September 2020 Half Marathons

See all September 2020 half marathons across the USA below, or click Race Calendars above to see each state’s calendar. For each race, you’ll find course maps, elevation profiles, reviews and info on how to register.


Saturday, September 5

Sunday, September 6

Monday, September 7 – Friday, September 11

Saturday, September 12

Sat Sep 12 American Heroes Run Marathon Half Marathon Ultra & 5K Longmont CO
Sat Sep 12 Amish Country Half Marathon 10K & 5K Berlin OH
Sat Sep 12 Arc Race Half Marathon & 5K Liverpool NY
Sat Sep 12 Beat the Blerch Marathon Half Marathon 10K & 5K Carnation WA
Sat Sep 12 Best in the West Triathlon Festival Half Marathon Sweet Home OR
Sat Sep 12 Bird-in-Hand Half Marathon & 5K Bird-in-Hand PA
Sat Sep 12 Black Squirrel Half Marathon Fort Collins CO
Sat Sep 12 Blackwater Canyon Half Marathon Parsons WV
Sat Sep 12 Bridge of the Goddess Half Marathon Cascade Locks OR
Sat Sep 12 Cascade Express Half Marathon Snoqualmie Pass WA
Sat Sep 12 Cherokee Harvest Half Marathon & 5K Cherokee NC
Sat Sep 12 Craft Classic Half Marathon & 5K Atlanta GA
Sat Sep 12 Crush Cancer Run Half Marathon 10K & 5K Terrebonne OR
Sat Sep 12 Dick Beardsley Half Marathon 10K & 5K Detroit Lakes MN
Sat Sep 12 Elroy Apple Dumpling Day Marathon Half Marathon & 5K Elroy WI
Sat Sep 12 Fair on the Square Half Marathon Danville IN
Sat Sep 12 Fox Run Fun Run Marathon Half Marathon 50M 10K & 5K Colorado Springs CO
Sat Sep 12 Get to the Point Half Marathon & 5K Elk Point SD
Sat Sep 12 Great Smoky Mountains Half Marathon Maryville TN
Sat Sep 12 Heartland Series Marathon Half Marathon 10K & 5K – Day 1 Bryan OH
Sat Sep 12 Hendersonville Half Marathon Hendersonville TN
Sat Sep 12 Hidden Gem Half Marathon Flossmoor IL
Sat Sep 12 Honor the Fallen Half Marathon 10K & 5K Grand Prairie TX
Sat Sep 12 International Peace Marathon & Half Marathon Washington DC
Sat Sep 12 Lake Cumberland Half Marathon & 10K Somerset KY
Sat Sep 12 Lyndon Ellefson Memorial Half Marathon & 5K Barron WI
Sat Sep 12 Mahoosuc Ridge to the River Challenge Half Marathon & 10K Bethel ME
Sat Sep 12 Maple Leaf Half Marathon & 5K Manchester Center VT
Sat Sep 12 Marine Corps Half Marathon & 5-Mile Camp Lejeune NC
Sat Sep 12 Ned*Ned Half Marathon 10K & 5K Nederland CO
Sat Sep 12 Odyssey Trail Running Rampage Half Marathon Douthat SP VA
Sat Sep 12 Old Forge Marathon Half Marathon 10K & 5K Old Forge NY
Sat Sep 12 Oregon Fall Half Marathon Quarter Marathon & 5K Canby OR
Sat Sep 12 Pacifica Summit Run Half Marathon 30K & 10K Pacifica CA
Sat Sep 12 Paris Pair Marathon Half Marathon 10K & 5K Paris TX
Sat Sep 12 Pony Express Half Marathon & 5K Marysville KS
Sat Sep 12 Revel Big Cottonwood Marathon & Half Marathon Salt Lake City UT
Sat Sep 12 Riggins Salmon Run Half Marathon 10K & 5K Riggins ID
Sat Sep 12 Run Lake Max Half Marathon 10K & 5K Culver IN
Sat Sep 12 Run Woodstock Trail Races – Hippie Half Marathon Pinckney MI
Sat Sep 12 Running of the Bays Half Marathon & 5K Mound MN
Sat Sep 12 Run to the Wall Half Marathon 10K & 5K Clinton OH
Sat Sep 12 Savannah Sunburn Half & 10K Savannah GA
Sat Sep 12 Shawangunk Ridge Trail Run Rosendale NY
Sat Sep 12 Trail Hog Half Marathon 10K & 5K San Jose CA
Sat Sep 12 Twisted Pine Run Half Marathon & 5-Mile Newport OR
Sat Sep 12 VHTRC Women's Half Marathon Trail Run Fairfax VA
Sat Sep 12 Viking Dash Trail Run Half Marathon 10K & 5K Peninsula OH

