Wild Duluth Races

OCT
17-18
2026
Two days of trail races in Duluth, Minnesota featuring 100K and 50K ultramarathons plus a half marathon and 10K on the Superior Hiking Trail with rocky, rooty terrain and views of Lake Superior.
17-18 Oct 2026
100 kilometers 50 kilometers 13 miles 10 kilometers

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Wild Duluth Races

The Wild Duluth Races are a two day trail running event in Duluth, Minnesota. The program includes long ultramarathons and shorter trail races, and is noted as the 18th running of the event. Races take place on trails associated with the Superior Hiking Trail and pass through the City Limits of Duluth while offering views of Lake Superior.

The course terrain is described as rugged, rocky and rooty, with sections that feel remote despite running largely within city limits. The event schedule places the longer ultramarathons on Saturday and the shorter half marathon and 10K on Sunday.

Distances included in the event:

  • 100K ultramarathon
  • 50K ultramarathon
  • 13.1M half marathon
  • 10K trail race

Apparel notes are provided for entrants: long sleeve shirts for the 100K, 50K and half marathon are unisex. Short sleeve shirts for the 10K are available in separate men's and women's cuts, so participants are advised to size accordingly. Registration for the event closes on Mon, Oct 12 at 11:59 PM CT. Visit the organization's website for the most recent information.

100 km
100 K
50 km
50k
13 mi
Harder 'n Heck Half Marathon
10 km
Terribly Tough 10k
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