Progress against the field
From Washington DC 2026 to Boston 2026, the field gained 5:53 on Ericka Mapson and Tiffany Parkes Moscova.
The clock says 3:17 slower, but the races themselves got 2:36 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 2026Doubles Open · Women2:27:10737/742Beat 1%
↑ 35 days after Washington DC 2026, with Tiffany Parkes Moscova 5:53 worse than the field Why ↓Close ↑
3:17 slower on the clock in a race that was 2:36 faster for everyone: 5:53 lost to the field.
The fieldCompare these two →2:36 faster This pair3:17 slower -
Washington DC3 Sep 2026Doubles Open · Women2:23:53 PB686/706Beat 3%
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Houston26 Mar 2026Individual Open · Women2:47:42 PB635/648Beat 2%