Progress against the field
From New York 2025 to Boston 2025, Brianna Perry and Rich Fleck got 15:19 faster than 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
3 races · 3 events
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Boston8 Oct 2026Relay · Mixed1:27:0754/85Beat 37%
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Boston26 Sep 2025Doubles Open · Mixed1:20:00 PB498/1259Beat 60%
↑ 119 days after New York 2025, with Rich Fleck 15:19 better than the field Why ↓Close ↑
15:19 better than the field: 18:09 faster on the clock, against 2:50 faster for everyone.
The fieldCompare these two →2:50 faster This pair18:09 faster -
New York30 May 2025Doubles Open · Mixed1:38:09630/709Beat 11%