Frozen 4 Hour & 5K - Duluth Winter Trail Series
Lakeside/Lester Park, United States • 7 Feb 2026
Event overview
The Frozen 4 Hour & 5K takes place on Saturday, February 7, 2026, in Lester Park, Duluth, MN. Distances offered include:
- 5K
- 4-hour timed race (competitors attempt to cover as many miles as possible in four hours)
The Frozen 4 Hour is held on frozen, snowpacked, packed multi-use trails with the start and finish at the Lester-Amity Chalet. The listed venue address is 2940 Seven Bridges Rd, Duluth, MN. Registration for the event closes Friday, February 6 at 11:59 PM CT.
Series and course details
The race is part of the Duluth Winter Trailrunning Series, which uses packed fat bike trails around Duluth. The series schedule includes routes at Chester Park, Lester Park, and Hartley Park, and finishes with the Frozen 4 Hour at Lester Park. Two races in the series include snowshoe and "no shoe" (trail running) divisions. Runners who finish all four races in the series receive a special award; there is a discounted price on the final race when all four are paid for together. Visit the organization's website for the most recent information.