Progress against the field
Diane Gusmini and Rosemary Reilly-Chammat have dropped 10:06 behind the field from Boston 2025 to Boston 2026.
The clock says 7:58 slower, but the races themselves got 2:08 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
2 races · 2 events
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Boston8 Oct 2026Doubles Open · Women2:28:24738/742Beat 1%
↑ 377 days after Boston 2025, with Rosemary Reilly-Chammat 10:06 worse than the field Why ↓Close ↑
7:58 slower on the clock in a race that was 2:08 faster for everyone: 10:06 lost to the field.
The fieldCompare these two →2:08 faster This pair7:58 slower -
Boston26 Sep 2025Doubles Open · Women2:20:26 PB1418/1424Beat 0%