41st Nature Made Great Race: Half Marathon, 5K, 10K, 15K, 10M, 1M

41st Nature Made Great Race: Half Marathon, 5K, 10K, 15K, 10M, 1M

Race Date

Apr 11, 2026

Location

Agoura Hills, CA

The Experience

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 courseCustom-designed drawstring goodie bag with actual goodiesPremium technical running top (men's or women's cut, in short sleeve or long sleeve)All finishers are rewarded with a beautiful, commemorative finisher’s medalTwo medals for finishers of the 10 Mile Triple Stack Challenge and 15K Double Stack ChallengeLA's #1 Post-Race Party with lots of quality free food, music and shoppingLive Results with RFID timingPhotographers on coursePlenty of aid stationsUSATF certified and sanctioned coursesWell-marked routesThe Great Race Super Discount on Great Race apparel & gear (the earlier you register, the more offers you receive)Sports & Fitness ExpoFree parking at the ExpoFree race day parkingAnnouncer greets you at beautiful Chumash Park at SoCal’s most active, fun finish lineHundreds of Age Group AwardsPrizing: 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!

Logistics

Race Day

Saturday, April 11, 2026

Start Time

7:00 AM

Giveaway

Chesebro Running Shirt (Short Sleeve or Long Sleeve Upgrade)

Start Location

Chumash Park, Agoura Hills, CA, 91301

Directions

Course Info

Course Type

Loop Course

Terrain

road

Difficulty

Ultra-Flat

Also Offers

6.2 Miles10.3 Miles9.3 Miles3.1 Miles1 MilesVIRTUAL Options

Historical Performance

Median Finish

2:14:34

10:16/mi

Winning Time

1:14:14

5:40/mi

Finishers (2018)

966

States Represented

26 / 50

Gender Split

70% Female30% Male

Finish Time Distribution

1:103:40

FASTER 25%

1:57:54

MEDIAN

2:14:34

SLOWER 25%

2:32:16

Average runner age: 43

Race Day Weather

5-year historical avg

Start (Low)

52°

Afternoon (High)

72°

Warm — hydration strategy is key, start conservatively

0.0"

Precipitation

8 mph

Wind

60%

Humidity

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