Progress against the field
From Chicago 2023 to Las Vegas 2026, the field gained 12:47 on William McMahon.
The clock says 2:00 faster, but the races themselves got 14:47 quicker for everyone.
The longest gap between two races compared here, 286 days between Las Vegas 2025 and Chicago 2025, cost 1:34 on the field.
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
7 races · 7 events
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Las Vegas20 Feb 2026Individual Open · Men1:20:18360/1739Beat 79%
↑ 70 days after Anaheim 2025 6:23 worse than the field Why ↓Close ↑
6:23 behind the field: 0:04 slower on the clock, against 6:19 faster for everyone.
The fieldCompare these two →6:19 faster This athlete0:04 slower -
Anaheim12 Dec 2025Individual Open · Men1:20:14278/1835Beat 85%
↑ 28 days after Chicago 2025 0:29 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:36 faster on the clock looks better than it was: the race was 1:05 faster for everyone, which leaves this 0:29 behind the field.
The fieldCompare these two →1:05 faster This athlete0:36 faster -
Chicago14 Nov 2025Individual Open · Men1:20:50370/1621Beat 77%
↑ 286 days after Las Vegas 2025 1:34 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:29 faster on the clock looks better than it was: the race was 2:03 faster for everyone, which leaves this 1:34 behind the field.
The fieldCompare these two →2:03 faster This athlete0:29 faster -
Las Vegas1 Feb 2025Individual Open · Men1:21:19298/689Beat 57%
↑ 77 days after Chicago Navy Pier 2024 1:48 worse than the field Why ↓Close ↑
1:48 behind the field: 2:15 slower on the clock, against 0:27 slower for everyone.
The fieldCompare these two →0:27 slower This athlete2:15 slower -
Chicago Navy Pier16 Nov 2024Individual Open · Men1:19:04211/814Beat 74%
↑ 168 days after New York 2024 4:30 worse than the field Why ↓Close ↑
2:33 slower on the clock in a race that was 1:57 faster for everyone: 4:30 lost to the field.
The fieldCompare these two →1:57 faster This athlete2:33 slower -
New York1 Jun 2024Individual Open · Men1:16:31 PB168/895Beat 81%
↑ 203 days after Chicago 2023 1:57 better than the field Why ↓Close ↑
5:47 faster on the clock, and the race was 3:50 faster for everyone, so 1:57 of it was this athlete.
The fieldCompare these two →3:50 faster This athlete5:47 faster -
Chicago11 Nov 2023Individual Open · Men1:22:18152/469Beat 68%