41st Nature Made Great Race: Half Marathon, 5K, 10K, 15K, 10M, 1M – Agoura Hills, CA 2026

The Nature Made Great Race is a celebration of running that features the incredibly scenic Chesebro Half Marathon mostly trail race, and on road: the Deena Kastor 5K, Old Agoura 10K, 15K Double Stack Challenge, Cronies 10.3 Mile Triple Stack Challenge and United Track 1 Mile run/walk. Established in 1986, the Great Race has won many awards and accolades over the years including: Best Half Marathon in Nation by Active.com Voted #1 Running Event in L.A. Selected a Top 10K in U.S. by Runner's World Best Race Swag by Competitor Magazine Best Post-Race Party by LA Sports & Fitness Magazine Best Post-Race Party by Active.com Best Post-Race Party by Runner's World Best Brunch Run by Athlinks Runner Perks Run on a beautiful, scenic and serene course Custom-designed drawstring goodie bag with actual goodies Premium technical running top (men's or women's cut, in short sleeve or long sleeve) All finishers are rewarded with a beautiful, commemorative finisher’s medal Two medals for finishers of t