Northwoods Marathon & Half Marathon

Northwoods Winter Trail Marathon and Half Marathon

The Northwoods Winter Marathon and Half Marathon Championships take place in Duluth, MN on January 3, 2026. The event is listed at 2940 Seven Bridges Rd and uses the fat bike trail network in Lester Park and the Hawks Ridge fat bike trail above the Lakeside neighborhood. Registration for the event closes on Fri, Jan 2 at 11:59 PM CT.

• Marathon
• Half Marathon
• Snowshoe Marathon
• Snowshoe Half Marathon

Course and series details

The races run primarily on packed multi-use fat bike trails. The Hawks Ridge section is noted for high elevation above the Lakeside neighborhood and views of the city and lake. This race is part of the Duluth Winter Trailrunning Series, a new series of winter trail races that use packed snow trails throughout Duluth. The series schedule includes events at Chester Park, Lester Park, Hartley Park (a 10K), and a four-hour event called the Frozen 4 Hour in Lester Park. Two races in the series include both snowshoe and "no shoe" trail running divisions. Runners who finish all four races in the series are eligible for a special award. Visit the organization's website for the most recent information.