Sean O'Brien 100K/50M/50K/26.2/30K
- Running
- 161 km
- 80 km
- 50 km
- Marathon
- 30 km
Race #2 of the new SoCalTrail "Trail ½ Series" - 6 half-marathons in 2026 with chances to win SoCalTrail Passes!! This cross-country course offers 10K and 22k distances for all levels of runners. Weave your way along the twists and turns, climb the crazy switchbacks and fly along the hillsides on the Millenium Loop Trail past celebrity homes. See why the Las Virgenes Canyon Valley is not to be missed! Run through several different eco-systems, 2 pyramid trails with expansive views, and several creek crossings! Enjoy the views or hammer with your head down. The Singletrack Stampede will not disappoint!
Take away a race shirt, finisher medals, and amazing race photography that's included with your entry. The Singletrack Stampede Trail Run experience includes delicious vegan-friendly breakfast, sports massage treatment by Vision for Enrichment and an awards ceremony for 10k and 22k age group runners. The 22k offers a $500 Course Record Bonus!!
All SoCalTrail races are CUPLESS.
22k Course: 14.06 miles with 2,593' gain
10k Course: 6.3 miles with 1,000' gain
All SoCalTrail races are CUPLESS.
Volunteers from other SoCalTrail events can earn Race Credits for the Singletrack Stampede!! To Volunteer at the Singletrack Stampede, or other SoCalTrail races, please sign up HERE or email [email protected]. We'd love to have you on the team!! All volunteers get awesome race swag, meals, coffee/cocoa and massage. Race credits to future SoCalTrail races are $15/hour and are transferrable to friends and family! Please email [email protected] with any questions.
If you're an active Firefighter, Lifeguard, Race Director or running group organizer please email [email protected] for your SoCalTrail discount code.
| 10k Trail Registration | $83.00 | View | 
| 22k Trail Registration | $110.00 | View | 
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