August 2018 Half Marathons

See all August 2018 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.


Wednesday, August 1 – Friday, August 3
Wed Aug 1 I Ran Marathons Majestic August Series – Galaxy San Antonio TX
Thu Aug 2 I Ran Marathons Majestic August Series – Spiral San Antonio TX
Fri Aug 3 I Ran Marathons Majestic August Series – Sombrero San Antonio TX

Saturday, August 4
Sat Aug 4 3H Trail Half Marathon King George VA
Sat Aug 4 Amana Colonies Back Road Half Marathon & 5K Amana IA
Sat Aug 4 Anacortes Art Dash Half Marathon 10K & 5K Anacortes WA
Sat Aug 4 Anti-Hero Series F. Castle Trail Run Half Marathon Mulberry FL
Sat Aug 4 Beast of Big Creek Trail Race Hoodsport WA
Sat Aug 4 Ben Moore Memorial Half Marathon & 10K Annapolis MD
Sat Aug 4 Catherine Creek Classic Half Marathon 5K & 1 Mile Union OR
Sat Aug 4 Crandall Canyon Memorial Run Half Marathon 10K & 5K Huntington UT
Sat Aug 4 Crawfish Crawl Half Marathon 5K & Relay Tualatin OR
Sat Aug 4 Dayton Muddler Half Marathon Dayton VA
Sat Aug 4 Don Lintereur Memorial Run Half Marathon 10K & 5K Tomahawk WI
Sat Aug 4 Eagle Creek Trail Marathon Half Marathon & Quarter Marathon Indianapolis IN
Sat Aug 4 Half in Half Moon Bay Half Marathon & 10K Half Moon Bay CA
Sat Aug 4 High Mountain Half Marathon Lakeside AZ
Sat Aug 4 I Ran Marathons Flagship Series – Cuba San Antonio TX
Sat Aug 4 I Ran Marathons Majestic August Series – Star San Antonio TX
Sat Aug 4 John & Jessie Kelley Half Marathon New London CT
Sat Aug 4 Lake Logan Multisport Festival Canton NC
Sat Aug 4 Lantern Run Half Marathon Salt Lake City UT
Sat Aug 4 The Legend Half Marathon 10K & 5K Laingsburg MI
Sat Aug 4 Mahomet Half Marathon 10K & 5K Mahomet IL
Sat Aug 4 Minnesota Half Marathon 10-Mile 10K 5-Mile & 5K St. Paul MN
Sat Aug 4 Mo' Bell Trail Races Burns TN
Sat Aug 4 National Watermelon Day Run Half Marathon 10K & 5K Hartford WI
Sat Aug 4 Orting Summerfest Half Marathon Orting WA
Sat Aug 4 Parowan City Half Marathon & 5K Parowan UT
Sat Aug 4 Quake and Shake Half Marathon & 10K Mammoth Lakes CA
Sat Aug 4 Red River High Mountain Half Marathon & 5K Red River NM
Sat Aug 4 Restaurant Run Half Marathon Seattle WA
Sat Aug 4 Rocky Mountain Half Marathon Estes Park CO
Sat Aug 4 Run to the Wall Half Marathon 10K & 5K Clinton OH
Sat Aug 4 Salinas Valley Half Marathon Soledad CA
Sat Aug 4 Santa Claus Half Marathon North Pole AK
Sat Aug 4 Santa Cruz Trail Run Felton CA
Sat Aug 4 Seven Lake Half Marathon Amery WI
Sat Aug 4 Still Hollow Half Marathon & 10K Chattanooga TN
Sat Aug 4 Summer Breeze Half Marathon 10K & 5K San Leandro CA
Sat Aug 4 Sunset on the Springwater Half Marathon & 10K Portland OR
Sat Aug 4 Tushars Mountain Runs Beaver UT
Sat Aug 4 Winter Park Half Marathon & 5K Winter Park CO

