Progress against the field
Jennifer Marks and Madison Brown have dropped 2:25 behind the field from Chicago 2025 to Boston 2026.
The clock says 1:32 faster, but the races themselves got 3:57 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
5 races · 5 events
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Boston8 Oct 2026Doubles Open · Women1:20:06 PB116/426Beat 73%
↑ 328 days after Chicago 2025, with Madison Brown 2:25 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:32 faster on the clock, yet the race was 3:57 faster for everyone, so 2:25 was lost on the field.
The fieldCompare these two →3:57 faster This pair1:32 faster -
Houston26 Mar 2026Doubles Open · Mixed1:34:31 PB791/1215Beat 35%
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Chicago14 Nov 2025Doubles Open · Women1:21:38403/1539Beat 74%
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Anaheim7 Dec 2024Doubles Open · Mixed2:02:27213/223Beat 5%
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Los Angeles16 Dec 2023Doubles Open · Women1:35:2283/129Beat 36%