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

Rock'n'Roll Virginia Beach Running Festival 1/2 Marathon, 5k

Sporty Divas Bad Azz Back to Back at Chehalis 13.1mi, 10k

Lake Michigan Trail Half Marathon

Green Lake Area Half Marathon & 5k

Highlands Ranch Half Marathon

American Discovery Trail Marathon, Half Marathon

Labor Day Mini Marathon Half Marathon, 10k, 5k

MVR Dubuque Benefit Classic Half Marathon & 5k

Run for Chum Half Marathon

Run2Remember 1/2 Marathon, 10k, 5k

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

IRM Triple Crown Crown Challenge Half, 10k, 5k

Overlake Medical Center Labor Day Half & 4mi Run/Walk

Sporty Diva's Bad Azz Back to Back 50k, 26.2mi, 13.1mi, 5mi

Lovers Leap - Strawberry 5k, 10k, 9mi, 13.1mi, 18mi, 50k

Lagoon Valley Trail Run 30k, Half Marathon, 10k, 5k SLO Ultra at Wild Cherry Canyon 50mi, 26.2mi, 13.1mi, 5mi

Black Squirrel Half Marathon Under Armour Mountain Running Series 50k, Full & Half Marathon

American Heroes Run Marathon, Half Marathon, 9.11mi, 5k & Ultras

Arvada Harvest Half Marathon

Teens Inc. Ned Ned Half Marathon, 10k, 5k

Divas Half Marathon & 5k Peachtree City

Riggins Salmon Run Half Marathon, 10k, 5k

Salmon Marathon & Half Marathon

Run Mag Mile Half Marathon & 5k Muncie Mini Marathon "half marathon"

Hendricks County Half Marathon

Dino Versailles Half Marathon Trail Run

Park to Park Half Marathon & 5k

Wabash Trace Nature Trail Marathon, Half Marathon, Relay The Road Home Half Marathon & 5k

Run 4 Shelter Half Marathon, 10k, 5k

Run to the Rock Half Marathon

Run Woodstock Trail 50mi, 50k, Marathon, Half Marathon

Run for Your Heart Half Marathon

Run Michigan Cheap Orion Edition 1/2 Marathon, 10k, 5k

Dick Beardsley Half Marathon & Inaugural Marathon

Bigfork Valley Challenge Race Half Marathon, 10k, 5k

The Running of the Bays Half Marathon, 5k

Graniteman Mississippi River Run 1/2 Marathon, 10k, 5k, 1k

Bohemian Alps Endurance Runs Half Marathon, 4mi, 1mi

Race to the Angel Half Marathon (Run, Bike or Walk)

Arc of Onondaga Half Marathon

Old Forge Half Marathon & 5k

Run Holden Beach Half Marathon, 5k, 1mi Spherion Mid Ohio 13er Half Marathon & 5k

US Road Running Movie Madness 13.1 & 5k Columbus

Oregon Fall Half Marathon

Bird in Hand Half Marathon

Greensburg Half Marathon

UPMC Urgent Care Montour Trail 1/2 Marathon, 5k CANCELED

Great Smoky Mountain Half Marathon

Little Grand Canyon Marathon, Half Marathon & 10k

Cedar City Half Marathon

Revel Big Cottonwood Marathon & Half Marathon

Charlotte Covered Bridges Half Marathon

Maple Leaf Half Marathon & 5k

Centra High Bridge Half Marathon & 5k

Odyssey Trail Running Rampage 40mi, 26.2mi, 13.1mi, 6mi VHTRC Women's Half Marathon Trail Run

Lake Chelan Shore to Shore Half Marathon Paradise Valley Trail Run Half Marthon, 10k, 5k

Minocqua No Frills Bearskin Trail Marathon, Half Marathon

Apple Dumpling Day Marathon, Half Marathon, 5k, Kids Runs Lyndon Ellefson Memorial Half Marathon & 5k

Kinni River Trout Trout Half Marathon

Brewers Mini Marathon 13.1 & 10k

Dam U Half Marathon Run into Autumn Half Marathon, 10k, 5k

Moscow Mountain Madness Half Marathon, 50k, 5mi

Naperville Trails Half Marathon

Alpine Runners Half Marathon

Crystal Lake Illinois

AshleyCan Running Bold for the Gold Half Marathon, 10k, 5k

IVS Half Marathon & 5k

Hub City Half Marathon & 5k

Clinton Half Marathon, 10k, 5k

Freeport Half Marathon & 5k

Lake Auburn Half Marathon

Parks Half Marathon

Holland Haven Marathon & Half Marathon H4H Sleepy Hollow Trail Run Half Marathon, 10k, 5k

Jeff Winter City of Lakes Half Marathon

Bozeman Marathon & Half Marathon Two Bear Marathon & Half Marathon

Twin Rivers YMCA Freedom Run Half Marathon, 10k, 5k, 1mi

Run the Reservoir Half Marathon

Chips & Salsa Half Marathon

I Run For .... Half Marathon and Marathon

Run & Ride Series Carowinds Half Marathon, 10k, 5k

River Run Half Marathon Green Cathedral Half Marathon

Shelby YMCA Suds and Sapphires Half Marathon is discontinued

Winans to Winans Miami County Half Marathon

The Alternative Half Marathon

Lehigh Valley Health Network Marathon, Half Marathon, 5k

YMCA Harrisburg 13.1 Half Marathon

D & H Rail-Trail Distance Run Half Marathon, 5k on Hiatus for 2017 Chester County's Red White & Brew Run Half Marathon, 5k, 1mi

