The Salt Flats Endurance Run in an ultramarathon that allows dogs in all distances, including the 50K, 50 miler and 100 miler. You can register your dog to run the entire race and they will essentially be treated as a human runner.
This course is all on dirt roads along the historic Pony Express. Crews are required. Choose from a 100 mile out and back or the 50 miler. You are welcome to have your dog run with you.