Sunday, September 13

Sun Sep 13 9/11 Memorial Half Marathon & 5K Washington DC
Sun Sep 13 Alameda Running Festival Half Marathon 10-Mile 10K & 5K Alameda CA
Sun Sep 13 The Alternative Half Marathon & Chasing the Unicorn Marathon Washington Crossing PA
Sun Sep 13 Berkshire East Half Marathon Charlemont MA
Sun Sep 13 Beulah Challenge Half Marathon 10K & 5K Beulah CO
Sun Sep 13 Boring Marathon Half-Boring Half Marathon & Constantly Boring 8K Boring OR
Sun Sep 13 Bozeman Marathon & Half Marathon Bozeman MT
Sun Sep 13 Chips and Salsa Half Marathon 10K & 5K Albuquerque NM
Sun Sep 13 City of Lakes Half Marathon Minneapolis MN
Sun Sep 13 Clinton Half Marathon 10K & 5K Clinton IA
Sun Sep 13 D&H Distance Run Half Marathon Forest City PA
Sun Sep 13 DC Half & Relay Washington DC
Sun Sep 13 Detroit Women's Half Marathon 10K & 5K Detroit MI
Sun Sep 13 Dutchess County Classic Marathon Half Marathon & 5K Poughkeepsie NY
Sun Sep 13 Heartland Series Marathon Half Marathon 10K & 5K – Day 2 Niles MI
Sun Sep 13 Holland Haven Marathon & Half Marathon Holland MI
Sun Sep 13 Hub City Half Marathon & 5K Crown Point IN
Sun Sep 13 Illinois Valley Striders Half Marathon Peoria IL
Sun Sep 13 Jack and Jill's Downhill Marathon & Half Marathon Boise ID
Sun Sep 13 Lake Auburn Half Marathon & 5K Auburn ME
Sun Sep 13 Lehigh Valley Health Network Via Marathon & Half Marathon Allentown PA
Sun Sep 13 Mt. Si Hill Climb Half Marathon North Bend WA
Sun Sep 13 Naperville Trails Half Marathon Naperville IL
Sun Sep 13 NYC Lives Half Marathon Brooklyn NY
Sun Sep 13 The Parks Half Marathon Rockville MD
Sun Sep 13 Pumpkinman Half Marathon 8.675309M & 3.14M South Berwick ME
Sun Sep 13 River Run Half Marathon Berea OH
Sun Sep 13 RVA Half Marathon & 6-Mile Trail Run Maidens VA
Sun Sep 13 Surftown Half Marathon & 5K Westerly RI
Sun Sep 13 T-Bird Trek Half Marathon 10K & 5K Casper WY
Sun Sep 13 Winans to Winans Half Marathon Troy OH

