North Orem Bonneville Shoreline Trailhead, Orem, UT. Description The Cascadia Trail Series is built for the beginner (or non) trail runner to expert. The courses are set up shorter and easier while getting longer and harder throughout the year, to help you learn to trail run better! Timp Shadow is the 1st of 4 throughout the year. Run 1, 2 or all of them! Please go like us on Facebook for pictures, results, contests, and updated info. www.cascadiatrailseries.com