Nature Made Great Race: Half Marathon, 5K, 10K, 15K, 10M, 1M banner
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Nature Made Great Race: Half Marathon, 5K, 10K, 15K, 10M, 1M 2027

Date
Saturday, April 10, 2027
Start time
7:00 AM start (Los Angeles)
Entry fee
From $33.96 · goes up to $116.98 on Oct 6, 2026
Included with entry
Includes a shirt
Fundraising
Takes optional donations when you register
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Official race website

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Events and entry fees

EventDistanceWhenEntry feeCap
CHESEBRO HALF MARATHON (~8 Mile Trail & 5 Mile Road)Half MarathonApr 10, 20277:00 AM$107.55$116.98 after Oct 6, 20261,000
Cronies TRIPLE STACK CHALLENGE (10K + 5K + 1 Mile)10 MileApr 10, 20277:28 AM$92.45$102.83 after Oct 6, 2026100
DOUBLE STACK CHALLENGE (10K + 5K)15KApr 10, 20277:28 AM$83.02$92.45 after Oct 6, 2026100
OLD AGOURA 10K10KApr 10, 20277:28 AM$51.89$59.43 after Oct 6, 20261,500
DEENA KASTOR 5K5KApr 10, 20279:05 AM$45.28$51.89 after Oct 6, 20261,500
1 MILE - All Ages1 MileApr 10, 202710:20 AM$33.96$37.74 after Oct 6, 2026500
VIRTUAL OptionsVirtual–Apr 10, 20277:00 AM$46.22–

Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.

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The Half Marathon fee goes up to $116.98 on Oct 6, 2026.

Race day planning

Entry fee schedule

  • CHESEBRO HALF MARATHON (~8 Mile Trail & 5 Mile Road): $107.55 until Oct 6, then $116.98 until Nov 17, then $126.41 until Jan 5, then $135.84 until Feb 23, then $145.24 until Mar 16, then $154.72 until Apr 1, then $164.15 until Apr 10.
  • Cronies TRIPLE STACK CHALLENGE (10K + 5K + 1 Mile): $92.45 until Oct 6, then $102.83 until Nov 17, then $108.49 until Jan 5, then $114.15 until Feb 23, then $118.87 until Mar 16, then $123.58 until Apr 1, then $126.41 until Apr 10.
  • DOUBLE STACK CHALLENGE (10K + 5K): $83.02 until Oct 6, then $92.45 until Nov 17, then $98.11 until Jan 5, then $102.83 until Feb 23, then $107.55 until Mar 16, then $111.32 until Apr 1, then $115.09 until Apr 10.
  • OLD AGOURA 10K: $51.89 until Oct 6, then $59.43 until Nov 17, then $63.21 until Jan 5, then $66.98 until Feb 23, then $70.75 until Mar 16, then $73.58 until Apr 1, then $78.30 until Apr 10.

Online registration closes Apr 10, 2027, unless the race fills first.

How the price compares

At $107.55, entry is about 115 percent above a typical half marathon in California, which costs $50 right now.

What a typical finish looks like

A typical finisher at a half marathon in California runs 2:37:28, about 12:01 a mile, based on 44 races with published results. Women typically finish in 2:49:24 and men in 2:29:51.

Light and altitude

Sunrise on race morning is at about 6:31 AM, and the CHESEBRO HALF MARATHON (~8 Mile Trail & 5 Mile Road) starts at 7:00 AM. The start sits about 890 feet above sea level.

Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.

Start location and course

Chumash Park, Agoura Hills, CA 91301

The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.

Typical race-day weather

Around April 10 the day usually runs from 50°F at dawn to 71°F in the afternoon, with measurable rain on about 8% of days. Cold snaps dip to 42°F and hot years reach 83°F.

Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.

From the race's page

What the organizers of Nature Made Great Race: Half Marathon, 5K, 10K, 15K, 10M, 1M cover on their registration page, in brief.

Rules and FAQ

COVID-19

COVID-19 Planning. - Last updated February 16, 2022. This policy will update as guidance changes. You're going to be running through the beautiful hills of Agoura Hills soon! We cannot wait to see you proudly put your finisher medal around…

Full details on the race's RunSignup page

Race details

Where
Chumash Park, Agoura Hills, CA 91301Map
Course
Trail
Start elevation
About 890 feet
Results posted by the race
2026 Results
Included with entry
Chesebro Running Shirt (Short Sleeve or Long Sleeve Upgrade); Great Race Running Shirt (Short Sleeve or Long Sleeve Upgrade)
Donations
Accepted when you register
Distances
1 Mile, 5K, 10K, 15K, 10 Mile, Half Marathon
Editions
2027 (Apr 10, 2027), 2026 (Apr 11, 2026), 2025 (Apr 5, 2025), 2024 (Apr 13, 2024), 2023 (Apr 1, 2023), 2022 (Apr 2, 2022)

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Plan your race

Quick answers

When is Nature Made Great Race: Half Marathon, 5K, 10K, 15K, 10M, 1M?
Saturday, April 10, 2027, starting at 7:00 AM.
How much does it cost?
Entry starts at $33.96 before processing fees, and rises to $116.98 on Oct 6, 2026.
When does registration close?
Online registration closes Apr 10, 2027, unless the race fills first.
Is the entry fee high for California?
At $107.55, entry is about 115 percent above a typical half marathon in California, which costs $50 right now.
Do runners get a shirt or medal?
Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
Can I donate to a cause when I register?
Yes. The registration form offers an optional donation, usually for the charity or nonprofit the race supports. The race's own page names the cause.
What distances can I run?
1 Mile, 5K, 10K, 15K, 10 Mile, Half Marathon.
Where does it start?
Chumash Park, Agoura Hills, CA 91301.

From the organizers

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

Read the full description on RunSignup