See all December 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.
Saturday, December 2
- Calero Park Run in San Jose, CA
- Canyon Rumble Frozen Half in Madras, OR
- Christmas on the Country Music Highway Half Marathon & 5K in Paintsville, KY
- Death Valley Trail Marathon & Half in Death Valley NP, CA
- Estrella Mountain Trail Fest Half Marathon, 10K & 5K in Goodyear, AZ
- Everglades Half Marathon in Everglades, FL
- Frio River Run in Concan, TX
- I Ran Flagship Marathons Series – Armenia in San Antonio, TX
- Laughlin/Bullhead Half Marathon & 5K in Laughlin, NV
- Mistletoe Run Half Marathon & 5K in Winston-Salem, NC
- OUC Orlando Half Marathon & 5K in Orlando, FL
- Panama City Beach Marathon, Half Marathon & 5K in Panama City Beach, FL
- Peacock Gap Trail Run 30K, Half Marathon, 10K & 5K in San Rafael, CA
- The Phoenician Half Marathon in Scottsdale, AZ
- Race 13.1 Baltimore Half Marathon, 10K & 5K in Baltimore, MD
- Redmond Reindeer Romp Half Marathon in Redmond, WA
- Rehoboth Beach Seashore Marathon & Half Marathon in Reheboth Beach, DE
- Rock the Coast Marathon, Half Marathon, 15K, 10K & 5K in Long Beach, CA
- Rome Half Marathon in Rome, GA
- Rudolph’s Rampage Half Marathon & 10K in Columbia, SC
- Sea Island Half Marathon, 10K & 5K in Sea Island, GA
- Spicewood Vineyards Half Marathon & 10K in Spicewood, TX
- St. Jude Memphis Marathon, Half Marathon & 5K in Memphis, TN
- Walton Half Marathon & 5K in Monroe, GA
- White River Christmas Half Marathon & Relay in Batesville, AR
Sunday, December 3
- Back to the Bay Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Brandon Half Marathon & 5K in Brandon, FL
- Elves on Trails Half Marathon & 5K in San Juan Capistrano, CA
- Frosty Half Marathon in Raynham, MA
- Happy Holidays Half MerryThon & 2.62 Mile Race in Gloucester, MA
- Holly Jolly Half Marathon, 10K & 5K in Camarillo, CA
- Last Call Half Marathon, 10K & 5K in Waukesha, WI
- Lexus LaceUp Riverside Half Marathon, 10K & 5K in Riverside, CA
- Los Angeles River Marathon, Half Marathon & 10K in Los Angeles, CA
- Nittany Valley Half Marathon in State College, PA
- Palm Beaches Marathon, Half Marathon & 5K in West Palm Beach, FL
- Reindeer Run Half Marathon & 5K in Fernandina Beach, FL
- River Vista Half Marathon in Dillard, GA
- Rock ‘n’ Roll San Antonio Marathon & Half Marathon in San Antonio, TX
- Run Girl Half Marathon, Relay & 5K in Houston, TX
- Run Run Rudolph Half Marathon, Quarter Marathon & 5K in Albuquerque, NM
- Santa Hustle Maine Half Marathon & 5K in South Portland, ME
- Season’s Greetings Half Marathon, 10K & 5K in Loganville, GA
- Thompson Speedway Half Marathon in Thompson, CT
- Topo Trail Marathon, Half Marathon & Quarter Marathon in Bethel, OH
- Trail Hog Half Marathon in Venice, FL
- VA Runner Blue & Gray Half Marathon & 5K in Fredericksburg, VA
- XTERRA Trail Run World Championship 21K, 10K & 5K in Kaaawa, HI
Saturday, December 9
- All-Out Fa La La Half Marathon, 10K & 5K in Westminster, CO
- Baker’s Dozen Half Marathon in Hurricane, UT
- Brazos Bend 100 Mile, 50 Mile, Marathon & Half Marathon in Needville, TX
- Buckeye Marathon, Half Marathon, 10K & 5K in Buckeye, AZ
- Bulow Woods Trail Race & Ultra Marathon in Ormond Beach, FL
- Cajun Country Half Marathon, 10K & 5K in Lafayette, LA
- CASA Half Marathon & 5K in Pine Bluff, AR
- Hark the Herald Angels Half Marathon & 10K in Tiburon, CA
- Hillsborough River Marathon, Half Marathon & Quarter Marathon in Thonotosassa, FL
- The Holiday Half Marathon in Brooklyn, NY
