Nature Made Great Race: Half Marathon, 5K, 10K, 15K, 10M, 1M
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!
Pick your distance
Trail running
CHESEBRO HALF MARATHON (~8 Mile Trail & 5 Mile Road)
Get ready to embark on an exhilarating journey that will leave you not only inspired but absolutely energized! The Great Race Chesebro Half Marathon is not just a race; it's an amazing experience that will take you on a breathtaking adventure through the heart of nature's beauty within a pristine national park. The route is ~ 2.6 miles road, then 8 miles trail, then 2.5 miles road.
Running
OLD AGOURA 10K
You won't want to miss this! The 10K runs along the Santa Monica Mountains National Recreation Area and meanders through some of California's most scenic roads. It is one for all you road racing enthusiasts, but also perfect if you just love being outdoors in picturesque scenery with your friends on race day or even taking selfies along the way. Runner's World names the Old Agoura 10K one of the top six 10Ks in the country!
Cronies TRIPLE STACK CHALLENGE (10K + 5K + 1 Mile)
Do you think you can handle the challenge of running 3 races in one day? If so, then this deal may just be perfect for you! It includes three different events that take place on Saturday morning. You'll start off with an initial 10K at 7:28 a.m. and then have until 9:05 a.m. when it's time to go knock out a 5K. (You must finish the 10K in less than 80 minutes in order to get to the 5K start in time). Then a 1 mile run at 10:20 a.m. as your finale. (You must finish the 5K in less than 65 minutes in order to get to the 1 mile start in time).
DOUBLE STACK CHALLENGE (10K + 5K)
Do you think you can handle the challenge of running two races in one day? If so, then this deal may just be perfect for you! It includes two different events that take place on Saturday morning. You'll start off with an initial 10K at 7:28 a.m. and then have until 9:05 a.m. when it's time to go knock out a 5K. (You must finish the 10K in less than 80 minutes in order to get to the 5K start in time).
DEENA KASTOR 5K
Looking for a fun and friendly race with a fast and flat course? Look no further than the 5K. Our course is not only fast and flat, but it also features a thrilling downhill start and a speedy downhill finish that will have you flying to the finish line.
1 MILE - All Ages
Join friends and family for a 1-mile route. Everyone's welcome on this friendly run/walk through neighborhood streets that will have you smiling from ear-to-ear! The 1 Mile runs in 3 waves: Triple Challenge, Kids ages 6-12, Open.
VIRTUAL Options
Choose from traditional distances like 5K, 10K, Half Marathon anytime you want, anywhere you want.
Typical race-day weather
Based on 10 years of historical conditions on this event's race dates in Agoura Hills.
Course
Route map and elevation profile
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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🏃 Plan Your Next Race in Agoura Hills
Find upcoming events by distance:
- Agoura Hills 5K Races 6 races
- Agoura Hills Running Calendar 2026 7 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 7 Agoura Hills events
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