Are you looking for a race to do on Memorial Day? You might consider Miles on Memorial in Alton Baker Park in Eugene, Oregon. The 5K runs all through the park and along the Willamette River. The 10K is a double loop of the same 5K and the 15k is 3 loops. The 3-person 15K relay will consist of 3 loops of the 5K course, with team members handing off after each 5K loop. Awards…