In 180 days · Sat, Apr 10, 2027
Don't let race day sneak up
One email during race week. That's it.
Saturday, April 10th, 2027
Chumash Park, Agoura Hills CA
Half · 10K · 15K · 5K
50–72°F · low rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2026
56–70°F
dry
2025
58–85°F
dry
2024
51–80°F
dry
2023
54–78°F
dry
2022
54–71°F
dry
2021
56–87°F
dry
2020
45–58°F
rain
2019
50–72°F
dry
2018
62–89°F
dry
2017
51–77°F
dry
Best months to race in California →
Going long?
Fuel wins races.
Gels, chews, electrolytes, anti-chafe — everything for 13.1 and beyond.
About this race
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 running shirt (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 the 10 Mile Triple Stack Challenge and 15K Double Stack Challenge
- LA's #1 Post-Race Party with lots of quality free food, music and shopping
- Live Results with 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
- 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!
Course map
Train with a club
Run clubs near Agoura Hills to train with before race day.
Suggested Races
Organize this race?
Claim it free to manage your listing — and get it featured for free, while spots last.