Progress against the field
From Boston 2025 to Miami 2026, the field gained 3:16 on Christine Schaffer.
The clock says 0:09 faster, but the races themselves got 3:25 quicker for everyone.
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
5 races · 5 events
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New York28 May 2026Doubles Open · Women1:58:321056/1144Beat 8%
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Miami3 Apr 2026Individual Open · Women1:30:23430/1320Beat 67%
↑ 133 days after Dallas 2025 3:22 worse than the field Why ↓Close ↑
3:22 behind the field: 2:26 slower on the clock, against 0:56 faster for everyone.
The fieldCompare these two →0:56 faster This athlete2:26 slower -
Dallas21 Nov 2025Individual Open · Women1:27:57 PB415/1494Beat 72%
↑ 56 days after Boston 2025 0:06 better than the field Why ↓Close ↑
2:35 faster on the clock, and the race was 2:29 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →2:29 faster This athlete2:35 faster -
Atlanta31 Oct 2025Doubles Open · Women1:19:19 PB104/596Beat 83%
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Boston26 Sep 2025Individual Open · Women1:30:32500/1290Beat 61%