All-Out Dog Days

All-Out Dog Days

All-Out Dog Days is the 15th annual running event held on July 10, 2027, in Westminster, Colorado at 10170 Church Ranch Way. The event uses the concrete-paved Big Dry Creek Trail, which winds northeast and provides scenic views of the Front Range.

Courses are out-and-back with specific turnaround points: the half marathon at mile 6.55, the 10K at mile 3.1, and the 5K at mile 1.55. The trail has a generous amount of soft surface along the 10K and half marathon routes, noted as suitable for dog runners. Aid and restroom support varies by distance: the half marathon includes ten aid stations and four restroom stops; the 10K includes four aid stations and two restroom stops; the 5K includes a single aid station/toilet near its turnaround.

Each distance includes a separate dog division. The first three finishing dogs in each division receive a medal, award, and prize. Dog registration takes place the morning of the event. A dog-themed costume contest is held as part of the event activities.

Virtual options are offered for the half marathon, 10K, and 5K. Virtual participants receive event swag including a finisher medal shipped the week after the event, remain eligible for series finisher awards and alumni brag tags, and receive modified placement and distance credit toward the Run Amok Championship.

Distances: Visit the organization's website for the most recent information.

• Half Marathon : 13.1 Miles
• 10K
• 5K
• Virtual Half Marathon : 13.1 Miles
• Virtual 10K
• Virtual 5K

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