Some healthy northern Colorado residents took to the streets in the 2019 Boston Marathon on Monday, where early rainy conditions overshadowed the beginning of the famous race.
Denver streets will be clogged Sunday with 12,000 runners, walkers, and spectators for the Rock 'n' Roll Denver Marathon, including Arapahoe St, Auraria Pkwy, Speer Blvd, Wazee St, and others.
A majority of road closures and detours will begin at 6:15 a...