See all April 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.
Sunday, April 1
- Dust Bowl Series Marathon, Half Marathon, 10K & 5K – New Mexico in Clayton, NM
- First Call Half Marathon & 5K in Waukesha, WI
- Fool’s Dual Half Marathon in Gloucester, MA
Saturday, April 7
- Allerton Trails Half Marathon & 10K in Monticello, IL
- Altamont Challenge Half Marathon in Travelers Rest, SC
- Andrew Jackson Marathon & Half Marathon in Jackson, TN
- Big Party Half Marathon & 5K in Springfield, MO
- Charlottesville Marathon, Half Marathon, 8K & Kids Mile in Charlottesville, VA
- Cottage Grove Half Marathon in Cottage Grove, OR
- Eisenhower Marathon, Half Marathon, 10K & 5K in Abilene, KS
- Honeywagon Runs Half Marathon, 4-Mile & Fun Run in Everson, WA
- Hop Swap Half Marathon in Winston-Salem, NC
- Irving Marathon, Half Marathon, 10K & 5K in Irving, TX
- Lincoln Presidential Half Marathon in Springfield, IL
- Oak Barrel Half Marathon in Lynchburg, TN
- Outlaw Half Marathon & 5K in Fredericksburg, TX
- Rise & Shine Half Marathon & 5K in Hattiesburg, MS
- Run Bentonville Half Marathon, 5K & Fun Run in Bentonville, AR
- Publix Savannah Women’s Half Marathon & 5K in Savannah, GA
- South Shore Half Marathon in Milwaukee, WI
- Valley of the Lilies Half Marathon & 5K in Cullowhee, NC
- Winter Race Circuit Half Marathon in Huntsville, UT
- Yakima River Canyon Marathon & Half Marathon in Selah, WA
Sunday, April 8
- Bridge Street Town Centre Half Marathon in Huntsville, AL
- California Classic Half Marathon, Relay & 5K in Fresno, CA
- Cape Cod Trail Race Marathon, Half Marathon, 5K, 10K & 50K in Falmouth, MA
- Coffee Milk Marathon, Half Marathon & 5K in North Kingstown, RI
- Everett Half Marathon & 10K in Everett, WA
- GO! St. Louis Marathon, Half Marathon & Relay in St. Louis, MO
- Great Bay Half Marathon & 5K in Newmarket, NH
- The Hapalua – Hawaii’s Half Marathon in Honolulu, HI
- Lake Minneola Half Marathon & 5K in Clermont, FL
- Rock ‘n’ Roll Raleigh Marathon & Half Marathon in Raleigh, NC
- Rock ‘n’ Roll San Francisco Half Marathon in San Francisco, CA
- Run Rocklin Half Marathon, 12K & 5K in Rocklin, CA
- Run to Remember Los Angeles Half Marathon & 10K in Los Angeles, CA
- Runners Marathon of Reston in Reston, VA
- Rutgers UNITE Half Marathon & 8K in New Brunswick, NJ
- Skunk Cabbage Classic Half Marathon & 10K in Ithaca, NY
- Spring Fling Prairie Dog Half Marathon, 10K & 5K in Arvada, CO
- Spring Mankato Half & 5K in Mankato, MN
Saturday, April 14
- Albuquerque Half Marathon, 10K & 5K in Albuquerque, NM
- All-Out Beat the Heat Marathon, Half Marathon, 10K, 5K & 1-Mile in Westminster, CO
- Badge of Honor Benefit Run Half Marathon, 10K & 5K in Poplar Bluff, MO
- Diablo Trails Challenge Half Marathon, 10K, 5K & 50K in Walnut Creek, CA
- Dismal Swamp Stomp Half Marathon in Chesapeake, VA
- Garden Spot Village Marathon & Half Marathon in New Holland, PA
- Go Girl Run Springfield Half Marathon & 5K in Springfield, MO
- Hogeye Marathon, Half Marathon, 5K & Relays in Fayetteville, AR
- Hoosier Half Marathon & 5K in Bloomington, IN
- Lake Lowell Marathon, Half Marathon, 10K & 5K in Nampa, ID
