Progress against the field
Between Boston 2025 and Phoenix 2026, Theresa Kosolofski lost 3:41 to the field.
Over the same races everyone got 0:32 quicker, so 3:09 slower on the clock looks better than it was.
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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Ottawa14 May 2026Individual Pro · Women1:22:4224/55Beat 56%
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Phoenix29 Jan 2026Individual Pro · Women1:21:34138/294Beat 53%
↑ 125 days after Boston 2025 3:41 worse than the field Why ↓Close ↑
3:41 behind the field: 3:09 slower on the clock, against 0:32 faster for everyone.
The fieldCompare these two →0:32 faster This athlete3:09 slower -
Boston26 Sep 2025Individual Pro · Women1:18:25 PB55/159Beat 65%
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New York30 May 2025Individual Open · Women1:14:34 PB43/781Beat 95%
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Toronto5 Oct 2024Individual Pro · Women1:33:5711/16Beat 31%