See all August 2017 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, August 1
- I Ran Marathons Majestic Galaxy Marathon, Half Marathon, 10K & 5K in San Antonio, TX
Wednesday, August 2
- I Ran Marathons Majestic Spiral Marathon, Half Marathon, 10K & 5K in San Antonio, TX
Thursday, August 3
- I Ran Marathons Majestic Sombrero Marathon, Half Marathon, 10K & 5K in San Antonio, TX
Friday, August 4
- I Ran Marathons Majestic Supernova Marathon, Half Marathon, 10K & 5K in San Antonio, TX
Saturday, August 5
- 3H Trail Half Marathon in King George, VA
- Amana Colonies Back Road Half Marathon & 5K in Amana, IA
- Anacortes Art Dash Half Marathon, 10K & 5K in Anacortes, WA
- Bald Eagle Half Marathon in Callicoon, NY
- Beast of Big Creek Trail Race in Hoodsport, WA
- Catherine Creek Classic Half Marathon, 1-Mile & 5K in Union, OR
- Crawfish Crawl Relay, 5K & Half Marathon in Tualatin, OR
- Crystal Springs Trail Run Marathon, Half Marathon, 50K, 5M & 22M in Woodside, CA
- Don Lintereur Memorial Run Half Marathon, 10K, 5K & 1-Mile in Tomahawk, WI
- Echo Summit Trail Challenge in Twin Bridges, CA
- High Mountain Half Marathon in Lakeside, AZ
- Huckleberry Half Marathon, 10K & 5K in Welches, OR
- I Ran Marathons Majestic Andromeda Marathon, Half Marathon, 10K & 5K in San Antonio, TX
- John and Jessie Kelley Half Marathon in New London, CT
- Lake Logan Half Multisport Festival in Canton, NC
- The Legend Half Marathon, 10-Mile & 5-Mile in Laingsburg, MI
- MAYC Mahomet Half Marathon, 10K & 5K in Mahomet, IL
- Minnesota Half Marathon & 6K in St. Paul, MN
- National Watermelon Day Run Half Marathon, 10K, 5K & 1K in Hartford, WI
- Night Moves Marathon, Half Marathon, 10K & 5K in Cat Spring, TX
- Orting Summerfest Half Marathon, 10K & 5K in Orting, WA
- Parowan City Half Marathon & 5K in Parowan, UT
- Quake & Shake Half Marathon in Mammoth Lakes, CA
- Rock the Bayshore Marathon, Half Marathon, 15K, 10K & 5K in Long Beach, CA
- Run 4 Ultrasound Half Marathon, 10K & 5K in Lakewood, WA
- Run For Your Life Half Marathon in Boise, ID
- Run to the Wall Half Marathon, 10K & 5K in Clinton, OH
- Salinas Valley Half Marathon in Soledad, CA
- Santa Claus Half Marathon in North Pole, AK
- Santa Cruz Trail Run in Felton, CA
- Still Hollow Half Marathon & 10K in Chattanooga, TN
- Summer Breeze Half Marathon, 10K & 5K in San Leandro, CA
- Sunset on the Springwater Half Marathon & 10K in Portland, OR
- Winter Park Half Marathon & 5K in Winter Park, CO
Sunday, August 6
- Badass Texas Half Marathon, 10K & 5K in Waco, TX
- Drake Well Marathon & Half Marathon in Titusville, PA
- E.T. Full Moon Midnight Half Marathon in Rachel, NV
- Empowered Race Series Half Marathon in San Francisco, CA
- Hofbräuhaus Cleveland Half Marathon, 10K & 5K in Cleveland, OH
- Run the Marina Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Summer Dash Half Marathon, 15K, 10K & 5K in Santa Monica, CA
- Triple Threat Half Marathon, 1-Mile & 5K in Rockport, MA
- Water to Wine Half Marathon & 10K in Fulton, CA
Thursday, August 10
- Trompton Run Half Marathon, 5K & 1-Mile Fun Run in DeRuyter, NY
Saturday, August 12
- Aspen Backcountry Marathon & Half Marathon in Aspen, CO
- The Badlands Marathon, Half Marathon, 50M, 16M, 50K & 10K in Medora, ND
- Bear Creek Trail Half Marathon, 10K & 5K in Martinez, CA
- Beat the Heat Half Marathon, 10K & 5K in Bellevue, NE
- Beaver Chase Urban Trail Race Marathon, Half Marathon & Quarter Marathon in Indianapolis, IN
- Ben Moore Memorial Half Marathon & 10K in Annapolis, MD
- Blast the Marina Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Camp Chingachgook Challenge Half Marathon & 10K in Lake George, NY
- Cinderella Trail Run Marathon, Half Marathon, 50K, 30K & 5-Mile in Oakland, CA
