Frozen 4 Hour

The Frozen 4 Hour will be a timed four hour race where competitors will attempt to run as many miles as possible in 4 hours on a frozen, snowpacked trail. This will be a fun and challenging event taking place on packed multi-use trails. The race will take place in Lester Park with the start/finish line at Lester-Amity Chalet.

Duluth Winter Trailrunning Series

The Duluth Winter Trailrunning Series (DWTS) is a new series of fun, challenging and unique trail running races taking place primarily on the wonderful snowpacked fat bike trails in Duluth, MN. The trail running series will take advantage of the extensive system of packed multi-use fat bike trails that snake throughout the City of Duluth and provide incredible and unique opportunities for trail runners to explore the amazing topography and views of Duluth in the winter. Locals find the packed fat bike trails to be even more fun to run in the winter than when they're snow free!

We've selected a few of the most fun, scenic and popular routes for winter trail runners. This years winter trail running series will start at Chester Park, move to Lester Park where we'll revive a winter classic, move to Hartley Park for a 10K on a quintessential route in the heart of Duluth and finish with a 4 Hour test of endurance at the Frozen 4 Hour on a fun and scenic course in Lester Park

December 14, 2024 - Chester Rim 5K
January 4, 2025 - Northwoods Winter Trail Marathon and 1/2 Marathon - "no shoe" and snowshoe divisions
January 25, 2025 - Hartley Park 10K - "no shoe" and snowshoe divisions
February 15, 2025 - Frozen 4 Hour - Lester Park

Pay for all FOUR RACES in the series and receive a discount on the last race in the series.

Join us this winter for this fun series of races on the amazing winter trails of Duluth! Can you finish the 4 races in the Series and become a Winter Trail Series Survivor? Special award to runners who finish all four races.

Two of the races will include snowshoe and "no shoe" (trail running) divisions.

This winter trail series will open up a whole new window of winter fun for runners not used to running on smooth, snowpacked trails. Join us this winter and become a Winter Trail Series Survivor! Be sure to dress warm!

Event's current local time: 10:00 AM CT