Progress against the field
Sean Mcdonald has dropped 14:17 behind the field from New York 2024 to Boston 2025.
The clock says 7:10 slower, but the races themselves got 7:07 quicker for everyone.
The longest gap between two races compared here, 363 days between New York 2024 and New York 2025, cost 2:29 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
4 races · 4 events
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Boston26 Sep 2025Individual Open · Men2:02:461354/1463Beat 8%
↑ 119 days after New York 2025 11:48 worse than the field Why ↓Close ↑
11:48 behind the field: 10:13 slower on the clock, against 1:35 faster for everyone.
The fieldCompare these two →1:35 faster This athlete10:13 slower -
New York30 May 2025Individual Open · Men1:52:33 PB1323/1462Beat 10%
↑ 363 days after New York 2024 2:29 worse than the field Faster on the clock, behind the field Why ↓Close ↑
3:03 faster on the clock looks better than it was: the race was 5:32 faster for everyone, which leaves this 2:29 behind the field.
The fieldCompare these two →5:32 faster This athlete3:03 faster -
Chicago Navy Pier16 Nov 2024Individual Open · MenDNF—
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New York1 Jun 2024Individual Open · Men1:55:36790/895Beat 12%