Progress against the field
Between Chicago 2025 and Boston 2026, Chelsey Swanson and Chris Gunderson lost 4:26 to the field.
Over the same races everyone got 5:10 quicker, so 0:44 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
4 races · 4 events
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Boston8 Oct 2026Doubles Open · Women1:19:22113/742Beat 85%
↑ 196 days after Houston 2026, with Chris Gunderson 0:59 worse than the field Why ↓Close ↑
0:59 behind the field: 0:12 slower on the clock, against 0:47 faster for everyone.
The fieldCompare these two →0:47 faster This pair0:12 slower -
Houston26 Mar 2026Doubles Open · Women1:19:10 PB65/548Beat 88%
↑ 132 days after Chicago 2025, with Chris Gunderson 3:27 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:56 faster on the clock looks better than it was: the race was 4:23 faster for everyone, which leaves this 3:27 behind the field.
The fieldCompare these two →4:23 faster This pair0:56 faster -
Chicago14 Nov 2025Doubles Open · Women1:20:06344/1539Beat 78%
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Toronto3 Oct 2025Doubles Open · Women1:21:54124/821Beat 85%