Progress against the field
Between New York 2024 and Boston 2026, Justin Moss pulled 4:27 ahead of the field.
Over the same races everyone got 9:57 quicker, so 14:24 faster on the clock looks better than it was.
Ahead of the field in 3 of 4 comparisons.
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
6 races · 5 events
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Boston8 Oct 2026Individual Open · Men1:09:36 PB66/1233Beat 95%
↑ 133 days after New York 2026 5:05 better than the field Why ↓Close ↑
5:05 better than the field: 6:28 faster on the clock, against 1:23 faster for everyone.
The fieldCompare these two →1:23 faster This athlete6:28 faster -
Boston8 Oct 2026Doubles Open · Men1:07:19 PB48/261Beat 82%
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New York28 May 2026Individual Open · Men1:16:04208/1067Beat 81%
↑ 119 days after Phoenix 2026 0:19 better than the field Why ↓Close ↑
3:29 faster on the clock, and the race was 3:10 faster for everyone, so 0:19 of it was this athlete.
The fieldCompare these two →3:10 faster This athlete3:29 faster -
Phoenix29 Jan 2026Individual Open · Men1:19:33142/616Beat 77%
↑ 125 days after Boston 2025 4:35 worse than the field Why ↓Close ↑
4:35 behind the field: 2:53 slower on the clock, against 1:42 faster for everyone.
The fieldCompare these two →1:42 faster This athlete2:53 slower -
Boston26 Sep 2025Individual Open · Men1:16:40261/1463Beat 82%
↑ 482 days after New York 2024 3:38 better than the field Why ↓Close ↑
7:20 faster on the clock, and the race was 3:42 faster for everyone, so 3:38 of it was this athlete.
The fieldCompare these two →3:42 faster This athlete7:20 faster -
New York1 Jun 2024Individual Open · Men1:24:00327/895Beat 64%