Progress against the field
Between Dallas 2025 and Tampa 2026, Theresa Kirby Smith and Derry Walker pulled 6:38 ahead of the field.
The clock says 16:36 faster, but the races themselves got 9:58 quicker for everyone.
The biggest step was Dallas 2025 → Phoenix 2026: 6:41 on the field 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. The summary above covers Doubles Open · Women, with Derry Walker, the one raced most; every comparison is in the list below.
Every race
7 races · 5 events
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Tampa22 Oct 2026Individual Open · Women2:05:49 PB498/600Beat 17%
↑ 49 days after Washington DC 2026 0:52 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:28 faster on the clock, yet the race was 2:20 faster for everyone, so 0:52 was lost on the field.
The fieldCompare these two →2:20 faster This athlete1:28 faster -
Tampa22 Oct 2026Doubles Open · Women1:45:47 PB251/303Beat 17%
↑ 244 days after Las Vegas 2026, with Derry Walker 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 -
Washington DC3 Sep 2026Individual Open · Women2:07:17314/342Beat 8%
↑ 195 days after Las Vegas 2026 5:03 worse than the field Why ↓Close ↑
5:03 behind the field: 1:05 slower on the clock, against 3:58 faster for everyone.
The fieldCompare these two →3:58 faster This athlete1:05 slower -
Las Vegas20 Feb 2026Doubles Open · Women1:51:491652/1898Beat 13%
↑ 22 days after Phoenix 2026, with Derry Walker 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 -
Las Vegas20 Feb 2026Individual Open · Women2:06:121549/1796Beat 14%
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Phoenix29 Jan 2026Doubles Open · Women1:53:13490/529Beat 7%
↑ 69 days after Dallas 2025, with Derry Walker 6:41 better than the field Why ↓Close ↑
6:41 better than the field: 9:10 faster on the clock, against 2:29 faster for everyone.
The fieldCompare these two →2:29 faster This pair9:10 faster -
Dallas21 Nov 2025Doubles Open · Women2:02:231454/1529Beat 5%