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

Sunday, October 18, 2026

Duluth, Minnesota

Race Day

Sunday, October 18, 2026

Course

Loop

Also Offers

10K trail run

Registration

Race Website

Official race information

☀

Avg High

56°F

☽

Avg Low

42°F

☂

Precip

0.04 in

🍃

Wind

12.4 mph

71% humidity·Based on 5-year historical data

APR 17

CentraCare Earth Day Run

APR 25

Get In Gear

APR 25

Campwannarun

MAY 2

Brainerd Jaycees Run for the Lakes

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Race Day

Sunday, October 18, 2026

Course

Loop

Also Offers

10K trail run

Registration

Race Website

Official race information