September 2020 Half Marathons

NOTE: Many races have been cancelled, postponed, or switched to virtual-only due to the ongoing COVID-19 pandemic. We’re doing our best to update information as soon as possible, but check the race’s website for the latest details.

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.


Tuesday, September 1 – Friday, September 4

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 Andrew Jackson Marathon & Half Marathon Jackson TN
Sat Sep 12 Best in the West Triathlon Festival Half Marathon Sweet Home OR
Sat Sep 12 Black Squirrel Half Marathon Fort Collins CO
Sat Sep 12 Breakneck Point Trail Runs Beacon NY
Sat Sep 12 Brookings Marathon Half Marathon & Relay Brookings SD
Sat Sep 12 Cascade Express Half Marathon Snoqualmie Pass WA
Sat Sep 12 Cedar City Half Marathon Cedar City UT
Sat Sep 12 Charlotte Covered Bridge Half Marathon 10K & 5K Shelburne VT
Sat Sep 12 Cleveland Half Marathon Cleveland TN
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 Fair on the Square Half Marathon Danville IN
Sat Sep 12 Great Smoky Mountains Half Marathon Maryville TN
Sat Sep 12 Lapham Peak Trail Races Marathon Half Marathon 50K 10K & 5K Nashotah WI
Sat Sep 12 Mahoosuc Ridge to the River Challenge Half Marathon & 10K Bethel ME
Sat Sep 12 Mellow Trail Run Marathon Half Marathon 10K & 5K Spicewood TX
Sat Sep 12 Moonlight Miles Half Marathon Quarter Marathon & 5K Springfield IL
Sat Sep 12 Mountain Ridge Half Marathon & 10K Highlands Ranch 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 Pacifica Summit Run Half Marathon 30K & 10K Pacifica CA
Sat Sep 12 Petersburg Half Marathon & 5K Petersburg VA
Sat Sep 12 Race to the Center Half Marathon Smith Center KS
Sat Sep 12 Resurgence Half Marathon 10K & 5K Buffalo NY
Sat Sep 12 Riggins Salmon Run Half Marathon 10K & 5K Riggins ID
Sat Sep 12 Roanoke Canal Half Marathon 8K & 5K Roanoke Rapids NC
Sat Sep 12 Rock 'n the Knob Trail Challenge Marathon Half Marathon & 10K Claysburg PA
Sat Sep 12 Run Lake Max Half Marathon 10K & 5K Culver IN
Sat Sep 12 Run to the Rock Half Marathon 10K & 5K Plymouth MA
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 Trail Hog Half Marathon 10K & 5K San Jose CA
Sat Sep 12 Twisted Pine Run Half Marathon & 5-Mile Newport OR
Sat Sep 12 Uintah Half Marathon Vernal UT
Sat Sep 12 Wabash Trace Marathon Half Marathon & Relay Shenandoah IA
Sat Sep 12 ZombieRunner San Francisco Half Marathon 10K & 5K San Francisco CA

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 Chippewa Valley River Run Half Marathon & 5K Eau Claire WI
Sun Sep 13 D&H Distance Run Half Marathon Forest City PA
Sun Sep 13 Detroit Women's Half Marathon 10K & 5K Detroit MI
Sun Sep 13 Fast Half Marathon South Hamilton MA
Sun Sep 13 Harrisburg Half Marathon & Relay Harrisburg PA
Sun Sep 13 Holland Haven Marathon & Half Marathon Holland MI
Sun Sep 13 Hub City Half Marathon & 5K Crown Point IN
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 NYC Lives Half Marathon Brooklyn NY
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 Tear Drop Half Marathon Chatsworth GA
Sun Sep 13 Whidbey Island Marathon Half Marathon 10K & 5K Oak Harbor WA

