Progress against the field
Jen Willoughby has gained 1:23 on the field from Boston 2025 to Phoenix 2026.
Over the same races everyone got 5:45 quicker, so 7:08 faster 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. The summary above covers Individual Open · Women, the one raced most; every comparison is in the list below.
Every race
5 races · 5 events
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Phoenix29 Jan 2026Individual Open · Women1:23:42 PB133/550Beat 76%
↑ 48 days after Anaheim 2025 1:12 better than the field Why ↓Close ↑
6:53 faster on the clock, and the race was 5:41 faster for everyone, so 1:12 of it was this athlete.
The fieldCompare these two →5:41 faster This athlete6:53 faster -
Anaheim12 Dec 2025Individual Open · Women1:30:35351/1383Beat 75%
↑ 77 days after Boston 2025 0:11 better than the field Why ↓Close ↑
0:15 faster on the clock, and the race was 0:04 faster for everyone, so 0:11 of it was this athlete.
The fieldCompare these two →0:04 faster This athlete0:15 faster -
Boston26 Sep 2025Individual Open · Women1:30:50509/1290Beat 61%
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Anaheim7 Dec 2024Individual Open · Women1:32:09139/405Beat 66%
↑ 202 days after Gainful Anaheim 2024 1:41 worse than the field Why ↓Close ↑
1:41 behind the field: 1:25 slower on the clock, against 0:16 faster for everyone.
The fieldCompare these two →0:16 faster This athlete1:25 slower -
Gainful Anaheim19 May 2024Individual Open · Women1:30:44147/367Beat 60%