Jeff Browning
UltrarunnerKnown for:
Nicknamed "Bronco Billy." Hardrock 100 champion (2018) and seven-time finisher. Over 40 career ultra wins with 30+ at the 100-mile distance. Colorado Trail supported FKT holder.
Sponsored by: Altra Running, UltrAspire, Injinji, Vespa, Patagonia, GU Energy Labs, Suunto, Rudy Project, Squirrel's Nut Butter, Pro-Tec Athletics
Jeff Browning has been competing in ultramarathons for over 25 years. Known as "Bronco Billy," he has accumulated over 40 career ultra wins, with more than 30 at the 100-mile distance, placing him second in the world for most 100-mile wins ever. He is a seven-time Hardrock 100 finisher and 2018 Hardrock champion, and set the 2016 world record for the Western States/Hardrock "Double" (completing both races in 42:12:43). He holds the supported FKT for the 490-mile Colorado Trail in just over seven days, and the supported FKT for a quad crossing of the Grand Canyon. He is the only man over 50 to be ranked in the top ten of UltraRunning Magazine's North American Ultra Runner of the Year, an honor he has received eight times. Browning is also an endurance coach and contributor to Altra's product development.
Jeff Browning's Gear List(4)
Rudy Project
Product description
Sport sunglasses and prescription eyewear for cycling, running, and triathlon using Grilamid and Rilsan Clear bio-plastic frames. Quick Change interchangeable lens system, adjustable nosepieces, and ImpactX photochromic option. Power Flow ventilation channels on road models reduce fogging. Wide prescription compatibility.
Connection note
Sunglasses
Altra
Product description
Altra's flagship zero-drop trail shoe with a 25mm stack height and 0mm heel-to-toe drop. The standard Lone Peak 9 uses MaxTrac rubber with 3.8mm lugs; the Lone Peak 9+ upgrades to Vibram Megagrip. Upper is 100% recycled ripstop mesh, weighing approximately 303g in men's US 9. The wide toe box and balanced cushioning make it versatile for long days on mixed terrain.
Connection note
Zero-drop, foot-shaped toe box, primary shoe
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Last updated March 18, 2026