Sunday, August 5
Sun Aug 5 Beaver Creek Half Marathon 10K & 5K Beaver Creek CO
Sun Aug 5 Crystal Springs Trail Runs Woodside CA
Sun Aug 5 Drake Well Marathon & Half Marathon Titusville PA
Sun Aug 5 Hofbräuhaus Cleveland Half Marathon 10K & 5K Cleveland OH
Sun Aug 5 I Ran Marathons Majestic August Series – Sun San Antonio TX
Sun Aug 5 Mo' Bell Trail Races Burns TN
Sun Aug 5 Noyo Headlands Race Half Marathon 10K & 5K Fort Bragg CA
Sun Aug 5 Rockin' the LP Half Marathon 10K & 5K Snellville GA
Sun Aug 5 Treasured Haven Farm Veggie Run Half Marathon Rush City MN
Sun Aug 5 Triple Threat Half Marathon 5K & 1-Mile Rockport MA

Monday, August 6 – Friday, August 10
Thu Aug 9 Tromptown Run Half Marathon 5K & Fun Run DeRuyter NY

Saturday, August 11
Sat Aug 11 Angel Island Half Marathon & 10K Tiburon CA
Sat Aug 11 Aspen Backcountry Marathon & Half Marathon Aspen CO
Sat Aug 11 Badlands 50-Miler 50K Marathon 16-Miler Half Marathon & 10K Medora ND
Sat Aug 11 Bear Creek Trail Half Marathon 10K & 5K Martinez CA
Sat Aug 11 Beat the Heat Half Marathon 10K & 5K Bellevue NE
Sat Aug 11 Beaver Chase Urban Trail Quarter Half & Full Marathon Indianapolis IN
Sat Aug 11 Camp Chingachgook Challenge Half Marathon & 10K Lake George NY
Sat Aug 11 Cinderella Trail Run Marathon Half Marathon 50K 30K & 5-Mile Oakland CA
Sat Aug 11 Crater Lake Rim Runs Marathon Half Marathon & 6.7-Mile Crater Lake OR
Sat Aug 11 Dave McKay Memorial Half Marathon & 5K Flagstaff AZ
Sat Aug 11 Dragon’s Den Half Marathon 10K & 5K San Antonio TX
Sat Aug 11 Galloping Gertie Half Marathon Gig Harbor WA
Sat Aug 11 Garlic Festival Half Marathon 10K & 5K North Plains OR
Sat Aug 11 Georgetown to Idaho Springs Half Marathon Georgetown CO
Sat Aug 11 Go Far Woman Half Marathon 10K & 5K Fargo ND
Sat Aug 11 Goodyear Half Marathon & 10K Akron OH
Sat Aug 11 Gopher to Badger Half Marathon & 5K Stillwater MN
Sat Aug 11 The Great Johnstown to Granville Half Marathon Granville OH
Sat Aug 11 Haulin' Aspen Marathon Half Marathon & 6.5-Mile Bend OR
Sat Aug 11 Hot Trot Half Marathon Dallas TX
Sat Aug 11 Kingdom Run Half Marathon 10K & 5K Irasburg VT
Sat Aug 11 Lantern Run Los Angeles Redondo Beach CA
Sat Aug 11 Leinenkugel’s Pure Water Days Races Half Marathon Chippewa Falls WI
Sat Aug 11 Lynchburg Half Marathon & 5K Lynchburg VA
Sat Aug 11 Mount Sneffels Marathon & Half Marathon Ouray CO
Sat Aug 11 Paavo Nurmi Marathon & Half Marathon Hurley WI
Sat Aug 11 Philadelphia Mayor's Cup Half Marathon 10M 10K 5M & 5K Philadelphia PA
Sat Aug 11 Point to Point Half Marathon Brownsville VT
Sat Aug 11 Porter's Half Marathon & 10K Draper UT
Sat Aug 11 Race the Reserve Marathon Half Marathon 10K & 5K Coupeville WA
Sat Aug 11 Raptor Ridge Half Marathon & 15K Escondido CA
Sat Aug 11 Riverfest Half Marathon Watertown WI
Sat Aug 11 Run For Your Momma Half Marathon 5K & Relay Marion KS
Sat Aug 11 Run the Rockies Trail Half Marathon & 5K Frisco CO
Sat Aug 11 Skyline Mountain Marathon Half Marathon & 55K Eden UT
Sat Aug 11 Summer Break Half Marathon 15K 10K & 5K Long Beach CA
Sat Aug 11 Tiger Mountain Trail Runs Marathon Half Marathon & 50K Issaquah WA
Sat Aug 11 Totem Trot Half Marathon Haines AK
Sat Aug 11 Vigor Solitude Trail Series Race #3 Solitude UT
Sat Aug 11 Watoga Mountain Trail Challenge Races Marlinton WV

