Welcome to the Siuslaw Dunes! These beautiful and challenging point to point runs offer fun early season 50K, 20 mile and 12K races that traverse a wild tapestry of coastal terrain, including ancient open sand dunes with “tree islands”, old growth rainforest, stream fords and remote ocean beaches.This is an incredibly diverse, challenging, mostly point-to-point course and there is nothing else like it anywhere, so bring your sense of adventure to the coast and LET’S DUNE THIS! The Siuslaw Dunes 50K course (31.0 miles) offers magnificent views on a mostly point-to-point style course along the famous Oregon Dunes, magnificent forested single track trails and remote ocean beaches.Runners travel through an assortment of ecological zones, including lush old growth coastal rainforest, vast open sand dunes, riverside estuaries, freshwater lakes, as well as a fascinating transition zone between the dunes and the ocean called the deflation plain, which teems with water-loving plants and animals, especially amphibians and migratory birds.