2:42 slower This athlete6:09 slower -
Boston26 Sep 2025Individual Open · Men1:49:351220/1463Beat 17%