Half Marathons in New Jersey in October
14 half marathons in New Jersey are on the calendar for October 2026–2027, in Atlantic City, Livingston, Morristown, Clinton and more. Tap a race for the course, weather, past results and how to register.
AmeriHealth Atlantic City Marathon, Half Marathon, 10K & G. Larry James 5K · Atlantic City, New Jersey
Livingston Oval Races · Livingston, New Jersey
Halloween Half Marathon · Morristown, New Jersey
Main Street Half Marathon & 4 Miler - Hunterdon · Clinton, New Jersey
Running for Children's Rights to Both Parents - 10 of 50 Half Marathons in 50 States - New Jersey · Atlantic City, New Jersey
Cape May Hallowed Half Marathon · Cape May, New Jersey
Hot Mess Trail Races · Pittsgrove, New Jersey
2026 BCS Oktoberfest Half-Marathon · Madison, New Jersey
Halloween Trick or Trot Run 5K/10K/13.1 NEW JERSEY · Camden, New Jersey
Halloween Trick or Trot Run 5K/10K/13.1 PHILADELPHIA · Camden, New Jersey
PB&J Fuel Run 5K/10K/13.1 NEW JERSEY · Camden, New Jersey
PB&J Fuel Run 5K/10K/13.1 PHILADELPHIA · Camden, New Jersey
2027 OCNJ Half Marathon, 10 Mile & 5K · Ocean City, New Jersey
PRESALE! 2027 AmeriHealth Atlantic City Marathon, Half Marathon, 10K & G. Larry James 5K · Atlantic City, New Jersey