Progress against the field
Between Chicago Navy Pier 2024 and Chicago 2025, Erin O'Leary and Melissa Alvarez pulled 11:02 ahead of the field.
The clock says 13:25 faster, but the races themselves got 2:23 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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Chicago14 Nov 2025Doubles Open · Women1:23:03 PB480/1539Beat 69%
↑ 363 days after Chicago Navy Pier 2024, with Melissa Alvarez 11:02 better than the field Why ↓Close ↑
13:25 faster on the clock, and the race was 2:23 faster for everyone, so 11:02 of it was this pair.
The fieldCompare these two →2:23 faster This pair13:25 faster -
Chicago14 Nov 2025Individual Open · Women1:37:01 PB656/1127Beat 42%
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Chicago Navy Pier16 Nov 2024Doubles Open · Women1:36:28314/447Beat 30%