The Nitty Gritty is a trail marathon & half marathon that allows dogs both on and off leash. It is on a 4.3-mile looped single track course on Red Lodge Mountain.

The Magnuson Series Summer Spirit race is dog friendly. Choose from a 5K, 10K or 15K. There is also a kids' dash. Dogs must be kept on a leash and near you at all times. The trail is open to the public.

This is a trail run for your dog that can even be done off leash if you choose! Choose from the 2-mile, 5-mile or half marathon distance. The race is on trails and dirt roads.

Mutt Strut Lake Humane Society - Run That Mutt Dog Friendly Races in Ohio- The Mutt Strut Festival Includes a 1-mile Dog Walk!

The Good Dog - Dirty Dog 5K and 10K race is at 8 a.m. on Sunday Aug. 28, 2022. It takes place at Folsom Lake. There are awards for various dog divisions by size as well as a canicross division. You can also run without a dog, if you prefer.

Race to the Top of Vermont if a 4.3-mile run, bike or hike up Vermont's highest mountain. Leashed dogs are allowed in the hiking division.

The Chugwater K9 Classic in Wyoming features a dog friendly half marathon, 10K and 5K.

Run for the Fallen welcomes dogs in the 10K, 5K and 1-mile firefighter challenge. The event honors rescue workers who were deployed to Ground Zero on September 11, including the dogs trained for search and rescue, police work or therapy.

Run along the along the shores of Circle Lake in Rice County, MN. Located 20 minutes south of Burnsville, MN. Dogs are welcome!

Dog Dash Discover 5K in Brookfield, WI, benefits the Elmbrook Humane Society. You are welcome to run or walk with your dog at any pace. If you don't have a dog, visit with the adoptable dogs at the event when you finish.

This is a timed 5K run/walk that you can do with or without a dog. It is on a cross country course over fields and through woods. Humans get a shirt and dogs get a medal.

The Two Rivers Fujor Dryland Races welcomes all experience levels and breeds of dogs to participate in its 5K canicross event. There is also a 10K bikejor race and a 3K canicross relay.