Surftown Half Marathon & 5k

Souix Falls Marathon, Half Marathon, 5k

Stanky Creek Marathon and Half Marathon

Old Stone House Museum Fall Foliage Run 1/2 Marathon, 5k

Skagit Flats Marathon & 1/2 Marathon

Patriots Run Marathon, Half Marathon, 5k & Ultras Center of the Nation Series Marathon, Half Marathon (Day 1)

Center of the Nation Series Marathon, Half Marathon (Day 2)

Center of the Nation Series Marathon, Half Marathon (Day 3)

Center of the Nation Series Marathon, Half Marathon (Day 4)

Center of the Nation Series Marathon, Half Marathon (Day 5)

Hartselle Half Marathon 2017 Registration

Flagstaff Marathon & Half Marathon Winslow Half Marathon Pacifica Summit Run 10k, Half Marathon, 30k, 50k Valley of the Flowers Half Marathon & 5k 2017 Registration

Run the River for the Ridge Love Run Half Marathon, 5k

Center of the Nation Series Marathon, Half Marathon (Day 5) Denver Trail 1/2 Marathon

Autumn Prairie Dog Half Marathon

Autumn Color Run Half Marathon, 10k, 5k, 1mi

Breckenridge Road Marathon, Half Marathon, 8k, Kids Mi.

Gulf Beach Half Marathon

Lightfoot Sam Elpern Memorial Half Marathon International Peace Marathon & Half The Savannah Milestone 10k & Half Marathon 2017 Registration

Heritage Haul Half Marathon, 10k, 5k

Moonlight Miles at Oakridge Cemetery Half Marathon & 5k

Blues at the Crossroads Half Marathon Clinton Lake North Shore Trail Run Half Marathon, 10k, 5k Owensboro Memorial Half Marathon

Bar Harbor Bank & Trust Half Marathon, 5k

Wicked Half Marathon

Free to Run Trail Races 50 miler, Marathon, Half Marathon XTERRA Lake Superior Shore Run Half Marathon, Relay, 5k

LiveCentered Half Marathon

Walker North Country Marathon, Half Marathon, 10k

Wheels Off Half Marathon Circle the Lake Half Marathon

Cash Coulee Half Marathon

Sweathouse Half Marathon

Up Before the Rooster Run Half Marathon, 10k, 5k, 1 mile

Twighlight Re-run Half Marathon & Overlook Ascent

Take it to the Lake Half Marathon & 10k Mighty Niagra Half Marathon Shawangunk Ridge Trail Run/Walk 1/2 Marathon, 30mi, 50mi, 70mi

Run the Valley Half Marathon, 10k, 5k

Marine Corps Half Marathon

Kroll's Diner Bismark Marathon, Half Marathon, Relay & 5k

US Airforce Marathon, Half Marathon, 10k, 5k

Oktoberfest Road Race Half Marathon, 10k, 5k

Bridge of the Goddess Half Marathon & 10k Huntsville Marathon & Half Marathon

Sandy Firestation Half Marathon

Park City Trail Series Half Marathon

Run13 Racing Cane Half Marathon & 5k

13.1 Mikro Marathon Half Marathon & Full Festival HerndonHalf Marathon, 12k, 5k

Mulberry Island Half Marathon, 5k Divas Half Marathon & 5k in DC's Wine Country

Run the Damm Half Marathon, 10k, 5k

Selah Base Race Half Marathon

Beat the Blerch Full & Half Marathon, 10k

Destination Races Woodinville Wine & Beer Country Half Marathon

Lapham Peak Trail Races Marathon, Half Marathon, 7mi, 5k

Who-Za-Wa Run Half Marathon & 4mi

Mini Donut Half Marathon Wolf Creek Ramble Half Marathon, 10k Run/Hike, 5k Run/Hike

Half Moon Bay International Marathon, Half Marathon & 5k

Clow-Cow Half Marathon & 5k Alameda Running Festival Half Marathon, 10k, 5k Hermit Pass Marathon, Half Hermit & Lucky Hermit 13k

Equinox Half Marathon & 5mi

Navy Airforce Half Marathon & 5 Miler

Scenic Half Marathon, 10k, 5k

Fox Valley Marathon, Half Marathon & Final 20

Cat Country Run Half Marathon & 5mi Go Girl Run Kansas City Women's Half Marathon & 5k Caribou Maine Marathon, Half Marathon 2017 Registration Linganore Winecellars CC Classic Half Marathon, 10mi, 5mi Willmington Half Marathon, 5k

Capital City River Run Marathon & Half Marathon

Romeo 2 Richmond Half Marathon, 5k

The American Home Fitness Detroit Women's Half Marathon & 5k

Timber Trail Races Half Marathon, 10k, 5k Run/Walk

City of Roses Half Marathon

The Montana Marathon & Half Marathon

HITS Omaha Marathon & Half Marathon

Pine Ridge Twisted Crawdad Trails Run Half Marathon, 10k, 5k

Newport-Liberty Waterfront Half Marathon, 5k