Progress against the field
Matthew Primiceri has gained 2:50 on the field from New York 2024 to Boston 2026.
Over the same races everyone got 3:22 quicker, so 6:12 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
5 races · 5 events
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Boston8 Oct 2026Individual Open · Men1:29:47 PB112/250Beat 55%
↑ 859 days after New York 2024 2:50 better than the field Why ↓Close ↑
2:50 better than the field: 6:12 faster on the clock, against 3:22 faster for everyone.
The fieldCompare these two →3:22 faster This athlete6:12 faster -
New York28 May 2026Relay · Men1:16:4040/121Beat 67%
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Chicago Navy Pier16 Nov 2024Doubles Open · Men1:11:35 PB99/270Beat 63%
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New York1 Jun 2024Individual Open · Men1:35:59572/895Beat 36%
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Washington D.C. Open North American ChampionshipsDate unknownIndividual Open · Men1:32:27891/1544Beat 42%