Progress against the field
Between New York 2024 and Boston 2025, Crystal Lopez lost 45:02 to the field.
Over the same races everyone got 6:09 quicker, so 38:53 slower 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
4 races · 4 events
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Boston26 Sep 2025Individual Open · Women3:09:171286/1290Beat 0%
↑ 482 days after New York 2024 45:02 worse than the field Why ↓Close ↑
45:02 behind the field: 38:53 slower on the clock, against 6:09 faster for everyone.
The fieldCompare these two →6:09 faster This athlete38:53 slower -
Las Vegas1 Feb 2025Doubles Open · Mixed2:18:12 PB269/269Beat 0%
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New York1 Jun 2024Individual Open · Women2:30:24 PB578/592Beat 2%
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Miami BeachDate unknownIndividual Open · WomenDNF—