Progress against the field
Between Stockholm 2025 and Copenhagen 2026, Hieu Nguyen pulled 1:18 ahead of the field.
The races barely moved for everyone else, so 1:47 faster on the clock is close to the whole story.
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 Individual Open · Women, the one raced most; every comparison is in the list below.
Every race
7 races · 6 events
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Boston8 Oct 2026Doubles Open · Women1:49:34625/742Beat 16%
↑ 252 days after Phoenix 2026, with Phuong-Thao Nguyen 5:27 worse than the field Why ↓Close ↑
5:27 behind the field: 2:31 slower on the clock, against 2:56 faster for everyone.
The fieldCompare these two →2:56 faster This pair2:31 slower -
Boston8 Oct 2026Relay · Women2:01:3277/78Beat 1%
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Copenhagen13 Mar 2026Individual Open · Women1:52:57 PB679/797Beat 15%
↑ 85 days after Stockholm 2025 1:18 better than the field Why ↓Close ↑
1:18 better than the field: 1:47 faster on the clock, against 0:29 faster for everyone.
The fieldCompare these two →0:29 faster This athlete1:47 faster -
Phoenix29 Jan 2026Doubles Open · Women1:47:03 PB468/529Beat 12%
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Stockholm18 Dec 2025Individual Open · Women1:54:44708/803Beat 12%
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Chicago14 Nov 2025Doubles Open · Women1:55:121439/1539Beat 7%
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Boston26 Sep 2025Doubles Open · Women2:24:421422/1424Beat 0%