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Spartan Trail - San Luis Obispo Trail Half Marathon & 10K

Event details
  • . 17 days left to book
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The epic Spartan Trail Series returns with the San Luis Obispo 10K & Half Marathon. Nicknamed SLO CAL, racers will be anything but slow as they dash through the sprawling acres of Santa Margarita Ranch, past beautiful vineyards and rolling hills, battling the heat of the SLO CAL sun.

How to enter the Spartan Trail - San Luis Obispo Trail Half Marathon & 10K

  1. 10K

    Run 10km
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  2. Half Marathon

    Run 13.1mi
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  3. Festival Pass

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Spartan Trail - San Luis Obispo Trail Half Marathon & 10K routes

Santa Margarita Ranch is the venue for this Spartan Trail race. The ranch, located in San Luis Obispo County, SLO CAL, is the perfect setting for trail fanatics to tackle their next adventure.

Surrounded by sprawling acres and in the shadows of the San Pedro National Forest, runners will be constantly enthralled by their surroundings. The route is anything but boring, with views along the way including the ranch's sustainable vineyard, working cattle ranch and railroad line.

After basking in the glory of pushing yourself to your limits around this course, relax with an on-site wine tasting, explore the ranch (some more), or simply mingle and celebrate the success of another great race with fellow Spartans.

Event Details

What’s Included
  • Spartan Trail Finisher Medal
  • Spartan Trail Finisher Shirt
  • Free professional photos
  • Bananas
  • Cold can of FitAid
  • Prize money for 1st, 2nd, & 3rd M/F
  • 3 Top Finishers in each age group will earn a unique Top Finisher Medal
  • Merch discount, parking services, bag drop (incl. in Fees)
Raceday Logistics


08:00am: Registration opens

09:30am: Half Marathon start time

09:45am: 10K start time

Please arrive at least an hour before race time to ensure plenty of time for registration.

Festival Passes:

One festival pass is included with each Trail entry. Additional passes may be purchased online for $20 or $25 in cash on the day.

Festival passes include a merch discount card, finish line viewing, proximity to vendor tents, and hot food for sale.

Kit List
  • Performance gear is recommended - not cotton.
  • Trail shoes
  • Sunscreen
  • Hydration packs, energy gels, or energy bars are recommended for during the race

Spectators can get a front row seat to the action in the Spartan Race festival ground. Fans will enjoy music, entertainment, festival challenges and even the chance to win prizes in the raffles. Festival passes are available online for $20 or on the day for $25 paid in cash.


As a Spartan Race volunteer, you will help the racers and spectators to have an epic race day. A big AROO for all volunteers as you will have a unique race experience in all that is Spartan:

Sign up here to be a volunteer

Frequently Asked Questions

Can I bring my dog to the event?
Unfortunately, for the safety of participants and pets, pets are not allowed at the event.
What is included in the registration fee?
The registration fee includes bag check services, parking, and a discount off the awesome Spartan merch.
Will I receive anything in the mail for the event?
No, all info will be sent via email and all race essentials will be picked up on the day.
I can no longer compete in the race, are there options to defer or transfer?
Life happens sometimes and Spartan Race will allow you to defer or transfer your registration. You have until 30 days until after your event to defer the registration to a new event. From then, you have 90 days after the event to sign up for a new event (note, the event does not need to occur within the 90 days). You can also defer your entrance to a different person. Please see event website for more details.

Spartan Trail - San Luis Obispo Trail Half Marathon & 10K weather forecast

Clear throughout the day.

Predicted highs
Predicted lows
IconLight breeze possible, up to 6mph

Meet the organiser

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Spartan Trail isn’t an obstacle course race. This no-obstacle event features epic runs along the world’s most rugged trails. And this year, we’re hosting the all-new Trail World Championship.



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Tickets $20–$84.99

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  • Official booking partner
  • Best price guarantee
  • Free injury protection

Have a question? See our Help Center

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