- Crater Lake Rim Runs Marathon, Half Marathon & 6.7-Mile in Crater Lake, OR
- Dave McKay Memorial Half Marathon & 5K in Flagstaff, AZ
- Dragon’s Den Half Marathon, 10K & 5K in San Antonio, TX
- Full Moon Race Half Marathon & 5K in Plymouth, WI
- Galloping Gertie Half Marathon in Gig Harbor, WA
- Garlic Festival Half Marathon, 10K & 5K in North Plains, OR
- Georgetown to Idaho Springs Half Marathon in Georgetown, CO
- Goodyear Half Marathon & 10K in Akron, OH
- Gopher to Badger Half Marathon & 5K in Stillwater, MN
- Haulin’ Aspen Marathon, Half Marathon & 6.5-Mile in Bend, OR
- Hell of a Half Marathon in Exeter, CA
- Kingdom Run Half Marathon, 10K & 5K in Irasburg, VT
- Leinenkugel’s Pure Water Days Races Half Marathon in Chippewa Falls, WI
- Lynchburg Half Marathon & 5K in Lynchburg, VA
- Mount Carmel Columbus Half Marathon, 10K & 5K in Groveport, OH
- Mount Sneffels Marathon & Half Marathon in Ouray, CO
- Old Farts Marathon, Half Marathon & 5K in Lowell, MI
- Paavo Nurmi Marathon & Half Marathon in Hurley, WI
- Panda Bear Night Run Half Marathon, 10K & 5K in Saranac, MI
- Philly Mayor’s Cup Half Marathon in Philadelphia, PA
- Race 13.1 Grand Rapids Half Marathon, 10K & 5K in Grand Rapids, MI
- Race the Reserve Marathon, Half Marathon, 10K & 5K in Coupeville, WA
- Riverfest Half Marathon & 5K in Watertown, WI
- Rocky Mountain Half Marathon in Estes Park, CO
- Run for Your Momma Half Marathon, Relay & 5K in Marion, KS
- Run the Rockies Trail 10K & Half Marathon in Frisco, CO
- Stairway to Heaven Ultra Half Marathon & 10K in San Diego, CA
- Summer Sizzle Half Marathon, 15K, 10K & 5K in Long Beach, CA
- Suncadia Multisport Festival Half Marathon in Cle Elum, WA
- Tiger Mountain Trail Runs in Issaquah, WA
- The Town’s Half Marathon & 5K in Oakland, CA
- Totem Trot Half Marathon & 5K in Haines, AK
- Vigor Trail Half Marathon in Solitude, UT
- Viking Dash Trail Run – Hell, MI in Gregory, MI
- Watoga State Park Mountain Trail Challenge Half Marathon & 5K in Marlinton, WV
- Wolverine Canyon Marathon, Half Marathon, 10K & 5K in Blackfoot, ID
Sunday, August 13
- Beaver Creek Trail Half Marathon, 10K & 5K in Beaver Creek, CO
- Bridge of the Gods Half Marathon & 10K in Cascade Locks, OR
- Bristol Half Marathon & Relay in Bristol, CT
- Cruise the Shoreline Marathon, Half Marathon, 15K, 10K & 5K in Long Beach, CA
- East Bay Half Marathon, 10K & 5K in East Providence, RI
- Half-Wit Half Marathon in Reading, PA
- The Hottest Half & 10K in Dallas, TX
- Humboldt Bay Marathon & Half Marathon in Arcata, CA
- Lake Merced Half Marathon & 4.5 Mile Run in San Francisco, CA
- Little Miami Half Marathon & 10K in Morrow, OH
- Lovelace Rio Grande Half Marathon & 5K in Albuquerque, NM
- Mineral Creek Half Marathon in Valdez, AK
- Mud & Chocolate Half Marathon & 4.5-Mile Trail Run in Sammamish, WA
- Rockin’ the LP Half Marathon, 10K & 5K in Snellville, GA
- SAR Wild Run Half Marathon, 10K, 5K & 2-Mile in Shaver Lake, CA
- Steamboat Stinger Marathon & Half Marathon in Steamboat Springs, CO
- Treasured Haven Farm Veggie Run Half Marathon in Rush City, MN
- Xterra Cameron Park Trail Runs 21K, 10K & 5K in Waco, TX
Tuesday, August 15
- I Ran Marathons Triple Crown Marathon, Half Marathon, 10K & 5K in San Antonio, TX
Wednesday, August 16
- I Ran Marathons Triple Crown Marathon, Half Marathon, 10K & 5K in San Antonio, TX
Thursday, August 17
- I Ran Marathons Triple Crown Marathon, Half Marathon, 10K & 5K in San Antonio, TX
Friday, August 18
- I Ran Marathons Triple Crown Marathon, Half Marathon, 10K & 5K in San Antonio, TX
Saturday, August 19
- Area 13.1 Half Marathon & 5K in Roswell, GA
- Basalt Half Marathon in Basalt, CO
