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Jeff Browning (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 for over 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. He’s also a 7-time finisher and 2018 champion of the wild and tough Hardrock 100 in SW Colorado. He has finished nearly 200 ultra marathons in his career, racking up over 40 career ultra wins — 29 of those at the 100-mile plus distance, making him 2nd in the world for the most 100 mile wins in history. He’s been ranked seven times in the Top Ten of Ultrarunning Magazine’s North American Ultrarunner of the Year and ranked third in Ultrarunning Magazine’s North American Ultrarunner of the Decade (2010-2019). He holds multiple course records, including Moab 240. Jeff pulls from his wealth of knowledge, experience and passion for ultra trail running and exploring the mountains in order to help other endurance athletes improve and succeed.