Monday, September 14 – Friday, September 18

Fri Sep 18 Zion at Night Small Group Half Marathon Springdale UT

Saturday, September 19

Sat Sep 19 All-Out Fallfest Marathon Half Marathon 10K & 5K Westminster CO
Sat Sep 19 Berkeley Trail Adventure Half Marathon 50K 35K & 10K Berkeley CA
Sat Sep 19 Big Lake Half Marathon Alton NH
Sat Sep 19 Buffalo Bill Cody Races Half Marathon & 10K Cody WY
Sat Sep 19 Camp 4 Coffee Cart to Cart Trail Race Crested Butte CO
Sat Sep 19 Crossroads Half Marathon Terre Haute IN
Sat Sep 19 Devil After Dark Marathon Half Marathon 10K & 5K Las Vegas NV
Sat Sep 19 Do or Die Half Marathon & 5K Boonville MO
Sat Sep 19 Do the Q Half Marathon Quarter Marathon & 5K Tulsa OK
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 Flowers 2 Frost Half Marathon 10K & 5K Eagle ID
Sat Sep 19 Give Back Run Half Marathon 10K & 5K Columbia MO
Sat Sep 19 Grayson Highlands Half Marathon Mouth of Wilson VA
Sat Sep 19 Great Land Run Half Marathon 10K & 5K Enid OK
Sat Sep 19 Hoptown Half Marathon & 5K Hopkinsville KY
Sat Sep 19 Indy Women's Half Marathon & 5K Indianapolis IN
Sat Sep 19 Mountain Rats Marathon Half Marathon & 50K Eagle CO
Sat Sep 19 Park City Trail Series Half Marathon Park City UT
Sat Sep 19 Planet NY Half Marathon Queens NY
Sat Sep 19 Rancho San Vicente Trail Challenge San Jose CA
Sat Sep 19 Snow Mountain Ranch Trail Running Festival Granby CO
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 Sterling Furnace Half Marathon Tuxedo NY
Sat Sep 19 Triboro Adventure Tour Half Marathon Astoria NY
Sat Sep 19 Walker North Country Marathon Half Marathon & 10K Walker MN
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 Burton Creek Trail Half Marathon 12K & 6K Tahoe City CA
Sun Sep 20 Capital City River Run Half Marathon 5K & Relay Lansing MI
Sun Sep 20 City of Roses Half Marathon & 5K Cape Girardeau MO
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 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 Her Half Marathon & 5K Middleton WI
Sun Sep 20 Hokie Half Marathon & 5K Blacksburg VA
Sun Sep 20 Iron Horse Half Marathon & 12K Midway KY
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 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 To Do My Best Half Marathon 10K & 5K Piqua OH
Sun Sep 20 Trapp Cabin Trail Half Marathon 10K & 5K Stowe VT

Monday, September 21 – Friday, September 25

Fri Sep 25 Tread Nightly Half Marathon Charlotte NC

Saturday, September 26

Sat Sep 26 Amish Country Running Festival Randolph NY
Sat Sep 26 Armed Services Marathon Half Marathon & 5K Spring Lake MI
Sat Sep 26 Beat the Street for Little Feet Half Marathon & 5K Sweetwater TX
Sat Sep 26 Birkie Trail Run Festival Cable WI
Sat Sep 26 down2earth Cross Country Run Half Marathon 10K & 5K Hialeah FL
Sat Sep 26 Fort4Fitness Half Marathon 10K & 4-Mile Fort Wayne IN
Sat Sep 26 Free State Trail Run Marathon Half Marathon 100K & 40M Lawrence KS
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 Helotes Half Marathon 5K & Relay Helotes TX
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 Jim Thorpe Area Running Festival Jim Thorpe PA
Sat Sep 26 Jordan River Half Marathon South Jordan UT
Sat Sep 26 Martha's Vineyard Marathon & Half Marathon Martha's Vineyard MA
Sat Sep 26 Mill Race Marathon Half Marathon & 5K Columbus IN
Sat Sep 26 Monument Marathon Half Marathon & 5K Scottsbluff NE
Sat Sep 26 Park2Park Half Marathon & 5K Holland MI
Sat Sep 26 People Pathways Half Marathon & 5K Greencastle IN
Sat Sep 26 Pinedale Half Marathon 10K & 1-Mile Pinedale WY
Sat Sep 26 Prairie Dog Half Marathon & 10K Westminster CO
Sat Sep 26 Rocky Ridge Half Marathon 10K & 5K San Ramon CA
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 Sierra Azul Trail Challenge Half Marathon Los Gatos CA
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 Truckee Half Marathon & 5K Truckee CA
Sat Sep 26 Waldoboro Half Marathon Waldoboro ME
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 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 The Dam Half Mifflinburg PA
Sun Sep 27 Fort Hill Brewery Half Marathon Easthampton MA
Sun Sep 27 Franklin Lakes Scenic Half Marathon & 5K Franklin Lakes NJ
Sun Sep 27 Harstine Island Half Marathon Shelton WA
Sun Sep 27 Heartland Marathon Half Marathon 10K & Relay Omaha NE
Sun Sep 27 Kenai River Marathon & Half Marathon Kenai AK
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 Negative Split Half Marathon 10K & 5K Spokane WA
Sun Sep 27 OCNJ Half Marathon 10-Mile & 5K Ocean City NJ
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