- Big Rapids – Run Michigan Cheap Half Marathon, 10K & 5K in Big Rapids, MI
- Cheesehead Run Half Marathon, Relay & 5K in Hilbert, WI
- Churchill Classic Trail Run in Cheboygan, MI
- Go Far Woman Half Marathon, Relay, 10K & 5K in Fargo, ND
- Harder Than Hell Half Marathon in Highlandville, MO
- Heart & Sole Community Half Marathon, 10K & 5K in Wooster, OH
- Herriman Hold’em Half in Herriman, UT
- Hobble Creek Half Marathon in Mapleton, UT
- I Ran Marathons Triple Crown Marathon, Half Marathon, 10K & 5K in San Antonio, TX
- Idaho Wine Run Harvest Half Marathon, 10K & 5K in Boise, ID
- Jackson County 4H Clover Chase Half Marathon & 5K in Merrillan, WI
- Jasper Highlands Half Marathon & 10K in Jasper, TN
- Kickin’ Assphault Half Marathon & 10K in Great Falls, MT
- Logan View Raider Run Marathon, Half Marathon, 50K & 5K in Hooper, NE
- Madison Mini Marathon, 5K & Kids’ Run in Madison, WI
- Magnuson Series Summer Fitness Day Half Marathon in Seattle, WA
- Monkey Face Half Marathon & 4-Mile in Terrebonne, OR
- Monster Marathon & Half Marathon in Ithaca, NY
- Mora Half Marathon & Classic 5K in Mora, MN
- New River Gorgeous Trail Run Half Marathon, 8.5-Mile & 5-Mile in Minden, WV
- News & Sentinel Half Marathon & 2-Mile Race in Parkersburg, WV
- Pikes Peak Ascent Half Marathon in Manitou Springs, CO
- Riverside Relay Marathon & Half Marathon in Evansville, IN
- Rock the Ocean Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Run Elevated Half Marathon in Sandy, UT
- Run With the Horses Marathon, Half Marathon & 10K in Green River, WY
- Running Between the Vines Half Marathon, 5-Mile & 5K in Jackson, MI
- Running With the Bears Marathon, Half Marathon & 10K in Greenville, CA
- Skyline Mountain Marathon, Half Marathon & 50K in Eden, UT
- Summer Blast at Redmond Watershed Marathon, Half Marathon, 10 Mile & 5 Mile in Redmond, WA
- Summer Breeze Half Marathon, 10 Mile & 10K in Huntington Beach, CA
- Tacoma Narrows Half Marathon in Tacoma, WA
- Trail Run to Sly Park Lake in Pollock Pines, CA
- Under Armour Mountain Running Series – Killington in Killington, VT
- Volcano Rain Forest Runs Half Marathon, 10K & 5K in Volcano, HI
Sunday, August 20
- America’s Finest City Half Marathon & 5K in San Diego, CA
- Anchorage RunFest Skinny Raven Half Marathon in Anchorage, AK
- Blitz the Bay Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Hellbender Half Marathon in Bear Gap, PA
- The Hoot Half & 10K Trail Race in Lewis Center, OH
- I Ran Marathons Triple Crown 21 Run Salute Marathon, Half Marathon, 10K & 5K in San Antonio, TX
- Jersey City Half Marathon in Jersey City, NJ
- Leading Ladies Marathon & Half Marathon in Spearfish, SD
- Michigan 13.Wine Half Marathon & 5K in Baroda, MI
- Midland – Run Michigan Cheap Half Marathon, 10K & 5K in Midland, MI
- Palmer Lake Half Marathon in Palmer Lake, CO
- Rock Hall Half Marathon & 5K in Cleveland, OH
- Summer Showdown Half Marathon, 15K, 10K & 5K in Santa Monica, CA
- Sylvan Beach Races – Half Marathon & 10K in Verona, NY
- Tour de Force Half Marathon, 10K, 5K & 1-Mile in Plattsburgh, NY
- Trust Trail Fest Half Marathon in Kennebunkport, ME
Monday, August 21
- I Ran Marathons Triple Crown 21 Run Salute Marathon, Half Marathon, 10K & 5K in San Antonio, TX
- Run for Totality Half Marathon, 10K & 5K in Falls City, NE
Tuesday, August 22
- I Ran Marathons Triple Crown 21 Run Salute Marathon, Half Marathon, 10K & 5K in San Antonio, TX
Wednesday, August 23
- I Ran Marathons Triple Crown 21 Run Salute Marathon, Half Marathon, 10K & 5K in San Antonio, TX
Thursday, August 24
- I Ran Marathons Triple Crown 21 Run Salute Marathon, Half Marathon, 10K & 5K in San Antonio, TX
Friday, August 25
