A 20-year legacy in Boulder County, the Canine Classic 5k run/walk for dogs and their guardians is one of MESA’s largest annual fundraisers. • A canine companion is optional but encouraged. • Registered participants can run or walk with others or on their own. Registration cost is $35, includes a Canine Classic t-shirt featuring original artwork by Heartstrings Card Company. The event is the week of April 23rd-30th.