The Black River Chase

NCTRaces 15x is a last runner standing race on a one mile out and back loop at Palmer's Landing. Finish each mile in 15 minutes to stay in, enjoy single track trail and help support the North Country Trail.

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.

Take on the Frozen 4 Hour & 5K in Lester Park, Duluth on Saturday February 7, 2026. Choose a speedy 5K or a 4 hour endurance challenge on packed snow trails with a festive finish.

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.