Progress against the field
From Chicago - North American Open Championship 2023 to Las Vegas 2026, the field gained 0:41 on Ryan Arnott.
Over the same races everyone got 2:20 quicker, so 1:39 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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Las Vegas20 Feb 2026Individual Open · Men1:34:18 PB962/1739Beat 45%
↑ 384 days after Las Vegas 2025 0:00 better than the field Why ↓Close ↑
3:14 faster on the clock, and the race was 3:14 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →3:14 faster This athlete3:14 faster -
Las Vegas1 Feb 2025Individual Open · Men1:37:32436/689Beat 37%
↑ 721 days after Chicago - North American Open Championship 2023 0:41 worse than the field Why ↓Close ↑
1:35 slower on the clock in a race that was 0:54 slower for everyone: 0:41 lost to the field.
The fieldCompare these two →0:54 slower This athlete1:35 slower -
Chicago - North American Open Championship11 Feb 2023Individual Open · Men1:35:57223/354Beat 37%