Progress against the field
Samantha Cheung-Lin and Hellen Lu have gained 7:53 on the field from Las Vegas 2026 to Boston 2026.
Over the same races everyone got 2:30 quicker, so 10:23 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
3 races · 2 events
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Boston8 Oct 2026Relay · Women1:26:0840/78Beat 49%
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Boston8 Oct 2026Doubles Open · Women1:32:42 PB364/691Beat 47%
↑ 230 days after Las Vegas 2026, with Hellen Lu 7:53 better than the field Why ↓Close ↑
10:23 faster on the clock, and the race was 2:30 faster for everyone, so 7:53 of it was this pair.
The fieldCompare these two →2:30 faster This pair10:23 faster -
Las Vegas20 Feb 2026Doubles Open · Women1:43:051416/1898Beat 25%