All-Out Dog Days

Get pumped for the thrill of race day with our 12th Annual Dog Days 5K, 10K & Half Marathon! Feel the rush as you test your mid-season progress in the heart of the summer, weaving your way through the stunning Big Dry Creek Trail. You'll have the majestic Flatirons towering over you, providing the perfect scenic motivator to push your boundaries. Whether you're in Denver, Boulder, or anywhere in between, you're invited to join us for an unforgettable experience where the beauty of Colorado comes alive with every stride. Remember, this is more than just a race—it's a celebration of community, endurance, and the great outdoors!