Runway 4KRunway 4KGetty Images/iStockphotoShare on TwitterShare on FacebookJuly 13Sky Harbor AirportEvent Website: https://duluthairshow.com/runway-4k/Contact: Phone(218) 628-9996Additional InformationThe Runway 4K will be held on Saturday, July 13 , 2019 at Sky Harbor Airport in Duluth, MN. Registration information here.