Monday, September 14 – Friday, September 18


Saturday, September 19

Sat Sep 19 Air Force Marathon Half Marathon & 10K Wright-Patterson AFB OH
Sat Sep 19 All-Out Fallfest Marathon Half Marathon 10K & 5K Westminster CO
Sat Sep 19 Autumn Color Run Half Marathon 10K 5K & Fun Run Buena Vista CO
Sat Sep 19 Bar Harbor Bank and Trust Half Marathon & Fall 5K Bar Harbor ME
Sat Sep 19 Berkeley Trail Adventure Half Marathon 50K 35K & 10K Berkeley CA
Sat Sep 19 Bismarck Marathon Half Marathon 10K & 5K Bismarck ND
Sat Sep 19 Buffalo Bill Cody Races Half Marathon & 10K Cody WY
Sat Sep 19 Circle the Lake Half Marathon Faribault MN
Sat Sep 19 Crossroads Half Marathon Terre Haute IN
Sat Sep 19 Dam U Half Marathon 10K & 5K Aurora CO
Sat Sep 19 Devil After Dark Marathon Half Marathon 10K & 5K Las Vegas NV
Sat Sep 19 Drag-n-Fly Half Marathon 10K & 5K Antioch CA
Sat Sep 19 Dubuque Benefit Classic Half Marathon & 5K Dubuque IA
Sat Sep 19 Free to Run Trail Races Marathon Half Marathon & 50-Mile Pittsfield MA
Sat Sep 19 Golden Leaf Half Marathon Aspen CO
Sat Sep 19 Great Land Run Half Marathon 10K & 5K Enid OK
Sat Sep 19 Gulf Beach Half Marathon Milford CT
Sat Sep 19 Happy Girls Run Spokane Half Marathon 10K & 5K Spokane WA
Sat Sep 19 Hoptown Half Marathon & 5K Hopkinsville KY
Sat Sep 19 Huntsville Utah Marathon & Half Marathon Huntsville UT
Sat Sep 19 Indy Women's Half Marathon & 5K Indianapolis IN
Sat Sep 19 Jamestown Half Marathon Jamestown RI
Sat Sep 19 Mighty Niagara Half Marathon & Hospice Dash 5K Lewiston NY
Sat Sep 19 Mount Rushmore Half Marathon Keystone SD
Sat Sep 19 Mountain Rats Marathon Half Marathon & 50K Eagle CO
Sat Sep 19 Pacific Northwest Marathon Half Marathon & 5K Eugene OR
Sat Sep 19 Park City Trail Series Half Marathon Park City UT
Sat Sep 19 Planet NY Half Marathon Queens NY
Sat Sep 19 Prairie Dog Half Marathon & 10K Westminster CO
Sat Sep 19 Run the Dam Half Marathon 10K & 5K Grand Coulee WA
Sat Sep 19 Summer Camp Marathon Half Marathon 10K & 5K – Day 1 St. Cloud MN
Sat Sep 19 Sun Valley Half Marathon Sun Valley ID
Sat Sep 19 Sunset on the Springwater Half Marathon Portland OR
Sat Sep 19 Surly Trail Loppet Half Marathon 7-Mile & 5K Minneapolis MN
Sat Sep 19 Triboro Adventure Tour Half Marathon Astoria NY
Sat Sep 19 Venice Half Marathon & 5K Venice FL
Sat Sep 19 Walker North Country Marathon Half Marathon & 10K Walker MN
Sat Sep 19 Wheels Off Half Marathon & Tunnel 10K Duluth MN
Sat Sep 19 White Mountain Milers Half Marathon Quarter Marathon & 5K North Conway NH
Sat Sep 19 Wolf Creek Wrangle Half Marathon 10K & 5K Wolf WY