- I Ran Marathons Triple Crown 21 Run Salute Marathon, Half Marathon, 10K & 5K in San Antonio, TX
Saturday, August 26
- All-Out Runapalooza Half Marathon, 10K, 5K & 1-Mile in Arvada, CO
- A Midsummer Night’s Madness Half Marathon & Relay in Honeoye Falls, NY
- Angel Island Half Marathon & 10K in Tiburon, CA
- Badgerland Striders’ Strider Half Marathon in Milwaukee, WI
- Bergen Peak Half Marathon in Evergreen, CO
- Best Dam Run & Walk Half Marathon in Whitingham, VT
- Bluff Tuff Half Marathon in St. Paul, MN
- Canby Dahlia Run Half Marathon in Canby, OR
- East Canyon Marathon, Half Marathon, 10K & 5K in Morgan, UT
- End of Summer Half Marathon & 5K in Rockaway Park, NY
- Francis Marion Dirt Dash Half Marathon & 12K in Awendaw, SC
- H3 Half Marathon in Dawsonville, GA
- HEL’s Half Pound Half Marathon in Eden, UT
- High Country Half Marathon in Boone, NC
- I Ran Marathons Triple Crown 21 Run Salute Marathon, Half Marathon, 10K & 5K in San Antonio, TX
- Mesa Falls Marathon, Half Marathon, 10K & 5K in Ashton, ID
- Mount Nebo Marathon & Half Marathon in Payson, UT
- Nebraska State Fair Marathon, Half Marathon & 5K in Grand Island, NE
- North Country Trail Marathon, Half Marathon & 50-Mile in Wellston, MI
- Patrick Henry Half Marathon in Ashland, VA
- Porter’s Half Marathon & 10K in Draper, UT
- Restoration Run Half Marathon, 10K, 5K & 1K in Hampton, IA
- Rockin’ the Marina Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Scheels Healthy Human Race Half Marathon, Relay & 5K in Rochester, MN
- Spring Lake – Run Michigan Cheap Half Marathon, 10K & 5K in Spring Lake, MI
- Step into Fall Half Marathon, 10K & 5K in Spokane, WA
- Summer Delight Half Marathon, 15K, 10K & 5K in Long Beach, CA
- Thirsty 13 Half Marathon in Durango, CO
- Top of Utah Half Marathon in Logan, UT
- Toro Trail Run in Salinas, CA
- Tour de La Porte Half Marathon, 10K & 5K in La Porte, IN
- USAF Buildup Half Marathon in Wright-Patterson AFB, OH
- Viking Dash Trail Run – Night Raid Half Marathon, 15K, 10K & 5K in Muncie, IN
- Wausau Marathon, Half Marathon & 5K in Wausau, WI
- Women Rock Half Marathon, 10K & 5K in St. Paul, MN
Sunday, August 27
- 18.12 Challenge & Half Marathon in Watertown, NY
- August Madness Half Marathon, 10K & 5K in Snellville, GA
- Black Diamond Express Half Marathon & 5K in Mendon, NY
- Blaze the Coast Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Blueberry Cove 13.1 Half Marathon in Tenants Harbor, ME
- Dave F. Kilwein Memorial Run Half Marathon in Dickinson, ND
- Dew It 13.1 Half Marathon in Griffith, IN
- Diablo Trail Run Marathon, Half Marathon, 10-Mile, 4-Mile & 50K in Clayton, CA
- Emerald City Half Marathon & Quarter Marathon in Dublin, OH
- Erie Half Marathon & 5K in Erie, CO
- The Giant Race Half Marathon, 10K & 5K in San Francisco, CA
- Half Madness 13.1 Half Marathon in Batavia, IL
- I Ran Marathons Triple Crown 21 Run Salute Marathon, Half Marathon, 10K & 5K in San Antonio, TX
- Iron Horse Half Marathon in North Bend, WA
- North Country Trail Marathon, Half Marathon & 50-Mile in Wellston, MI
- Reno 5000 Half Marathon in Reno, NV
- The Santa Rosa Marathon, Half Marathon, 10K & 5K in Santa Rosa, CA
- Underdown Trail Half Marathon, 10K & 5K in Gleason, WI
Monday, August 28
- I Ran Marathons Triple Crown Challenge Marathon, Half Marathon, 10K & 5K in San Antonio, TX
Tuesday, August 29
- I Ran Marathons Triple Crown Challenge Marathon, Half Marathon, 10K & 5K in San Antonio, TX
Wednesday, August 30
- I Ran Marathons Triple Crown Challenge Marathon, Half Marathon, 10K & 5K in San Antonio, TX
Thursday, August 31
- Clayton Pikermi Half Marathon in Clayton, NM
- I Ran Marathons Triple Crown Challenge Marathon, Half Marathon, 10K & 5K in San Antonio, TX
