Progress against the field
Derry Walker and Theresa Kirby Smith have gained 6:38 on the field from Dallas 2025 to Tampa 2026.
The clock says 16:36 faster, but the races themselves got 9:58 quicker for everyone.
The largest gain on the field came from Dallas 2025 → Phoenix 2026: 6:41 in 69 days.
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
4 races · 4 events
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Tampa22 Oct 2026Doubles Open · Women1:45:47 PB251/303Beat 17%
↑ 244 days after Las Vegas 2026, with Theresa Kirby Smith 0:03 worse than the field Why ↓Close ↑
Moved with the field: 6:02 faster on the clock, against 6:05 faster for everyone.
The fieldCompare these two →6:05 faster This pair6:02 faster -
Las Vegas20 Feb 2026Doubles Open · Women1:51:491652/1898Beat 13%
↑ 22 days after Phoenix 2026, with Theresa Kirby Smith 0:00 better than the field Why ↓Close ↑
1:24 faster on the clock, and the race was 1:24 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →1:24 faster This pair1:24 faster -
Phoenix29 Jan 2026Doubles Open · Women1:53:13490/529Beat 7%
↑ 69 days after Dallas 2025, with Theresa Kirby Smith 6:41 better than the field Why ↓Close ↑
9:10 faster on the clock, and the race was 2:29 faster for everyone, so 6:41 of it was this pair.
The fieldCompare these two →2:29 faster This pair9:10 faster -
Dallas21 Nov 2025Doubles Open · Women2:02:231454/1529Beat 5%