Arrowhead Ultra 135

Event Overview

The Arrowhead Ultra 135 is a human powered ultra marathon that takes place annually in the extreme cold of winter. Covering 135 miles from International Falls to Tower, Minnesota, this endurance event is known for its harsh weather conditions and low finish rates.

Important Dates

Start Date: January 27, 2025
End Date: January 29, 2025
Registration closes on December 1, 2024 at 11:59 PM CT.

Course Details

Participants can choose to bike, ski, or run the course, which follows the scenic Arrowhead State Snowmobile Trail. The average temperature during the race can be extremely low, making it one of the coldest races globally.

Entry Fees

Registration for both 135M Veteran and Rookie is $291.05. Please note our entry fee policy: refunds of entry fees are not typically offered.

Charity Initiatives

Monies left over from race expenses are donated to the Special Operations Warrior Foundation Charity, Falls Food Shelf, and local children's bike initiatives.

Registration Information

Applications will be added to a waitlist and reviewed. Only confirmed participants will be billed. For inquiries, check your email confirmation.