Progress against the field
From Boston 2025 to Boston 2026, Daria Daspin and Beth Portolese got 10:14 faster than the field.
The clock says 12:22 faster, 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
4 races · 4 events
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Boston8 Oct 2026Doubles Open · Women1:44:05 PB529/691Beat 23%
↑ 377 days after Boston 2025, with Beth Portolese 10:14 better than the field Why ↓Close ↑
12:22 faster on the clock, and the race was 2:08 faster for everyone, so 10:14 of it was this pair.
The fieldCompare these two →2:08 faster This pair12:22 faster -
Washington DC3 Sep 2026Doubles Pro · Women1:10:57 PB51/223Beat 77%
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Toronto3 Oct 2025Doubles Pro · Women1:11:1013/98Beat 87%
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Boston26 Sep 2025Doubles Open · Women1:56:271367/1424Beat 4%