Wild Duluth Races 100K and 50K ultramarathons on Saturday October 21, 2023. The 100K starts and ends at Bayfront Park in Downtown Duluth at 6:00 a.m. 50K starts at Oldenburg Point in Jay Cooke State Park at 8:00 a.m. 100K is out and back and 50K is point to point. Bus transportation to the start of the 50K. Including the Wildman and Wildwoman competition for those “Wildmen” or “Wildwomen” that can complete races on both days! Join us for the best and most scenic trail races in Minnesota in October!