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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97 races within 25 mi of Jefferson, NJ
West Caldwell, NJ17 mi away
Ideal weather · 90/100 Typical: 68° / 48°F · 40% rain
Cranford, NJ23 mi away
Ideal weather · 89/100 Typical: 69° / 50°F · 42% rain
7% faster times (5K)past finishers
Ringwood, NJ22 mi awayRegistration opens Oct 31, 2026
Good weather · 78/100 Typical: 72° / 51°F · 40% rain
Augusta, NJ17 mi awayRegistration opens Jan 1, 2027
Ideal weather · 90/100 Typical: 73° / 52°F · 39% rain
11% slower times (5K)past finishers
Bridgewater Township, NJ22 mi awayRegistration opens Jan 21, 2027
Good weather · 79/100 Typical: 75° / 56°F · 45% rain
13% faster times (5K)past finishers
Butler, NJ15 mi away
Good weather · 81/100 Typical: 76° / 56°F · 43% rain
Fort Lee, NJ21 mi away
Good weather · 76/100 Typical: 75° / 57°F · 46% rain
4% slower times (5K)past finishers
Succasunna, NJ5 mi awayRegistration opens Dec 31, 2026
Fair weather · 59/100 Typical: 82° / 62°F · 46% rain
Bridgewater, NJ22 mi awayRegistration opens Dec 21, 2026
Tough weather · 51/100 Typical: 83° / 65°F · 48% rain
Cranford, NJ23 mi away
Harsh weather · 37/100 Typical: 86° / 68°F · 47% rain
South Orange Village, NJ21 mi away
Harsh weather · 11/100 Typical: 86° / 68°F · 45% rain
Cranford, NJ23 mi awayRegistration opens Dec 9, 2026
Fair weather · 57/100 Typical: 83° / 65°F · 36% rain
Branchville, NJ21 mi away
Fair weather · 57/100 Typical: 81° / 61°F · 41% rain
Bound Brook, NJ24 mi awayRegistration opens Jan 1, 2027
Ideal weather · 85/100 Typical: 77° / 58°F · 27% rain
Bedminster, NJ17 mi awayRegistration opens Oct 31, 2026
Ideal weather · 90/100 Typical: 74° / 56°F · 33% rain
Bedminster, NJ18 mi away
Ideal weather · 93/100 Typical: 72° / 55°F · 33% rain
Oak Ridge, NJ9 mi awayRegistration opens Feb 28, 2027
Ideal weather · 95/100 Typical: 65° / 45°F · 27% rain
West Orange, NJ20 mi awayRegistration opens Jan 1, 2027
Ideal weather · 94/100 Typical: 46° / 30°F · 27% rain
West Orange, NJ20 mi away
Fair weather · 67/100 Typical: 38° / 24°F · 33% rain