Silver Falls Trail Runs Fri November 3 - Sun November 5 50K, Marathon, Half Marathon, 7 Miler and 5K Trail Runs at Silver Falls State Park. 5K, 10K, Half Marathon, Marathon, 50K Pacific Northwest : Trail Running Register Location Silverton, Oregon Silverton, OR 81433 United States + Google Map Organizer Run Wild Adventures Email info@runwildadventures.com View Organizer Website