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Wild Duluth Races - Wild Duluth 100K/50K, Harder 'n Heck Half & Terribly Tough 10K

Wild Duluth Races - Wild Duluth 100K/50K, Harder 'n Heck Half & Terribly Tough 10K

Wild Duluth Races offer challenging trail runs on the rugged Superior Hiking Trail.

Race Date

Oct 18, 2026

Location

Duluth, MN

Quick facts

Date
Sunday, October 18, 2026
Location
Duluth, Minnesota
Distance
Half marathon (13.1 mi) + 10K trail run
Course
Loop Course
Terrain
Trail
USATF certified
Not listed

Highlights

Good For

Destination Worthy

Atmosphere

Local CommunityWell Organized

Course

Shaded

The Experience

The Wild Duluth Races carve a path through the rugged beauty of Duluth, Minnesota, primarily utilizing the renowned Superior Hiking Trail. This series is a haven for trail runners seeking a true test of endurance and a deep connection with nature.

The ultra distances, the 100K and 50K, plunge runners into the wilds, demanding grit and strategic pacing. The Harder 'n Heck Half and Terribly Tough 10K offer challenging yet accessible options for those looking to experience the demanding terrain. Expect a course that winds through forests and along ridges, showcasing the natural splendor of the region.

This event draws participants from across the country, united by a love for challenging trails and the camaraderie of the running community. It’s a celebration of the wild spirit, where the finish line is just the beginning of the post-race satisfaction.

Race-provided description

100K and 50K ultramarathons on rugged Superior Hiking Trail through the wilds of Duluth, MN including Harder

Logistics

Race Day

Sunday, October 18, 2026

Start Time

TBA

Start Location

Duluth, MN

Directions

Course Info

Course Type

Loop Course

Terrain

trail

Scenery

Forest, Mountain

Surface

Dirt Trail

Difficulty

Hilly

Net Drop/km

0 m (Flat)

Separation

0.0%

Also Offers

10K trail run

Quality Score

Methodology
Heritage0/20

first year

Size0/15

no finisher counts yet

Momentum3/5

small race — neutral

Loyalty0/20

needs a few years of results

Course & details3/15

3 timing sources

National draw0/10

no finisher data yet

Front-pack speed0/5

no winner time yet

Weather10/10

typical high 56°F

Race Day Weather

5-year historical avg

Start (Low)

42°

Afternoon (High)

56°

Ideal racing weather — cool and comfortable

0.0"

Precipitation

12 mph

Wind

71%

Humidity

Race Photos

Frequently asked

When is the Wild Duluth Races - Wild Duluth 100K/50K, Harder 'n Heck Half & Terribly Tough 10K?

The Wild Duluth Races - Wild Duluth 100K/50K, Harder 'n Heck Half & Terribly Tough 10K is held on Sunday, October 18, 2026.

Where does the Wild Duluth Races - Wild Duluth 100K/50K, Harder 'n Heck Half & Terribly Tough 10K take place?

It takes place in Duluth, Minnesota.

What distances does the Wild Duluth Races - Wild Duluth 100K/50K, Harder 'n Heck Half & Terribly Tough 10K offer?

The half marathon (13.1 miles), plus 10K trail run.

Is the Wild Duluth Races - Wild Duluth 100K/50K, Harder 'n Heck Half & Terribly Tough 10K course flat and good for a PR?

The Wild Duluth Races - Wild Duluth 100K/50K, Harder 'n Heck Half & Terribly Tough 10K is a hilly, loop course course.

HalfRuns editorial — independent, no paid placement.

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