Progress against the field
Between Chicago Navy Pier 2024 and Chicago 2025, Georgianne Papacostas and Sarah Steensen pulled 1:52 ahead of the field.
The clock says 4:15 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
2 races · 2 events
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Chicago14 Nov 2025Doubles Open · Women1:24:06 PB530/1539Beat 66%
↑ 363 days after Chicago Navy Pier 2024, with Sarah Steensen 1:52 better than the field Why ↓Close ↑
1:52 better than the field: 4:15 faster on the clock, against 2:23 faster for everyone.
The fieldCompare these two →2:23 faster This pair4:15 faster -
Chicago Navy Pier16 Nov 2024Doubles Open · Women1:28:21236/447Beat 47%