Southern California & Nevada Running Race Calendar 2026 - 2027

A Better World Running hosts affordable 5k, 10k, 15k, and half marathon races almost every weekend, year-round, across Southern California — Long Beach, Griffith Park, Hansen Dam, Van Nuys, Riverside, Valencia, Kenneth Hahn, Whittier Narrows, Ventura, Simi Valley, Anaheim, Elysian Park, and Irvine.  Also in Las Vegas, Nevada.  Every event is fun, family-friendly, and open to runners and walkers of all ages and abilities. Browse the calendar below and find your next race.