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.

Race information

4 km
4 Hour
5 km
Visit the organization's website for the most recent information.
Trail runs nearby

Join the Chester Rim 5K at Chester Park in Duluth for a scenic loop along the Chester Rim Trail, dropping into waterfalls and a gorge. This winter trail run on packed snow offers a beautiful, challenging outing for trail lovers.

Run snowy fat bike trails in Duluth at the Northwoods Winter Trail Marathon and Half Marathon, with elevated routes offering city and Lake Superior views. Snowshoe divisions and series rewards make this a memorable winter challenge.

Run a scenic winter 10K through packed fat bike trails in Duluth's Hartley Park, with a snowshoe division for a fun snowy twist. Part of the Duluth Winter Trailrunning Series, this race delivers winter trail vibes and friendly competition.

Join Summit North Trail Runs in Duluth on August 14 and 15 for scenic, challenging trails. Races range from a hill climb and 5K to an 8 mile, a heavy half marathon and a kids trail run.