Progress against the field
Jp Duplessis has gained 4:49 on the field from Las Vegas 2025 to Chicago 2025.
Over the same races everyone got 4:32 quicker, so 9:21 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 · 3 events
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Chicago14 Nov 2025Individual Pro · Men1:15:00 PB107/268Beat 60%
↑ 286 days after Las Vegas 2025 4:49 better than the field Why ↓Close ↑
9:21 faster on the clock, and the race was 4:32 faster for everyone, so 4:49 of it was this athlete.
The fieldCompare these two →4:32 faster This athlete9:21 faster -
Las Vegas1 Feb 2025Individual Pro · Men1:24:2181/168Beat 52%
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Gainful Anaheim19 May 2024Individual Open · Men1:16:09 PB93/623Beat 85%