Triathlon Calendar near Fairbanks 2025-2026

Mar

14

Saturday

Tanana River Challenge

Fairbanks

Multisport

Tanana River Challenge is a rugged endurance race in Fairbanks for runners, skiers, skijorers and cyclists on scenic 25 miles or 45 miles routes along the Tanana River and through Rosie Creek forest. Expect remote packed snow trails and a true test o..

Mar

22-23

Su - Mo

White Mountains 100

Fairbanks

Multisport

A winter human powered 100 mile loop in Alaska's White Mountains for runners, skiers, and cyclists with 40 hours to finish. Remote Arctic scenery, big climbs, frozen trails and changing conditions demand recent winter backcountry experience and self..