Bring Fido out and join in a 5K, 10K or half marathon! Get ready for
some fun in the sun and a great spring season test of your training.
Centrally located between Denver and Boulder, the route features
breathtaking views of Standley Lake and Big Dry Creek Trail, and the
10K and half marathon feature long stretches of soft surface, perfect
for dogs.
sports
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10/07/2025 Last update