Nature Made Great Race: Half Marathon

Agoura Hills, United States • 11 Apr 2026

Event Overview

The Nature Made Great Race is an annual running event held in Agoura Hills, California. Established in 1986, the event features a variety of distances and challenges that utilize both road and trail routes within the Santa Monica Mountains National Recreation Area. The races start and finish near Chumash Park, providing participants with views of the local natural landscape and national park areas.

Distance Options

Participants can choose from several individual races and multi-race challenges:

  • Chesebro Half Marathon: A 13.1 mile course consisting of approximately 8 miles of trail and 5.1 miles of road.
  • Old Agoura 10K: A 6.2 mile road race through scenic areas.
  • Deena Kastor 5K: A 3.1 mile flat course featuring a downhill start and finish.
  • United Track 1 Mile: A 1 mile route through neighborhood streets for all ages.
  • Double Stack Challenge: A combination of the 10K and 5K races for a total of 9.3 miles.
  • Triple Stack Challenge: A combination of the 10K, 5K, and 1 mile races totaling 10.3 miles.

Course and Amenities

The event offers USATF certified and sanctioned courses with RFID live timing and multiple aid stations. The half marathon route travels through a pristine national park, while the 10K meanders along the Santa Monica Mountains National Recreation Area. The 5K is designed as a fast, flat course.

Participant Benefits

All finishers receive a commemorative medal, with participants in the Double and Triple Stack challenges receiving two medals. Registered runners receive a technical running top in either short or long sleeves and a drawstring goodie bag. The event includes a post-race festival at Chumash Park featuring food, music, and a sports and fitness expo. Age group awards are presented, and top finishers in select races are eligible for audio and video equipment prizes. Visit the organization's website for the most recent information.

Race information

13 mi
Chesebro Half Marathon
10 mi
Cronies Triple Stack Challenge
15 km
Double Stack Challenge
10 km
Old Agoura 10k
5 km
Deena Kastor 5k
United Track 1 Mile
Visit the organization's website for the most recent information.
Trail runs nearby

Experience the breathtaking hills and canyons of Southern California with distances ranging from 10k to a 50k ultra. Run through lush spring landscapes and conquer challenging ridgelines with panoramic valley views.

Experience a scenic trail run through oak lined canyon paths in Camarillo while supporting low cost horse riding programs. This inaugural event features a fast 5K and a Kiddie K for young participants.

Join this spring event at Griffith Park featuring distances from a 5k to a half marathon on a scenic dirt trail course. Enjoy a relaxed atmosphere with finisher medals and free race photos for all participants.

Race through the ocean-view trails of Point Mugu State Park on a 21k or 10k course. Enjoy a finisher medal, breakfast tacos, and a post-race beer garden. It's part of a six-race half-marathon series with special awards.