View some of the best Half Marathon races in Hayward, California! RaceMob's race calendar allows you to find races that suits your needs. Use our advanced filters below or calendar on the right, and discover new races. We try to maintain up to date information, and rely heavily on our community of volunteers. If you find a race that we're missing, use the "Suggest Race" button on the right. Find RaceMob discounts that others have added or add deals that you've discovered.
The course starts in the scenic Quarry Lakes Regional Recreation area and follows the popular Alameda Creek Trail up to the mouth of Niles Canyon. All courses are flat and fast! The Half Marathon (CA19047RS) and Marathon (CA18047RS) courses are...
Experience the towering redwoods, lush ferns, and beautiful trails through Huddart Park, King's Mountain and Bear Gulch. USATF Sanction #142076
Welcome to the 10th Annual Livermore Valley Half Marathon, 5K & Kids Festival! Get ready for picture perfect, postcard views on our 'Best of the Bay' voted course and famed Wine, Beer and Music Festival. Experience hyper-local feels in Downto...
Rain or Shine! All races start/finish at East Beach and head West along the popular Golden Gate Promenade. The 5K event climbs up Battery East trail to the Golden Gate Bridge before heading back to the finish. The 10K and Half Marathon courses co...
One of the most significant and yet often overlooked landmarks of Fremont is the mighty Dumbarton. Get yourself into gear for the 2024 FierceliFit race, starting at the Dumbarton Quarry. The same hills and bay view you know and love with a histori...
The course travels through beautiful Redwood Regional Park. Enjoy the spectacular views along the East Ridge and West Ridge trails and wind through tall redwoods on the popular Stream and Bridle trails. (Distances are accurately measured using a ...
The course starts at the Marina and travels around the popular Lake Chabot reservoir and surrounding hills. Great course for first-time trail runners! (Distances are accurately measured using a Rolatape® surveyor's measuring wheel.)
The 4th running of the Napa Valley Women’s Half Marathon and 5K presented by Altra will be held on April 28 2024 starting and finishing at Oxbow Commons Park in the heart of the excitement that is Napa, California! The race course winds through th...
Join us at Almaden Lake Park for the Beer City Half in San Jose, the third stop in the Beer City Half Series. The Beer City Half San Jose include a half marathon, 10k, and 5k races, as well as our new Questicorn - a unicorn-themed fun run/walk. Th...
RACE INFO: We are so excited to celebrate the 40th annual Lake Chabot Trail Challenge Half Marathon and 5K. This race is well regarded amongst serious trail runners in the outlying areas. The race begins at 8am for the Half Marathon and 8:30am for...
The course starts in the scenic Quarry Lakes Regional Recreation area and follows the popular Alameda Creek Trail up to the mouth of Niles Canyon. All courses are flat and fast!
The race prides itself on its unique nature; like the city itself the race is more individual, the course more challenging, the terrain more beautiful – an event Bart Yasso, Chief Running Officer of Runner’s World, referred to as “challenging and ...
The course travels through beautiful Redwood Regional Park. Enjoy the spectacular views along the East Ridge and West Ridge trails and wind through tall redwoods on the popular Stream and Bridle trails. (Distances are accurately measured using a ...
For 2024 the Island running festival will consist of 3 full days of racing. Friday night will begin the weekend with Mile races and Mile relays, and packet pick-up for the Saturday and Sunday event. Saturday will be the Island 10 Miler followed ...
Join us at Quarry Lake Recreational for the final race in the Beer City Half Grand Slam! Whether you have been at the other Beer City Festivals or the Beer City Series races, you're in for a great time with sunshine, running, beer, and celebrating...
Experience the thrill of SJVRC Charity Running Event. Join us along with other fellow runners around the world of all ages and skill levels to promote running and embrace a healthy lifestyle, while raising funds to support the less fortunate chil...
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