Sunday, September 20

Sun Sep 20 Appletree Marathon & Half Marathon Vancouver WA
Sun Sep 20 Bethany Beach First Responders Half Marathon Bethany Beach DE
Sun Sep 20 Boston Harvest Half Marathon 10K & 5K Boston PA
Sun Sep 20 Capital City River Run Half Marathon 5K & Relay Lansing MI
Sun Sep 20 Caribou Marathon Half Marathon & Relay Caribou ME
Sun Sep 20 City of Roses Half Marathon & 5K Cape Girardeau MO
Sun Sep 20 Clo Cow Half Marathon Petaluma CA
Sun Sep 20 Cream Ridge 13-Mile & 10-Mile Run Cream Ridge NJ
Sun Sep 20 Discover Whitewater Series Half Marathon 5K & Relay Whitewater WI
Sun Sep 20 Fall Equinox Marathon & Half Marathon Fort Collins CO
Sun Sep 20 Fox Cities Marathon Half Marathon & Relay Appleton WI
Sun Sep 20 Fox Valley Marathon Half Marathon & 20-Mile St. Charles IL
Sun Sep 20 Gnarled Orchard Hard Cider Challenge Half Marathon 10K & 5K Delaplane VA
Sun Sep 20 Half Marathon-by-the-Sea Manchester-by-the-Sea MA
Sun Sep 20 Harvest Half Marathon 10K & 5K Van Nuys CA
Sun Sep 20 Hokie Half Marathon & 5K Blacksburg VA
Sun Sep 20 Iron Horse Half Marathon & 12K Midway KY
Sun Sep 20 La Demi Grand Half Marathon & 10K Munising MI
Sun Sep 20 Lake of the Woods Half Marathon & 5K Klamath Falls OR
Sun Sep 20 Montana Marathon Half Marathon & 10K Billings MT
Sun Sep 20 Newport Liberty Half Marathon Jersey City NJ
Sun Sep 20 Omaha Marathon Half Marathon 10K & 5K Omaha NE
Sun Sep 20 Orca Half Marathon Seattle WA
Sun Sep 20 Pamby Ridgefield Half Marathon Ridgefield CT
Sun Sep 20 Plano Balloon Festival Half Marathon Plano TX
Sun Sep 20 Quilcene Oyster Half Marathon 10K & 5K Quilcene WA
Sun Sep 20 Rochester Marathon Half Marathon & Relay Rochester NY
Sun Sep 20 Rock 'n' Roll Philadelphia Half Marathon Philadelphia PA
Sun Sep 20 Run Michigan Cheap Half Marathon 10K & 5K – Northville Northville MI
Sun Sep 20 Santa Fe to Buffalo Thunder Half Marathon 5K & Marathon Relay Santa Fe NM
Sun Sep 20 Saratoga Palio Race Half Marathon & 5K Saratoga Springs NY
Sun Sep 20 Scenic Half Marathon & 10K Sandpoint ID
Sun Sep 20 Snow Mountain Ranch Trail Running Festival Granby CO
Sun Sep 20 Summer Camp Marathon Half Marathon 10K & 5K – Day 2 St. Cloud MN
Sun Sep 20 Trapp Cabin Trail Half Marathon 10K & 5K Stowe VT
Sun Sep 20 Wascally Wabbit Half Mawothon & 5K Fresno CA
Sun Sep 20 XTERRA Trail Run National Championship Half Marathon Ogden UT

