Arrowhead 135
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Event overview
Arrowhead 135 is a human-powered ultramarathon held in Northern Minnesota. The course covers 135 miles on the Arrowhead State Snowmobile Trail from International Falls to Tower, MN (Fortune Bay Casino). Racers may start by bicycle, ski, or on foot. The event takes place in winter and is noted for extreme cold and possible snowstorms. The race has been recognized in the book "The World's Toughest Endurance Challenges."
Course, conditions and history
Organizers describe rugged, scenic trail conditions and consistently very low temperatures, with frostbite and heavy cold reported in past years. Finish rates vary; the event notes an overall average finish rate close to 50% and a 2019 finish rate of 35%. The event is described as organized by volunteers and has run for multiple years.
Registration, fees and entry rules
Registration closes on Mon, Dec 1 at 11:59 PM CT. Entry fees are described as modest. Leftover funds after expenses are donated to the Special Operations Warrior Foundation, the Falls Food Shelf, and bicycle donations for local children. Refunds are not normally offered; if the race is canceled organizers state a refund of about $150 will be issued and the remainder used for fixed costs and donations. The roster size is limited; preference is given to race veterans and past volunteers. Applicants are reviewed and will receive confirmation if accepted. Visit the organization's website for the most recent information.
