Photo: Howie Stern

Ultra Marathon Career Stats

  • 1st 2023 Bighorn 100
  • 1st 2023 Sedona Canyon 125 Mile (course record)
  • 1st 2023 Mesquite Canyon 50 Mile
  • 1st 2023 Elephant Mountain 50K
  • 1st 2023 Coldwater Rumble 100
  • 1st 2022 Moab 240 (course record)
  • 1st 2022 Scout Mountain 100 (course record)
  • 2x Rim to Rim to Rim Grand Canyon FKT (Fastest Known Time); view video
  • 1st 2022 Three Days of Syllamo (50K, 50M, 20K)
  • 1st 2021 Blood Rock 100
  • 1st 2021 Mogollon Monster 100
  • 1st 2021 Zion 100
  • 1st 2019 Blood Rock 100 (course record)
  • 1st 2019 Buffalo Run 50K
  • 1st 2019 Tarawera 100 (New Zealand)
  • 2x Bear 100 Winner (2017, 2019)
  • 1st 2018 Pinhoti 100
  • 4x Top 10 Western States 100 Finisher (2016, 2017, 2018, 2019)
  • 1st 2018 Hardrock 100
  • 1st 2018 Antelope Island 100
  • 1st 2017 Yakima Skyline 50K
  • 1st 2017 Coyote Backbone 68 Mile (FKT)
  • 1st 2017 Hagg Lake 50K
  • 1st 2016 Frozen Trails 50K
  • 2016 Western States 100/Hardrock 100 Double Record (Former Fastest Combined Time) Watch Documentary
  • 1st 2016 Free State 100K (course record)
  • 1st 2016 HURT 100
  • 3rd 2015 Ultra-Trail Mount Fuji (Japan)
  • 1st 2015 Ultra Fiord 174K (Patagonia Chile)
  • 1st 2014 Grindstone 100
  • 1st 2014 Smith Rock 50k
  • 1st 2014 Zion 100 (course record)
  • 2x Sand Diego 100 Winner (2012, 2013)
  • 4x Bighorn 100 Winner (2005, 2006, 2008, 2023)
  • 1st 2012 Wasatch Front 100
  • 1st 2012 Silver State 50k
  • 2011 USATF Master's 50k Trail Champion 
  • 1st 2010 Cascade Crest 100
  • 1st 2010 Silver State 50
  • 1st 2009 Ozark Trail 100
  • 1st 2009 Virgil Crest 100 (course record)
  • 1st 2007 Mt. Diablo 50k
  • 1st 2007 Arkansas Traveller 100
  • 2x Run Rabbit Run 100 Podium Finisher

About Jeff Browning

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.

Why Bronco Billy?

In his early ultra days, a running buddy came up with the nickname due to his tendency to yell "Yee-Haw" and "Giddyup" when his stoke was high on a running adventure. Others started calling him "Bronco" too and it just kinda stuck.

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