Sunday, August 12
Sun Aug 12 Bridge of the Gods Half Marathon 10K & 5K Cascade Locks OR
Sun Aug 12 Camarillo Marathon Half Marathon 10K & 5K Camarillo CA
Sun Aug 12 Columbus Half Marathon 10K & 5K Hilliard OH
Sun Aug 12 East Bay Half Marathon 10K & 5K East Providence RI
Sun Aug 12 Half-Wit Half Marathon Reading PA
Sun Aug 12 Humboldt Bay Marathon & Half Marathon Arcata CA
Sun Aug 12 I Ran Marathons Flagship Series – Cyprus San Antonio TX
Sun Aug 12 Little Miami Half Marathon & 10K Morrow OH
Sun Aug 12 Lovelace Rio Grande Half Marathon & 5K Run/Walk Albuquerque NM
Sun Aug 12 Mud & Chocolate Half Marathon & 4.5-Mile Trail Run Sammamish WA
Sun Aug 12 Oaktown Half Marathon Oakland CA
Sun Aug 12 Run Michigan Cheap Half Marathon 10K & 5K – Traverse City Traverse City MI
Sun Aug 12 SAR Wild Run Half Marathon 10K 5K & 2-Mile Shaver Lake CA
Sun Aug 12 Steamboat Stinger Marathon & Half Marathon Steamboat Springs CO
Sun Aug 12 Summer Sizzle Half Marathon 15K 10K & 5K Santa Monica CA
Sun Aug 12 Viking Dash Trail Run Half Marathon 15K & 5K – Hell MI Gregory MI
Sun Aug 12 XTERRA Muleshoe Trail Runs Spicewood TX

Monday, August 13 – Friday, August 17
Fri Aug 17 Tread Nightly Half Marathon Charlotte NC

Saturday, August 18
Sat Aug 18 Area 13.1 Half Marathon & 5K Roswell GA
Sat Aug 18 Bald Eagle Half Marathon & 10K Callicoon NY
Sat Aug 18 Basalt Half Marathon Basalt CO
Sat Aug 18 Cheesehead Run Half Marathon 5K & Relay Hilbert WI
Sat Aug 18 Churchill Classic Trail Run Cheboygan MI
Sat Aug 18 Half Moon Half Terre Haute IN
Sat Aug 18 Harder Than Hell Half Marathon Nixa MO
Sat Aug 18 Heart and Sole Community Half Marathon 10K & 5K Wooster OH
Sat Aug 18 Hell of a Half Marathon Exeter CA
Sat Aug 18 Herriman Hold'em Half Herriman UT
Sat Aug 18 Hobble Creek Half Marathon Mapleton UT
Sat Aug 18 I Ran Marathons Flagship Series – Czech Republic San Antonio TX
Sat Aug 18 Kickin’ Assphault Half Marathon & 10K Great Falls MT
Sat Aug 18 Logan View Raider Run Marathon Half Marathon 50K & 5K Hooper NE
Sat Aug 18 Madison Mini Marathon 5K & Kids' Run Madison WI
Sat Aug 18 Magnuson Series Summer Fitness Day Half Marathon Seattle WA
Sat Aug 18 Monkey Face Half Marathon 7-Mile & 4-Mile Terrebonne OR
Sat Aug 18 Mora Half Marathon & Classic 5K Mora MN
Sat Aug 18 New River Gorgeous Trail Run Half Marathon Minden WV
Sat Aug 18 News & Sentinel Half Marathon & 2-Mile Race Parkersburg WV
Sat Aug 18 Pikes Peak Ascent Half Marathon Manitou Springs CO
Sat Aug 18 Race the Peak Half Marathon & 10K Lakeshore CA
Sat Aug 18 Rockin' Summer Half Marathon 15K 10K & 5K Huntington Beach CA
Sat Aug 18 Run Elevated Half Marathon Sandy UT
Sat Aug 18 Run Michigan Cheap Half Marathon 10K & 5K — Big Rapids Big Rapids MI
Sat Aug 18 Run with the Horses Marathon Half Marathon & 10K Green River WY
Sat Aug 18 Running Between the Vines Half Marathon 5-Mile & 5K Jackson MI
Sat Aug 18 Running with the Bears Marathon Half Marathon & 10K Greenville CA
Sat Aug 18 Summer Blast at Redmond Watershed Marathon Half Marathon 10-Mile & 5-Mile Redmond WA
Sat Aug 18 Sunset Half Marathon 10K & 5K – Chicago Chicago IL
Sat Aug 18 Tacoma Narrows Half Marathon Tacoma WA
Sat Aug 18 Trail Run at Sly Park Pollock Pines CA
Sat Aug 18 Tread Brightly Half Marathon Charlotte NC
Sat Aug 18 Under Armour Mountain Running Series: Killington VT Killington VT
Sat Aug 18 USAF Buildup Races Half Marathon Wright-Patterson AFB OH
Sat Aug 18 Volcano Rain Forest Runs Half Marathon 10K & 5K Volcano HI
Sat Aug 18 Wings and Wheels Half Marathon Scappoose OR
Sat Aug 18 Wolverine Canyon Marathon Half Marathon 10K & 5K Blackfoot ID

