O2X Summit Challenges obstacle races, mud run, and OCR information, distance, cost, dates, calendar, discounts, obstacles, reviews, and more
O2X Summit Challenges are authentic, original mountain-running races with naturally occurring obstacles, all designed to push your personal limits and achieve your individual best. That’s the promise and goal of O2X Summit Challenges. Whether you’re an outdoor enthusiast, runner, obstacle course race fan, hiker or health enthusiast, these base-to-peak competitions offer a new and unforgettable opportunity to experience physical and mental growth – all fostered in a spirit of environmental awareness and sustainable living. These aren’t merely running challenges. They’re experiences of a lifetime.
Previous O2X Summit Challenges Events
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September 24, 2017Learn MoreWaterville New Hampshire O2X Summit Challenges 2017
Loon Mountain Resort, Lincoln, NH, United States -
September 23, 2017Learn MoreWaterville New Hampshire O2X Summit Challenges 2017
Loon Mountain Resort, Lincoln, NH, United States -
October 01, 2016Learn MoreLincoln New Hampshire O2X Summit Challenges 2016
Loon Mountain Resort, Lincoln, NH, United States -
August 13, 2016Learn MoreWinter Park Colorado O2X Summit Challenges 2016
Winter Park Resort, Winter Park, CO, United States -
October 03, 2015Learn MoreLincoln New Hampshire O2X Summit Challenges 2015
Loon Mountain Resort, Lincoln, NH, United States -
August 15, 2015Learn MoreWinter Park Colorado O2X Summit Challenges 2015
Winter Park Resort, Winter Park, CO, United States -
July 11, 2015Learn MoreGrouse Mountain Canada O2X Summit Challenges 2015
Grouse Mountain, Vancouver, British Columbia, Canada -
October 25, 2014Learn MoreWindham New York O2X Summit Challenges 2014
Windham Mountain, Windham, NY, United States -
October 18, 2014Learn MoreLincoln New Hampshire O2X Summit Challenges 2014
Loon Mountain Resort, Lincoln, NH, United States -
September 27, 2014Learn MoreNewry Maine O2X Summit Challenges 2014
Sunday River Resort, Newry, ME, United States -
September 13, 2014Learn MoreWarren Vermont O2X Summit Challenges 2014
Sugarbush Resort, Warren, VT, United States
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