- Holualoa Tucson Marathon, Half Marathon & Relay in Tucson, AZ
- Huntersville Half Marathon & Holiday 5K in Huntersville, NC
- Kiawah Island Golf Resort Marathon & Half Marathon in Kiawah Island, SC
- Lady of the Mountain Half Marathon, 10K & 5K in Alamogordo, NM
- Loyston Point Scramble Half Marathon & 10K in Andersonville, TN
- Mount Juliet Holiday Half & 5K in Mount Juliet, TN
- Pocahontas Half Marathon, 10K & 5K in Chesterfield, VA
- Race 13.1 Durham Half Marathon, 10K & 5K in Durham, NC
- Rockin Reindeer Run Half Marathon, 10K & 5K in Las Vegas, NV
- Santa Runs Tacoma Half Marathon, 10K & 5K in Tacoma, WA
- Schlotzsky’s Jingle Bun Run Half Marathon & 5K in Temple, TX
- Summit Rock Half Marathon, 10K & 5K in Saratoga, CA
- Swamp Stomp Half Marathon in Lake Charles, LA
- Viking Dash Trail Run Half Marathon, 15K & 5K – Chicago in Crystal Lake, IL
- Walnut Creek Half Marathon, Relay & 5K in Walnut Creek, CA
- Winter Madness Marathon, Half Marathon, 15K, 10K & 5K in Long Beach, CA
Sunday, December 10
- BCS Marathon & Half Marathon in College Station, TX
- Dallas Marathon, Half Marathon & Relay in Dallas, TX
- Decker Challenge Half Marathon & Brown Santa 5K in Austin, TX
- Del Dios Trail Half Marathon, 10K & 5K in Escondido, CA
- Divas Half Marathon & 5K – Florida West Coast in Punta Gorda, FL
- EOD Warrior Holiday Dash Marathon, Half Marathon & 7K in Washington, DC
- The First Watch Locomotive Half Marathon & 5K in Kennesaw, GA
- Florida Holiday Halfathon in Madeira Beach, FL
- Florida West Coast Half Marathon & 5K in Sarasota, FL
- Happy Holidays Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- Holiday Fun Half Marathon, 10 Mile & 10K in Huntington Beach, CA
- Holiday Half Marathon in Fairfax, VA
- Holiday Half Marathon & 5K in Pomona, CA
- Holiday Half Marathon & 5K in Portland, OR
- Hoover Dam Marathon, Half Marathon & 10K in Boulder City, NV
- I Ran Flagship Marathons Series – Australia in San Antonio, TX
- Islamorada Half Marathon & 10K in Islamorada, FL
- Jingle Bell Half Marathon in Atkinson, NH
- Log Jammer Half Marathon & 5K in Shreveport, LA
- Lopers Club Holiday Classic Half Marathon & 5K in Loma Linda, CA
- Mississippi Gulf Coast Marathon & Half Marathon in Gulfport, MS
- NYCRUNS Manhattan Half Marathon in New York, NY
- Rotary Club of Weston Run for Tomorrow Half Marathon & 5K in Weston, FL
- Runner’s Den Scottsdale Half Marathon & 5K in Scottsdale, AZ
- Runner’s World Tulsa Half & Half in Tulsa, OK
- Santa Hustle Cedar Point Half Marathon & 5K in Sandusky, OH
- Santa Hustle Indy Half Marathon & 5K in Indianapolis, IN
- Santa Hustle Smokies Half Marathon & 5K in Sevierville, TN
- Santa to the Sea Half Marathon, Relay & 5K in Oxnard, CA
Saturday, December 16
- Caribbean Christmas Half Marathon & 5K in Carmel, IN
- Dirty December Poker Run Half Marathon & 10K in Poway, CA
- Eugene Holiday Half Marathon & Holiday Hustle 10K & 5K in Eugene, OR
- Helen Holiday Trail Half Marathon in Helen, GA
- Houston Running Festival in Houston, TX
- I Ran Flagship Marathons Series – Austria in San Antonio, TX
- Illuminations Half in San Antonio, TX
- Jacksonville Bank Marathon, Half Marathon & 5K in Jacksonville, FL
- Ole Man River Half Marathon & 5K in New Orleans, LA
- Rockin Santa Half Marathon in Knoxville, TN
- Run Run Rudolph Half Marathon, Quarter Marathon, & 4 Mile in Peoria, AZ
- Running Highland Oaks Half Marathon in Dothan, AL
- San Diego Holiday Half Marathon in La Jolla, CA
- Season’s Greetings Marathon, Half Marathon, 10K & 5K in Long Beach, CA