Monday, September 21 – Friday, September 25

Saturday, September 26

Sat Sep 26 45th Infantry Brigade Combat Team Fallen Heroes Half Marathon Oklahoma City OK
Sat Sep 26 Akron Marathon Half Marathon & Team Relay Akron OH
Sat Sep 26 Amish Country Running Festival Randolph NY
Sat Sep 26 Armed Services Marathon Half Marathon & 5K Spring Lake MI
Sat Sep 26 Big Sur Trail Marathon Half Marathon & 5-Mile Big Sur CA
Sat Sep 26 Birkie Trail Run Festival Cable WI
Sat Sep 26 Boulder Mountain Half Marathon & 5K Torrey UT
Sat Sep 26 Colorado Springs Marathon Half Marathon & 5K Colorado Springs CO
Sat Sep 26 Dixville Half Marathon & Relay Colebrook NH
Sat Sep 26 Do the Q Half Marathon Quarter Marathon & 5K Tulsa OK
Sat Sep 26 down2earth Cross Country Run Half Marathon 10K & 5K Hialeah FL
Sat Sep 26 Ely Marathon & Half Marathon Ely MN
Sat Sep 26 Empowered Women's Half Marathon Hudson WI
Sat Sep 26 FitOne Half Marathon 10K & 5K Boise ID
Sat Sep 26 Fort4Fitness Half Marathon 10K & 4-Mile Fort Wayne IN
Sat Sep 26 Grand Lake Marathon & Half Marathon Celina OH
Sat Sep 26 Great South Bay Half Marathon 10K & 5K Bay Shore NY
Sat Sep 26 Hamptons Marathon & Half Marathon Southampton NY
Sat Sep 26 Hands-On House Half Marathon 10K & 5K Lancaster PA
Sat Sep 26 Helotes Half Marathon 5K & Relay Helotes TX
Sat Sep 26 Hogsback Half Marathon Colebrook CT
Sat Sep 26 Hungerford Games Trail Race Half Marathon Big Rapids MI
Sat Sep 26 Iron Mountain Road and Trail Half Marathon Iron Mountain MI
Sat Sep 26 Jackson Hole Marathon & Half Marathon Jackson Hole WY
Sat Sep 26 Jailbreak Marathon Half Marathon 10K & 5K Wautoma WI
Sat Sep 26 Jordan River Half Marathon South Jordan UT
Sat Sep 26 Maple Leaf Walk Run Half Marathon 5-Mile & 5K La Crosse WI
Sat Sep 26 Mill Race Marathon Half Marathon & 5K Columbus IN
Sat Sep 26 Monument Marathon Half Marathon & 5K Scottsbluff NE
Sat Sep 26 New Yorker Half Marathon New York NY
Sat Sep 26 Park2Park Half Marathon & 5K Holland MI
Sat Sep 26 Pinedale Half Marathon 10K & 1-Mile Pinedale WY
Sat Sep 26 Prairie Series Marathon Half Marathon 10K & 5K – Day 2 Wahpeton ND
Sat Sep 26 Rocky Ridge Half Marathon 10K & 5K San Ramon CA
Sat Sep 26 Rugged Red Trail Half Marathon Slade KY
Sat Sep 26 Run for the Trails Half Marathon 10K & 5K Oconto Falls WI
Sat Sep 26 Sandia Crest Marathon & Half Marathon Albuquerque NM
Sat Sep 26 Sault International Festival of Races Half Marathon Sault Ste. Marie MI
Sat Sep 26 South Shore 3 Beach Minimum Half Marathon Hull MA
Sat Sep 26 Stone Bridge Half Marathon & 5K Roscoe IL
Sat Sep 26 Susquehanna River Running Festival Half Marathon 10K & 5K Havre de Grace MD
Sat Sep 26 Tread Brightly Half Marathon Charlotte NC
Sat Sep 26 Waldoboro Half Marathon Waldoboro ME
Sat Sep 26 Wander the Water Half Marathon Albert Lea MN
Sat Sep 26 Wicked Half Marathon Salem MA
Sat Sep 26 Wild Hog Grand Forks Marathon Half Marathon Relays & 10K Grand Forks ND
Sat Sep 26 Witch Run Half Marathon 10K & 5K West Jordan UT
Sat Sep 26 Worlds End Fall Classic Half Marathon Forksville PA

Sunday, September 27

Sun Sep 27 Adams Half Marathon & 5K Brighton CO
Sun Sep 27 Adirondack Marathon & Half Marathon Schroon Lake NY
Sun Sep 27 Alpine Races Half Marathon & 5K Lake Zurich IL
Sun Sep 27 Autumn Georgetown Half Marathon & 5K Washington DC
Sun Sep 27 The Bear Chase Trail Half Marathon & 10K Lakewood CO
Sun Sep 27 Bellingham Bay Marathon Half Marathon 10K & 5K Bellingham WA
Sun Sep 27 Bluegrass Half Marathon & Relay Johnson City TN
Sun Sep 27 Brooksie Way Half Marathon 10K & 5K Rochester MI
Sun Sep 27 Chicago Half Marathon & 5K Chicago IL
Sun Sep 27 Clarence DeMar Marathon & Half Marathon Keene NH
Sun Sep 27 The Dam Half Mifflinburg PA
Sun Sep 27 Franklin Lakes Scenic Half Marathon & 5K Franklin Lakes NJ
Sun Sep 27 Heartland Marathon Half Marathon 10K & Relay Omaha NE
Sun Sep 27 Linganore Winecellars Cross Country Classic Half Marathon 10-Mile & 5-Mile Mount Airy MD
Sun Sep 27 Mad Moose Half Marathon & 5K Smithfield RI
Sun Sep 27 OCNJ Half Marathon 10-Mile & 5K Ocean City NJ
Sun Sep 27 Prairie Series Marathon Half Marathon 10K & 5K – Day 3 Baltic SD
Sun Sep 27 Quad Cities Marathon Half Marathon 5K & Relay Moline IL
Sun Sep 27 Tiburon Half Marathon 10K & 5K Tiburon CA
Sun Sep 27 Wilmington Women's Half Marathon & 8K Wilmington DE
Sun Sep 27 ZOOMA Cape Cod Half Marathon & 10K Falmouth MA

Monday, September 28 – Wednesday, September 30

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