Progress against the field
Chad Joiner has dropped 21:49 behind the field from Boston 2025 to Boston 2026.
Over the same races everyone got 2:50 quicker, so 18:59 slower 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
2 races · 2 events
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Boston8 Oct 2026Individual Open · Men1:59:561111/1233Beat 10%
↑ 377 days after Boston 2025 21:49 worse than the field Why ↓Close ↑
18:59 slower on the clock in a race that was 2:50 faster for everyone: 21:49 lost to the field.
The fieldCompare these two →2:50 faster This athlete18:59 slower -
Boston26 Sep 2025Individual Open · Men1:40:57 PB1080/1463Beat 26%