Search for your half marathons in September by visiting the Half Marathon Calendar USA - September Half Marathons page at https://www.halfmarathonsearch.com/half-marathons-september , or review the list below:

Zoom Point Pinole Half Marathon, 10k, 5k Tortoise & the Hare Half Marathon & 10k

Pocatello Marathon, Half Marathon, 10k, 5k

River Run for RAMP Half Marathon, 5k, 3k & Kids Fun Run Women Rock Half Marathon, 10k, 5k

Heartland Half Marathon & 5k

LaGrange Road Race 1/2 Marathon & 4mi

Step Up Storm Lake Half Marathon, 5k & Relay

Marquette Marathon & Half Marathon Jack & Jill Trail Half Marathon Forest Gump Challenge 50k, Marathon, Half Marathon Registration 2017 Barry's Landing Half Marathon

Roswell Runners Club Turtle Marathon, Half Marathon, 5k

Run Toledo Boyscout Half Marathon & Tenderfoot 5k Leave No Trace Trail Marathon & Half Marathon

Fall Trail Run 1/2 Marathon, 10k, 5k, 2mi

Okie Trail Shuffle 50k, Marathon, Half Marathon, 10k, 5k Registration 2017

Hero Up Half Marathon & 5k

Sunset Bay Trail Runs Half Marathon, 15k, 4mi, 1mi Twisted Pine Run Half Marathon & 5 miler

Painted Hills Festival 1/2 Marathon, 10k, 5k French Creek Half Marathon & 5k Race 13.1 Nashville Half Marathon, 10k, 5k

Beaver Canyon Half Marathon

Dash Point State Park Trail Runs Half Marathon, 10k

Lake Country Half Marathon & 5k Hillsboro St. Josephs 1/2 Marathon, 10k, 5k

Jackson Hole Marathon, Half Marathon & Relays Bighorn Canyon Half Marathon

Disneyland Half Marathon

Pier to Peak Half Marathon

Race to the End of Summer Half Marathon, 10k, 5k

Rocky Mountain High-est Leadville Half & Full Road Marathon

The Kauai Marathon & Half Marathon Cal City Mini - Half Marathon & 5k (No live website)

Mustang Mini & Community Races Half Marathon, 5k, 3k

NewBo Run Half Marathon

Harbor Fest Half Marathon

Tupello Marathon and 13.1 Miler

Swanzey Covered Bridges 1/2 Marathon & Relay

The Oak Tree Half Marathon & 5k 2017 Registration

Yolo Festival of Races Half Marathon, 15k, 5k Okie Trail Shuffle 50k, Marathon, Half Marathon, 10k, 5k Registration 2017

Moore Mountain Trail Runs 1/2 Marathon & 5k Oregon Wine Country Half Marathon

Sunriver Half Marathon #2 & Marathon

Sol Lipton Run Fest Half Marathon, 5k, 1.5mi

IRM Triple Crown Challenge

River City Half Marathon