Sunday, August 19
Sun Aug 19 America’s Finest City Half Marathon & 5K San Diego CA
Sun Aug 19 Anchorage RunFest Skinny Raven Half Marathon Anchorage AK
Sun Aug 19 August Madness Half Marathon 10K & 5K Snellville GA
Sun Aug 19 Bristol Half Marathon & 10K Bristol CT
Sun Aug 19 Dog Days of Summer Half Marathon 10K & 5K Denver CO
Sun Aug 19 Evergreen Half Marathon & 10K Monroe WA
Sun Aug 19 Hoot Half & 10K Lewis Center OH
Sun Aug 19 Leading Ladies Marathon & Half Marathon Spearfish SD
Sun Aug 19 Michigan 13.Wine Half Marathon & 5K Baroda MI
Sun Aug 19 Rock Hall Half Marathon 10K 5K & Relay Cleveland OH
Sun Aug 19 Run Michigan Cheap Half Marathon 10K & 5K – Midland Midland MI
Sun Aug 19 Sevathon Half Marathon 10K & 5K San Jose CA
Sun Aug 19 Tour de Force Charity Runs Half Marathon 10K & 5K Plattsburgh NY
Sun Aug 19 Viking Dash Trail Run – Seattle Seattle WA

Saturday, August 25
Sat Aug 25 A Midsummer Night's Madness Half Marathon & Relay Honeoye Falls NY
Sat Aug 25 All-Out Runapalooza Half Marathon 10K 5K & 1-Mile Arvada CO
Sat Aug 25 Almaden Hills Trail Run San Jose CA
Sat Aug 25 Badgerland Striders’ Strider Half Marathon Milwaukee WI
Sat Aug 25 Bergen Peak Half Marathon Evergreen CO
Sat Aug 25 Best Dam Run & Walk Half Marathon Whitingham VT
Sat Aug 25 Canby Dahlia Run Half Marathon & 10K Canby OR
Sat Aug 25 Carderock Charge Half Marathon 10K & 5K Potomac MD
Sat Aug 25 Catharine Valley Half Marathon Watkins Glen NY
Sat Aug 25 Colville Country Roads Half Marathon Colville WA
Sat Aug 25 Conserve School Trail Run Land O'Lakes WI
Sat Aug 25 End of Summer Half & 5K Rockaway Beach NY
Sat Aug 25 High Country Half Marathon Boone NC
Sat Aug 25 LaGrange Road Race Half Marathon LaGrange IN
Sat Aug 25 Main to Main Marathon Half Marathon & 10K Osage IA
Sat Aug 25 Mendocino Coast PAL Big River Run and Walk Half Marathon Mendocino CA
Sat Aug 25 Mesa Falls Marathon Half Marathon 10K & 5K Ashton ID
Sat Aug 25 Moonlight Madness Half Marathon Las Vegas NV
Sat Aug 25 Mount Nebo Marathon & Half Payson UT
Sat Aug 25 Nebraska State Fair Marathon Half Marathon 5K & Relay Grand Island NE
Sat Aug 25 North Country Trail Marathon Half Marathon & 50-Mile Wellston MI
Sat Aug 25 Patrick Henry Half Marathon Ashland VA
Sat Aug 25 Rockwood Rotary Half Marathon 10K & 5K Rockwood PA
Sat Aug 25 Run Michigan Cheap Half Marathon 10K & 5K – Spring Lake Spring Lake MI
Sat Aug 25 Running the Rapids Half Marathon & 5K Cohasset MN
