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© Scott Rokis

© Arrowhead Ultra

© Arrowhead Ultra

Arrowhead Ultra 135

2025 Race Registration

Race Dates

The 2025 edition of the Arrowhead 135 will be Jan 27-29, 2025.  Registration will be open Sept. 1, 2024.

Race Rules/Changes

  • GPS tracker must be active prior to registering at Kerry Park starting line.
  • inReach Mini batteries will not likely last the entire race in a cold year – auxiliary batteries are recommended.
  • There will be a time penalty for finishing with a lost or dead tracker.

2024 Track Leaders

Racers, click/tap HERE for Trackleaders registration. All racers are required to have a satellite tracker for the 2024 race. You must have this taken care of WELL before gear check. Rental trackers will be shipped to me and be available at gear check.

Dot watchers, click/tap HERE for tracking racers.

Our Charities

Special Ops Warrior Foundation

Special Ops Warrior Foundation

The Special Operations Warrior Foundation’s enduring promise to America’s Army, Navy, Air Force, and Marine Corps Special Operations Personnel is to honor the fallen, and all Medal of Honor Recipients, by providing full educations and additional opportunities, “cradle to career” (preschool – college), to their children.

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Knights of Columbus Coats for Kids

Knights of Columbus Coats for Kids

Provide warmth for children in need during cold winter months. The goal of the Coats for Kids program is to ensure that no child in North America goes without a coat during the winter season.

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ISD 361 Community Education

ISD 361 Community Education

Independent School District 361 Communication Education hosts a Bikes for Kids give-away for children in the International Falls area. Arrowhead Ultra donates bicycles to ISD 361 for this program.

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Our Sponsors