- The Stars at Night Half Marathon in San Antonio, TX
- Whine Not A Marathon & Half in Dallas, TX
- Woodside Ramble 50K, 35K, Half Marathon & 10K in Redwood City, CA
Sunday, December 17
- Arroyo Creek Half Marathon, 10K & 5K in Simi Valley, CA
- Gar Williams Half Marathon in Carderock, MD
- Jeff Galloway 13.1 Half Marathon in Atlanta, GA
- Mount Dora Half Marathon & 5K in Mount Dora, FL
- Out with the Old Half Marathon, 10K & 5K in Las Vegas, NV
- Rockin’ With Santa Half Marathon, 10K & 5K in Snellville, GA
- Santa Hustle Arizona Half Marathon & 5K in Glendale, AZ
- Santa Hustle Galveston Half Marathon & 5K in Galveston, TX
- Santa’s Run Marathon, Half Marathon, 15K, 10K & 5K in Long Beach, CA
- Tucson-Marana Run Run Rudolph Half Marathon, Quarter Marathon & 5K in Tucson, AZ
- Whine Not Another Marathon & Half in Dallas, TX
- ZombieRunner Quarry Lakes Run Half Marathon in Fremont, CA
Friday, December 22
- Savage 7 Marathon & Half Marathon – Day 1 in Ocala, FL
Saturday, December 23
- I Ran Marathons 12 Days of Christmas Series – Day 1 in San Antonio, TX
- Reindeer Run Half Marathon, 15K, 10K & 5K in Van Nuys, CA
- Savage 7 Marathon & Half Marathon – Day 2 in Ocala, FL
Sunday, December 24
- I Ran Flagship Marathons Series – Azerbaijan in San Antonio, TX
- I Ran Marathons 12 Days of Christmas Series – Day 2 in San Antonio, TX
- Reindeer Run Half Marathon, 15K, 10K & 5K in Long Beach, CA
- Savage 7 Marathon & Half Marathon – Day 3 in Ocala, FL
Monday, December 25
- Holiday Fun Half Marathon, 15K, 10K & 5K in Santa Monica, CA
- I Ran Marathons 12 Days of Christmas Series – Day 3 in San Antonio, TX
- Savage 7 Marathon & Half Marathon – Day 4 in Ocala, FL
Tuesday, December 26
- I Ran Marathons 12 Days of Christmas Series – Day 4 in San Antonio, TX
- Operation Jack Marathon, Half Marathon & 5K in Los Angeles, CA
- Savage 7 Marathon & Half Marathon – Day 5 in Ocala, FL
Wednesday, December 27
- I Ran Marathons 12 Days of Christmas Series – Day 5 in San Antonio, TX
- Savage 7 Marathon & Half Marathon – Day 6 in Ocala, FL
Thursday, December 28
- I Ran Marathons 12 Days of Christmas Series – Day 6 in San Antonio, TX
- Savage 7 Marathon & Half Marathon – Day 7 in Ocala, FL
Friday, December 29
- I Ran Marathons 12 Days of Christmas Series – Day 7 in San Antonio, TX
- Savage 7 Marathon & Half Marathon – Day 8 in Ocala, FL
Saturday, December 30
- Carolina Beach State Park Half Marathon & 5K in Carolina Beach, NC
- FL.ROC Trails Half Marathon & 5K in Palm Coast, FL
- I Ran Flagship Marathons Series – Bahamas in San Antonio, TX
- I Ran Marathons 12 Days of Christmas Series – Day 8 in San Antonio, TX
- New Year’s Eve Celebration Half Marathon, 15K, 10K & 5K in Long Beach, CA
- Run for the Ranch Marathon, Half Marathon & Relay in Springfield, MO
- Savage 7 Marathon & Half Marathon – Day 9 in Ocala, FL
- Year End Marathon, Half Marathon, 10K & 5K in Long Beach, CA
Sunday, December 31
- Brazen New Year’s Eve Half Marathon, 10K & 5K in Fremont, CA
- Cox Running Club Double Half Marathon & 5K in Fort Worth, TX
- Delray Beach Half Marathon in Delray Beach, FL
- I Ran Marathons 12 Days of Christmas Series – Day 9 in San Antonio, TX
- New Year’s Double Marathon, Half Marathon & 5K in Allen, TX
- New Year’s Eve Half Marathon, 15K, 10K & 5K in Santa Monica, CA
- New Year’s Eve Marathon, Half Marathon, 15K, 10K & 5K in Long Beach, CA
- Resolution Relay B.Y.O.B. Half Marathon & Relay in Boring, OR
- Savage 7 Marathon & Half Marathon – Day 10 in Ocala, FL
- Yukon Do It Marathon & Half Marathon in Port Orchard, WA
