Race catalog · Updated nightly
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Upcoming running, cycling, triathlon and ultra races, updated nightly from RunSignup, BikeReg and ACTIVE. Missing a race? Submit it
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Race catalog · Updated nightly
Upcoming running, cycling, triathlon and ultra races, updated nightly from RunSignup, BikeReg and ACTIVE. Missing a race? Submit it
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20 races within 25 mi of Mattituck, NY
Yaphank, NY23 mi away
Ideal weather · 89/100 Typical: 53° / 42°F · 28% rain
Riverhead, NY7 mi away
Ideal weather · 87/100 Typical: 53° / 43°F · 28% rain
6% faster times (5K)past finishers
Manorville, NY16 mi away
Ideal weather · 89/100 Typical: 53° / 42°F · 28% rain
Wading River, NY15 mi away
Ideal weather · 89/100 Typical: 53° / 42°F · 30% rain
Madison, CT24 mi away
Good weather · 79/100 Typical: 47° / 32°F · 31% rain
4% faster times (8K)past finishers
Mattituck, NY0 mi away
Good weather · 80/100 Typical: 49° / 40°F · 29% rain
Mount Sinai, NY25 mi away
Good weather · 82/100 Typical: 48° / 38°F · 29% rain
15% faster times (5K)past finishers
Guilford, CT24 mi away
Fair weather · 55/100 Typical: 46° / 32°F · 32% rain
Calverton, NY12 mi away
Good weather · 78/100 Typical: 46° / 36°F · 31% rain
Guilford, CT24 mi away
Fair weather · 67/100 Typical: 38° / 25°F · 34% rain
12% faster times (5K)past finishers
Center Moriches, NY19 mi away
Good weather · 73/100 Typical: 38° / 28°F · 29% rain
Peconic, NY5 mi away
Good weather · 75/100 Typical: 45° / 34°F · 27% rain
6% slower times (5K)past finishers
Peconic, NY5 mi away
Ideal weather · 88/100 Typical: 67° / 56°F · 36% rain
Branford, CT23 mi away
Good weather · 72/100 Typical: 78° / 59°F · 42% rain
Peconic, NY5 mi away
Harsh weather · 35/100 Typical: 80° / 70°F · 40% rain
Sag Harbor, NY12 mi awayRegistration opens Apr 21, 2027
Harsh weather · 34/100 Typical: 80° / 70°F · 42% rain
4% faster times (5K)past finishers
Southampton, NY9 mi awayRegistration opens Jul 28, 2027
Harsh weather · 38/100 Typical: 80° / 70°F · 38% rain
Old Saybrook, CT22 mi awayRegistration opens Dec 30, 2026
Fair weather · 63/100 Typical: 82° / 64°F · 36% rain
13% faster times (5K)past finishers