Progress against the field
From Boston 2025 to Boston 2026, Heather Cardoza and Brad Cardoza got 11:14 faster than the field.
The clock says 13:41 faster, but the races themselves got 2:27 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 · 2 events
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Boston8 Oct 2026Doubles Open · Mixed1:32:31 PB733/1096Beat 33%
↑ 377 days after Boston 2025, with Brad Cardoza 11:14 better than the field Why ↓Close ↑
11:14 better than the field: 13:41 faster on the clock, against 2:27 faster for everyone.
The fieldCompare these two →2:27 faster This pair13:41 faster -
Boston8 Oct 2026Relay · Women1:24:1732/78Beat 59%
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Boston26 Sep 2025Doubles Open · Mixed1:46:121168/1259Beat 7%