Sat Aug 25 San Bruno Mountain Run Half Marathon 10K & 5K Brisbane CA
Sat Aug 25 Scheels Healthy Human Race Half Marathon 5K & Relay Rochester MN
Sat Aug 25 Step Into Fall Half Marathon & 5K Spokane WA
Sat Aug 25 Summer Sizzle Half Marathon 15K 10K & 5K Long Beach CA
Sat Aug 25 Thirsty 13 Half Marathon Durango CO
Sat Aug 25 Top of Utah Half Marathon Logan UT
Sat Aug 25 Tour de La Porte Half Marathon 10K & 5K La Porte IN
Sat Aug 25 Viking Dash Trail Run Half Marathon 15K 10K & 5K Muncie IN
Sat Aug 25 Wausau Marathon Half Marathon & Relay Wausau WI
Sat Aug 25 Women Rock Half Marathon St. Paul MN

Sunday, August 26
Sun Aug 26 18.12 Challenge & Half Marathon Watertown NY
Sun Aug 26 Animal Run Half Marathon Fremont CA
Sun Aug 26 Black Diamond Express Half Marathon & 5K Mendon NY
Sun Aug 26 Blueberry Cove 13.1 Half Marathon Tenants Harbor ME
Sun Aug 26 Dale F. Kilwein Memorial Run Half Marathon Dickinson ND
Sun Aug 26 Diablo Trail Marathon Half Marathon 50K 4M & 10M Clayton CA
Sun Aug 26 E.T. Full Moon Midnight Half Marathon Rachel NV
Sun Aug 26 Emerald City Half Marathon & Quarter Marathon Dublin OH
Sun Aug 26 Erie Half Marathon & 5K Erie CO
Sun Aug 26 I Ran Marathons Flagship Series – Denmark San Antonio TX
Sun Aug 26 I Ran Marathons Triple Crown Challenge – Daryayenoor San Antonio TX
Sun Aug 26 Iron Horse Half Marathon North Bend WA
Sun Aug 26 North Country Trail Half Marathon Wellston MI
Sun Aug 26 Reno 5000 Half Marathon Reno NV
Sun Aug 26 Rockin' Summer Half Marathon 15K 10K & 5K Santa Monica CA
Sun Aug 26 Roger's Grove Trail Half Marathon & 10K Longmont CO
Sun Aug 26 Run Michigan Cheap Half Marathon 10K & 5K – Millington Millington MI
Sun Aug 26 The Santa Rosa Marathon Half Marathon 10K & 5K Santa Rosa CA
Sun Aug 26 Underdown Half Marathon 10K & 5K Gleason WI

Monday, August 27 – Friday, August 31
Mon Aug 27 I Ran Marathons Triple Crown Challenge – Ocean Heart San Antonio TX
Tue Aug 28 I Ran Marathons Triple Crown Challenge – Kiani San Antonio TX
Wed Aug 29 I Ran Marathons Triple Crown Challenge – Royal San Antonio TX
Thu Aug 30 Five Track Mind Marathon & Half Marathon – Clayton Clayton NM
Thu Aug 30 I Ran Marathons Triple Crown Challenge – Holy San Antonio TX
Fri Aug 31 Five Track Mind Marathon & Half Marathon – Texline Texline TX
Fri Aug 31 I Ran Marathons Triple Crown Challenge – Hope San Antonio TX

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