Progress against the field
From Houston 2025 to Dallas 2025, Katharyn Ball and Karolyn Ball got 1:11 faster than the field.
Over the same races everyone got 2:50 quicker, so 4:01 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.
Every race
2 races · 2 events
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Dallas21 Nov 2025Doubles Open · Women1:10:32 PB54/1529Beat 97%
↑ 251 days after Houston 2025, with Karolyn Ball 1:11 better than the field Why ↓Close ↑
1:11 better than the field: 4:01 faster on the clock, against 2:50 faster for everyone.
The fieldCompare these two →2:50 faster This pair4:01 faster -
Houston15 Mar 2025Doubles Open · Women1:14:3373/808Beat 91%