October 14 & 15, 2017


Event Overview

5Miles 13Obstacles 1Extraordinary Experience
10Miles 20+Obstacles
3Miles 10Obstacles 1Fearless 5K
As a result of the fires spreading throughout the Sonoma area, TMHQ will be cancelling the Tough Mudder NorCal event on October 14 & 15. The safety of you and the community are our paramount concern. Additionally, TMHQ wants to ensure local officials and emergency responders who are instrumental to producing safe Tough Mudder events can focus their attention on supporting the local community.

Please check your email for full details or email [email protected] for additional information.

NorCal 2017

Saturday, October 14, 2017
Sunday, October 15, 2017

Stuff you'll get

Action Photos Performance Finisher T-Shirt White Finisher Headband Ice Cold Beer

Free training guide


Other ways to participate

Join the Tough Mudder community, there's a spot for you here.

VIP Corporate Packages

Be a Badass Boss. Make the executive decision to take team building to the most epic level imaginable.

Learn More

Volunteer and join 'probably the best team on the planet'.

Learn More


Ever thought about running a Tough Mudder for free? Find out how you can join a team to take on a Tough Mudder and fundraise for a great cause.

Support our official charity partner, Team Rubicon.

Learn More
Tough Mudder's Charity Family

Choose from the 100+ organizations in our Charity Family who do amazing work for those in need..

Learn More

Mudder Passes

Don't want to stop at just 1 event? Get more Mudder action and big savings when you buy a regional or season pass.

Regional Pass

Buy a Tough Mudder Regional pass and get access to any 3 North American events of your choice (for less than $90 per event).

Learn More
Seasonal Pass

Take on as many events as you want with our North American Season Pass (for less than $20 per event). Buy now, choose later.

Learn More


Sonoma Raceway
29355 Arnold Dr.
Sonoma , CA , 95476
United States
California US
Travel Time

San Francisco: 1 hour
Sacramento: 1 hour 30 minutes

Tough Mudder Half Event Day