- Martian Marathon, Half Marathon, 10K & 5K in Dearborn, MI
- Mount Tam Wild Boar Half Marathon & 10K in Mill Valley, CA
- Murray Half Marathon, 5K & Relay in Murray, KY
- Newport Rhode Races Marathon, Half Marathon & 5K in Newport, RI
- Reedsburg Vet Fest Half Marathon, 5K & 1-Mile in Reedsburg, WI
- Reno’s Biggest Little Half Marathon, 10K & 5K in Reno, NV
- RunVermont Half Marathon Unplugged in Burlington, VT
- San Diego Beach and Bay Half Marathon & 5K in San Diego, CA
- Texas Big Star Half Marathon, 5K & 1 Mile in Frisco, TX
Sunday, April 15
- Alamo Run Fest Half Marathon, 10K & 5K in San Antonio, TX
- April Fools Half Marathon in Atlantic City, NJ
- Arizona Trail Vail Scramble in Vail, AZ
- BHM 26.2 Marathon & Half Marathon in Birmingham, AL
- Divas Half Marathon – San Francisco Bay in Burlingame, CA
- Flying Pirate Half Marathon & 5K in Kitty Hawk, NC
- Horsetooth Half Marathon in Fort Collins, CO
- Not So Normal Half Marathon, Quarter Marathon & 3/4 Marathon in Carrboro, NC
- Riverboat Series Marathon, Half Marathon, 10K & 5K – Day 1 in Winnsboro, LA
- Run For The Animals Half Marathon & 10K in Onancock, VA
- Western Maryland Rail Trail Marathon & Half Marathon in Hancock, MD
Monday, April 16
- Riverboat Series Marathon, Half Marathon, 10K & 5K – Day 2 in Lake Village, AR
Tuesday, April 17
- Riverboat Series Marathon, Half Marathon, 10K & 5K – Day 3 in Hollandale, MS
Wednesday, April 18
- Riverboat Series Marathon, Half Marathon, 10K & 5K – Day 4 in Millington, TN
Thursday, April 19
- Riverboat Series Marathon, Half Marathon, 10K & 5K – Day 5 in Columbus, KY
Friday, April 20
- Riverboat Series Marathon, Half Marathon, 10K & 5K – Day 6 in Cape Girardeau, MO
Saturday, April 21
- Blue Ridge Marathon, Half Marathon & 10K in Roanoke, VA
- Bristol Half & Half in Bristol, VA
- Cedro Peak Marathon, Half Marathon & 50K in Tijeras, NM
- Garmin Marathon, Half Marathon & 10K in the Land of Oz in Olathe, KS
- Kewash Trail Half Marathon in Washington, IA
- Magnuson Series Earth Day Half Marathon, 15K, 10K & 5K in Seattle, WA
- Oak Island Lighthouse Half Marathon in Southport, NC
- Omak Orchards in Bloom Half Marathon & 10K in Omak, WA
- Petersburg Half Marathon & 5K in Petersburg, VA
- Race to Robie Creek Half Marathon in Boise, ID
- River Valley Trail Run Half Marathon in Manchester, MD
- Riverboat Series Marathon, Half Marathon, 10K & 5K – Day 7 in Vienna, IL
- Salt Lake City Marathon, Half Marathon & 5K in Salt Lake City, UT
- Trillium Trek Trail Run Half Marathon, 10K & 5K in Gainesville, GA
- Wenatchee Marathon, Half Marathon & 10K in Wenatchee, WA
Sunday, April 22
- Bend Marathon, Half Marathon, 10K & 5K in Bend, OR
- Cary Greenways Half Marathon, 10K & 5K in Cary, NC
- Coastal Delaware Running Festival Marathon, Half Marathon, 9K & 5K in Dewey Beach, DE
- Crossroads of Northwest Indiana Marathon & Half Marathon in Lowell, IN
- Divas Half Marathon & 5K – Galveston in Galveston, TX
- Gazelle Girl Half Marathon, 10K & 5K in Grand Rapids, MI
- Glass City Marathon, Half Marathon, Relay & 5K in Toledo, OH
- La Jolla Half Marathon & La Jolla Shores 5K in La Jolla, CA
- Napa Valley Silverado Half Marathon, 10K & 5K in Calistoga, CA
