What distances are available for this event?

• →Chesebro Half Marathon — Mostly trail
• →Deena Kastor 5K — Road
• →Old Agoura 10K — Road
• →15K Double Stack Challenge — Road
• →Cronies 10.3 Mile Triple Stack Challenge — Road
• →United Track 1 Mile Run/Walk — Road

What is included in the registration?

• →Custom drawstring goodie bag with actual goodies
• →Premium technical running top (men's/women's cut, short or long sleeve)
• →Finisher's medal for all finishers; two medals for Double Stack (15K) and Triple Stack (10.3 Mile) finishers
• →LA's #1 Post-Race Party with free food, music, and shopping
• →Live RFID timing with live results
• →Sports & Fitness Expo with free parking
• →Free race day parking
• →Hundreds of age group awards
• →Prizing (TVs, headphones, music players) for top finishers in select races

What are the notable awards and recognitions for this event?

• →Best Half Marathon in the Nation (Active.com)
• →#1 Running Event in L.A.
• →Top 10K in the U.S. (Runner's World)
• →Multiple Best Post-Race Party awards

Are there any referral rewards available for participants?

• →Refer 4 friends → $20 cash back (automatic)
• →Refer 7 friends → Great Race Technical Trucker Hat
• →Refer 10 friends → Another $20 cash back (automatic)
• →Maximum automatic refund is $40 total. Friends must register via your unique link; team links don't count. Deferred entries are not eligible. Note that the referral program ended April 4, 2026.

What is the course structure for the races?

• →The Chesebro Half Marathon runs through the scenic Chesebro Canyon trail system — known for its beautiful, serene natural surroundings.
• →All road races finish at Chumash Park, where an announcer greets finishers at what the race describes as SoCal's most active finish line.
• →Courses are USATF certified and sanctioned, well-marked, and supported with plenty of aid stations and photographers along the route.

What is the schedule for the event?

• →Specific start times for each race are not provided in the given information, but participants can expect a structured schedule with races beginning at different times throughout the day.

What is the purpose of the Sports & Fitness Expo?

• →The Sports & Fitness Expo is a key part of the event, providing participants with an opportunity to explore exhibitors, enjoy free parking, and engage with the running community before the races.

What is the significance of the event?

• →The Nature Made Great Race, established in 1986, is a long-standing running event that has earned numerous accolades and is recognized as one of the top running events in Los Angeles and the United States.