The Nature Made Great Race is a celebration of running that features the incredibly scenic Mazda Thousand Oaks Chesebro Half Marathon mostly trail race, and on road: the Deena Kastor 5K, Old Agoura 10K, 15K Combo, Cronies 10.3 Mile Triple Stack Challenge and 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
• Technical running top (men's or women's cut)
• All finishers are rewarded with a special, commemorative finisher’s medal
• LA's #1 Post-Race Party with lots of quality free food, music and shopping
• Live Results with state-of-the-art RFID timing
• Photographers on course
• Plenty of aid stations
• USATF certified and sanctioned courses
• Well-marked routes
• The Great Race Super Discount on Great Race apparel & gear (the earlier you register, the more offers you receive)
• Sports & Fitness Expo
• Free parking at the Expo
• Free race day parking
• Free Race Day Pick Up for those out of the area
• Announcer greets you at beautiful Chumash Park at SoCal’s most active, fun finish line
• Hundreds of Age Group Awards
• Prizing: Audio/Video Equipment to Top Finishers in Select Races like TVs, Headphones, Music Players, etc.

Great Race runners comment year-after-year about the gorgeous scenery, the serenity and the most Most Beautiful Courses in Southern California!

So Much Fun!