Jeff (aka Bronco Billy) is a veteran ultra runner and endurance coach. He has competed in some of the world’s hardest and most competitive ultra mountain races over the past two decades, including Western States 100, Ultra Fiord in Patagonia Chile, Europe’s Ultra Trail du Mont Blanc, and Ultra Trail Mount Fuji in Japan. A seven-time finisher of the wild and tough Hardrock 100 in SW Colorado, Jeff has finished nearly 200 ultra marathons and racked up over 40 career ultra wins.
Career Highlights
Over 40 career ultra wins. 30 wins in the 100-mile-plus distance, placing him second in the world for the most 100-mile wins in history.
Four consecutive Top 10 finishes at Western States 100
Ranked No. 3 in Ultrarunning Magazine’s North American Ultrarunner of the Decade (2010-2019)
Ranked 8 times in the Top Ten of Ultrarunning Magazine’s North American Ultrarunner of the Year — the only man over 50 to make the list (3 times)
In addition to his running achievements, Jeff has owned and operated his own business for over 20 years. He spent nearly two decades as a graphic designer before starting an endurance coaching business. He pulls from a wealth of knowledge, experience and passion in ultra running, mountain exploration and entrepreneurship. He connects with his athletes, helping them improve nutrition, endurance, mindset, problem solving, strategy, goal setting, and grit. He lives and trains in Flagstaff, Arizona with his wife and three children.
Intelligent, periodized training plan personalized for you in 3 week blocks
Includes strength, mobility and run workouts
3 weekly emails or texts for questions and feedback
30-minute Google Meet video or phone call every 3 weeks for personalized feedback and strategy
Customized long run and race nutritional strategies
Guidance if life gets in the way & goals need to be refocused
Workouts delivered through Training Peaks
Discounts on select gear, nutrition and supplements
Sorry! Jeff's roster is currently full.
Check out our available coaching options:
Trish shares her love of running while guiding athletes toward better movement patterns through mobility, strength and improved running technique.
Remo combines his “blood and sweat” experience in the field with his insatiable hunger for coaching knowledge through his routine consumption of books, publications and research papers.
Tyler is passionate about how strength and conditioning, coupled with nutrition and endurance training is a recipe for health and longevity.