Progress against the field
Between Dallas 2025 and Salt Lake City 2026, Ha Bui lost 5:15 to the field.
Over the same races everyone got 3:00 quicker, so 2:15 slower on the clock looks better than it was.
The biggest step was Dallas 2025 → Houston 2026: 6:34 on the field in 125 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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Salt Lake City19 Sep 2026Individual Open · Men1:47:24239/322Beat 26%
↑ 177 days after Houston 2026 11:49 worse than the field Why ↓Close ↑
11:49 behind the field: 12:09 slower on the clock, against 0:20 slower for everyone.
The fieldCompare these two →0:20 slower This athlete12:09 slower -
Houston26 Mar 2026Individual Open · Men1:35:15 PB325/653Beat 50%
↑ 125 days after Dallas 2025 6:34 better than the field Why ↓Close ↑
6:34 better than the field: 9:54 faster on the clock, against 3:20 faster for everyone.
The fieldCompare these two →3:20 faster This athlete9:54 faster -
Dallas21 Nov 2025Individual Open · Men1:45:091594/2078Beat 23%
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Houston15 Mar 2025Doubles Open · Mixed1:44:24 PB666/749Beat 11%