- Naperville Women’s Half Marathon & 5K in Naperville, IL
- Spring Classic Duathon & Home Depot Half Marathon, 10K & 5K in Portland, OR
- St. Luke’s Half Marathon & 5K in Allentown, PA
- Star Wars Half Marathon in Lake Buena Vista, FL
- Wine & Roses Half Marathon & 5K in Bryan, TX
- Xterra ATX Trail Runs 21K & 10.5K in Spicewood, TX
Thursday, April 26
- April Battle of Flowers Series – Paintbrush in San Antonio, TX
Friday, April 27
- April Battle of Flowers Series – Indian Blanket in San Antonio, TX
- Carnival of Venice Half Marathon & 5K in San Antonio, TX
Saturday, April 28
- April Battle of Flowers Series – Wine Cup in San Antonio, TX
- Capital City Half Marathon, Quarter Marathon & 5K in Columbus, OH
- Frisco Railroad Run Marathon, Half Marathon, 50M, 50K, 10M & 8K in Willard, MO
- Get in Gear Half Marathon, 10K, 5K & 2K in Minneapolis, MN
- Ghost of Tacoma Marathon & Half Marathon in Tacoma, WA
- Hurt the Dirt Marathon, Half Marathon & Quarter Marathon in Rockford, MI
- Illinois Marathon, Half Marathon, 10K & Relay in Champaign, IL
- Kentucky Derby Festival Marathon & Mini Marathon in Louisville, KY
- Ocean City Island 2 Island Half Marathon & 5K in Ocean City, MD
- Owl’s Roost Rumble Trail Half Marathon & 3.5-Mile in Greensboro, NC
- Park to Park Half Marathon in Waynesboro, VA
- Race the Runways Half Marathon, 5K & 1-Mile in Brunswick, ME
- Revel Mt. Charleston Marathon & Half Marathon in Las Vegas, NV
- Rodeo Beach Rumble Half Marathon, 8K, 30K & 50K in Sausalito, CA
- Romancing the Island Half Marathon & 10K in Tiburon, CA
- St. Jude Rock ‘n’ Roll Nashville Marathon & Half Marathon in Nashville, TN
- Tear Drop Half Marathon in Chatsworth, GA
- Western Pacific Marathon, Half Marathon, 10K & 5K in Fremont, CA
- Zion Half Marathon in Virgin, UT
Sunday, April 29
- April Battle of Flowers Series – Antelope Horns in San Antonio, TX
- Blooms to Brews Marathon, Half Marathon, Relay & 10K in Woodland, WA
- Delaware Running Festival Marathon, Half Marathon & Relay in Wilmington, DE
- Downtown River Run Half Marathon, 10K & 5K in Reno, NV
- Earth Rock Run Half Marathon in Amesbury, MA
- Eugene Marathon, Half Marathon & 5K in Eugene, OR
- Finish the Ride, Run, Walk & Roll in Griffith Park in Los Angeles, CA
- Marin County Half Marathon, 5K & 10K in San Rafael, CA
- National Women’s Half Marathon & 8K in Washington, DC
- New Jersey Marathon, Half Marathon & Relay in Long Branch, NJ
- Ocracoke Island Half Marathon, 10K & 5K in Ocracoke, NC
- Ojai Half Marathon, 10K & 5K in Ojai, CA
- Oklahoma City Memorial Marathon, Half Marathon & 5K in Oklahoma City, OK
- Oshkosh Marathon, Half Marathon, Relay & 5K in Oshkosh, WI
- Pro Football Hall of Fame Marathon & Half Marathon in Canton, OH
- San Luis Obispo Marathon & Half Marathon in San Luis Obispo, CA
- Skyline Half Marathon, 10K & 5K in Dallas, TX
- Spartan Half Marathon in York, PA
- Tacoma City Marathon, Half Marathon, Relay & 5K in Tacoma, WA
- Trap Pond Marathon, Half Marathon & 50K in Laurel, DE
- The Wild Half Marathon & 8K in Wildwood, NJ
Monday, April 30
- April Battle of Flowers Series – Bluebonnet in San Antonio, TX
