Explore, enjoy, and protect the planet

Join our Tough Mudder Team

Tough Mudder

Tough Mudder

Join our FIRST ever Team Sierra Tough Mudder group. We have a limited number of charity bibs to get you FREE entry into the Tough Mudder race of your choice listed below. The bibs are first come, first served to those that commit to raising $750*.

We will have official teams at these 3 races:

• August 25: Chicago Tough Mudder Half
• October 6: NorCal Tough Mudder Half
• October 7: Tri-State Tough Mudder Half

We also have limited entries into other Tough Mudder events, contact us to find out if the race of your choice is available.

Visit toughmudder.com for more information on each race.

The funds you raise will include:

• Complimentary entry into the Tough Mudder race or your choice.
• A complete training schedule.
• The opportunity to meet and race with a community of other racers that want to protect our planet.
• An invitation to our exclusive Facebook group.
• Fundraising coaching to help you reach your goal.

You'll also receive Team Sierra merchandise as you reach fundraising milestones:

• $100 - Team Sierra T-shirt
• $500 - Team Sierra Hat
• $1000 - Klean Kanteen | Team Sierra Water Bottle

The funds that you raise go will enable the Sierra Club to do things like:

• Provide cleaner, cheaper, energy.
• Protect our land, water, and air -- from our backyards to the other side of the globe.
• Save animals being threatened with extinction.
• Make the outdoors accessible for all of us.

Thanks so much!
Jenny Muschinske
Team Sierra Coordinator

P.S. When you sign up, you'll receive an email from me with more information.

*You'll also be responsible for your own travel and accommodation.


Some NEW challenges to expect in the 2018 races:

This race isn't just about hanging out...

You up for the challenge?

New obstacles!


Check out these photos from some of the past Tough Mudder races!


raised of $45,000 goal

52 Fundraisers

Join Our Group

Recent Donations

1. Neala Johnson
2. Gerrick Vazquez
3. Steven Vazquez
You got this!
4. John Wolf
5. Michael Gay
You’re awesome!! - Michael, Stacy, Luca and Ella (From Stacy’s Tummy) ????
6. Christopher Harris
Get well soon Earth!!!