Progress against the field
Between Atlanta 2025 and Boston 2026, Sebastian Velasquez lost 0:44 to the field.
Over the same races everyone got 3:34 quicker, so 2:50 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
3 races · 3 events
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Boston8 Oct 2026Individual Open · Men1:38:00 PB772/1233Beat 37%
↑ 342 days after Atlanta 2025 0:44 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:50 faster on the clock, yet the race was 3:34 faster for everyone, so 0:44 was lost on the field.
The fieldCompare these two →3:34 faster This athlete2:50 faster -
Phoenix29 Jan 2026Doubles Open · Mixed1:29:02 PB659/1059Beat 38%
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Atlanta31 Oct 2025Individual Open · Men1:40:50546/788Beat 31%