Our course starts on the gravel road near Riverside Pavilion at Champoeg State Park. Both 5K and 10K are out and back courses and run on the paved bike path and road. The Half Marathon follows the 10K route and then repeats with an extended out and back on the bike path and Schuler Rd. Well marked course with great volunteers and aid stations featuring Gatorade Endurance (at Pump Station Aid Station). Independence Day 2019 Course Map.