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The 5 Key Ultrarunning Workouts That’ll Improve Your Performance

The five essential ultrarunning workouts described here will help you accumulate time at intensity and target specific areas of your fitness allowing you to be much more effective with your training time and show up ready for the demands of your next ultra.

Real Food for a Fat-Burning Athlete

I’m nearly 50 miles into the Ardennes Megatrail, a 93k race in the Ardennes forest of France, near the Belgian border. Europe, AKA Salomons, spandex and hiking poles. It’s mid-afternoon, 10 hours into the race, and many runners are really struggling on this hot day in late June: walking, stopping, puking.

Muir Energy teams up with Make-A-Wish San Diego!

The Make-A-Wish Trailblaze Challenge has landed in San Diego for its’ 2nd year!! Last year Muir Energy had a humble presence, but this time around, thanks to our success over the past year, we are able to be an official sponsor!

A Transformation in Health

by Ian Ramsey, Ultra Runner In my twenties and early thirties, I considered myself healthy. I ate whole foods, more ...

What is Mate? 3 reasons you need it in your life!

MUIR Energy makes use of Yerba Mate to give you the boost and mental alertness that you need to fuel your adventure!

Are you skeptical of Muir Energy? So WAS I……

I can honestly say that using Muir Energy is one of the best decisions I’ve ever made for my nutrition as an endurance athlete—no more burps, no more upset stomach, and no more of the bad kind of runs while out on the trails.

4 Misconceptions of Rock Climbing

Interest in the sport of rock climbing has grown exponentially as more and more indoor gyms have popped up around the world. What used to be a male dominated sport run by the dark horses and grubby dirtbags of Yosemite, we are now seeing a diversity never before seen in the climbing world. Accessibility to outdoor crags and indoor gyms has played a vital role in this shift, but as a new comer how do you break through?

Life is About Living!

To kick off our blog for the year we have invited our loyal ambassador Roberta Horn to share her experience as an endurance athlete who has persevered through many challenges. We hope her story may inspire you to not back down in difficult times, and to 'follow your dreams, take a chance because life is short, and life is about living."

Muir Energy now in REI!

We're beyond excited to add REI to our list of amazing retailers around the country, making it easier to get Muir En...

Q&A with Jackie Palmer Merritt

We recently caught up with physical therapist, neuroscientist, biomechanist, ultrarunner Jackie Merritt, she answered our questions about training, preventing injury and staying motivated. Her recent 2nd place female finish in the Georgia Death Race won her a Golden ticket entry into Western States 100 Mile.

A Mountain Guide’s Tips For Smarter Snacking

By Charlotte Austin In the mountain, there are lots of factors that contribute to success: weather, fitness, experie...

Embracing Change

By Francesca McNally Change. Moving back home. Leaving my friends, my extended family, my job, my identity. Leaving ...