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11 January 2011, I had a life-changing event at age 52. I had a nearly fatal heart attack with a right coronary artery that was 100% blocked. When the doctors put in a stint and cleared the blockage, my heart stopped. The staff made me ride the lightning twice before God decided to let my heart restart. I didn’t have a cardiologist at the time, because just 6 months prior I had a physical and was given a “your good to go” diagnosis. The cardiologist that found me is a very active mountaineer (kinda weird he’s in desert of West Texas). He told me I didn’t have any sufficient heart...

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Did you know, at 14,000 ft the air has 43% less oxygen than at sea level!?

So how do we train for Altitude?

Here’s a few tips:

1. Gradual Acclimatization: it's crucial to gradually acclimatize your body to the reduced oxygen levels. Start by training at moderate altitudes and gradually increase the elevation over time. This allows your body to adapt and build red blood cells, which carry oxygen more efficiently. Rapidly ascending to extreme altitudes increases the risk of altitude sickness.

2. You burn more energy at high altitudes. The exact increase in energy...

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What separates successful and unsuccessful race results can almost always be attributed to a racers ability to manage variables. In long distance bike racing, managing variables begins months or sometimes years before lining up at the start line. While physical preparedness is perhaps the most important variable, what we encounter on race day, and the way we respond is perhaps just as likely to impact how we finish the race.

My approach to managing variables has been to define those which I have total control over those which I do not. What’s critical however,...


Before working with Boundless, I didn't think a strategic training plan was necessary to accomplish my running goals. I am not a pro-runner. I am just a guy who loves to test myself against mountain courses and improve on what I have done in the past. But through working with a Boundles coach, I learned that in order to maximize my potential, my training needed to be intentional.

In high school, I was taught to always push myself; to go harder, and to dig deeper. A running mentor once told me that if everyone else was giving 100%, I needed to give 110% in...


“It’s going to be hard work, but we'll have fun.” The last words of the first phone call with my coach. It was the end of August and I was going to run the Austin Rattler 50K in November. I had my work cut out for me. Just to spice things up a bit, I had also signed up for Brazos Bend 100 in December. Yeah, you read that right. The month right after the 50K, 28 days to be exact, I was going to tackle my first hundred.

You might be thinking to yourself that I’m overly ambitious and tad insane, and you’d be right, but that little bit of...


Chris Barnett had run one ultra on a track previous to the Leadville 100. A 40 miler to raise money for charity. He was inspired to run Leadville even though he didn’t do any research about the race, and had no idea what he was getting into. He signed up for the Boundless coaching package with guaranteed entry, and was reffered to coach Cat Bradley by a friend. In the first couple of conversations, they both realized that he was in over his head. He had never heard of a pacer, didn’t realize it was on trails, and had no expereince with the details of ultra running including nutrition,...

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Join Boundless Coaches Jay Friedman MD and Kathy Pidcock as they cover the following:

  • Pacing and Crewing basics
  • How to Pace
  • What to Expect
  • Logistics
  • Safety
  • Gear
  • Crew and Aid Stations

Jonathan (Jon) Clinthorne is an ultra endurance athlete with a doctorate in Human Nutrition from Michigan State University. Growing up as a competitive swimmer, the idea of training for 2 hours a day when training for ultramarathons did not seem outlandish, so he jumped right in. During college he decided to pursue nutrition as a full-time career, falling in love with the biochemistry of ultra endurance athletics. He has run over 50 ultramarathons, including twelve 100 mile races. Jon has self-experimented with just about every nutrition approach and over the years found what works and...


Ben Davis is a Navy SEAL Veteran and CFO of Veteran's Outdoor Advocacy Group (V.O.A.G)

Growing up in Virginia, Ben developed a passion for endurance sport and mountain sports early in life. After attending college at the University of Tennessee at Chattanooga, Ben enlisted in the Navy serving in the SEAL teams. During his service he completed 3 deployments and an MBA from William and Mary. Ben has achieved and volunteered in numerous successful racing and mountaineering endeavors in the later years of his service. In the years since leaving the Navy, Ben has been a mentor and thought...


As a physiologist and physician, I believe in integrating the scientific aspects of training with the joy and appreciation for the sport I’ve gained over thirty years of running and racing on trails, roads, and track. My goal is to help build a varied, sensible training plan that fits into your busy lifestyle, and will help you reach the finish line happy, healthy, and enthusiastic for whatever challenges lie ahead.

- Education & Certifications

- Physician and Physiologist



• Ultra Distance/Trail Runner/Road Racing/Exercise...