Progress against the field
Between New York 2025 and Boston 2025, Rich Fleck and Brianna Perry pulled 15:19 ahead of the field.
The clock says 18:09 faster, but the races themselves got 2:50 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
4 races · 4 events
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Boston8 Oct 2026Individual Open · MenDNF—
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New York28 May 2026Doubles Open · Mixed1:22:31262/1034Beat 75%
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Boston26 Sep 2025Doubles Open · Mixed1:20:00 PB498/1259Beat 60%
↑ 119 days after New York 2025, with Brianna Perry 15:19 better than the field Why ↓Close ↑
18:09 faster on the clock, and the race was 2:50 faster for everyone, so 15:19 of it was this pair.
The fieldCompare these two →2:50 faster This pair18:09 faster -
New York30 May 2025Doubles Open · Mixed1:38:09630/709Beat 11%