Progress against the field
Between Las Vegas 2025 and Boston 2025, Christina Naftzger and Lydia Flaherty lost 8:38 to the field.
The clock says 3:05 slower, but the races themselves got 5:33 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
4 races · 4 events
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Boston26 Sep 2025Doubles Open · Women1:29:45799/1424Beat 44%
↑ 119 days after New York 2025, with Lydia Flaherty 6:11 worse than the field Why ↓Close ↑
6:11 behind the field: 4:17 slower on the clock, against 1:54 faster for everyone.
The fieldCompare these two →1:54 faster This pair4:17 slower -
New York30 May 2025Doubles Open · Women1:25:28 PB160/417Beat 62%
↑ 118 days after Las Vegas 2025, with Lydia Flaherty 2:27 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:12 faster on the clock looks better than it was: the race was 3:39 faster for everyone, which leaves this 2:27 behind the field.
The fieldCompare these two →3:39 faster This pair1:12 faster -
Las Vegas1 Feb 2025Doubles Open · Women1:26:40167/380Beat 56%
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New York1 Jun 2024Doubles Open · Women1:29:50201/436Beat 54%