Progress against the field
Between Anaheim 2025 and Las Vegas 2026, Samantha Alvarez and Shelby Williams pulled 1:04 ahead of the field.
The clock says 2:09 faster, but the races themselves got 1:05 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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Las Vegas20 Feb 2026Doubles Pro · Women1:18:32 PB103/217Beat 53%
↑ 70 days after Anaheim 2025, with Shelby Williams 1:04 better than the field Why ↓Close ↑
2:09 faster on the clock, and the race was 1:05 faster for everyone, so 1:04 of it was this pair.
The fieldCompare these two →1:05 faster This pair2:09 faster -
Anaheim12 Dec 2025Doubles Pro · Women1:20:4177/189Beat 59%