American River Classic Equestrian Trail Ride is Scheduled for April 20, 2019. by admin | Sep 4, 2018 | ALL POSTS, Equestrians An Auburn, CA Endurance Capital of the World Signature Event!Ride the beautiful Pioneer Express Trail and Western States Trail!Head Veterinarian: Dr. Melissa Ribley, D.V.M.The American River Classic is a fun, traditional and exciting ride, with challenging and technical trails… learn more