Running in Denver
Denver is a top-tier running city thanks to its high altitude, extensive trail system, and over 300 days of sunshine per year. The Cherry Creek Trail and Platte River Trail create a connected network of flat, paved paths through the city. The altitude at 5,280 feet provides a natural training advantage, and many elite runners choose to base themselves here. With the Rocky Mountains as a backdrop, every run in Denver feels special.
Best Seasons
Spring, Summer, and Fall
Terrain
Denver is mostly flat along its trail system, with the foothills offering challenging climbs just 30 minutes west
Top Race
Colfax Marathon
Country
US
Climate and Weather
Denver has a semi-arid climate with over 300 days of sunshine per year. Summers are warm and dry with temperatures in the 80s and 90s. Winters bring cold snaps and occasional snow, but sunny days between storms are common with temperatures in the 40s and 50s. The altitude means the sun feels intense, and dehydration happens faster than at sea level.
Terrain and Landscape
Denver is mostly flat along its trail system, with the foothills offering challenging climbs just 30 minutes west. The Cherry Creek Trail and Platte River Trail are paved and flat. Parks offer gentle terrain. Heading into the foothills and mountains provides steep, technical trails at higher elevations.
Top Running Routes
Cherry Creek Trail
12 milesEasyA paved path running from downtown Denver through Cherry Creek State Park. The trail is flat, well-maintained, and connects to other trails in the metro network. Popular for long runs and commuter running.
Platte River Trail
15+ milesEasyA major paved trail following the South Platte River through Denver. It connects Chatfield Reservoir to downtown and continues north toward Brighton. Flat with some shade, it is a backbone of the city's trail system.
Washington Park Loop
2.5 milesEasyA paved loop through one of Denver's most popular parks. The path circles two lakes and is a favorite for easy runs, speed workouts, and social runs. Well-maintained and busy at all hours.
City Park Loop
2.6 milesEasyA flat loop around City Park with views of the Denver Museum of Nature and Science and the downtown skyline. The path is wide and paved, with mountain views on clear days. A solid option for north Denver runners.
Red Rocks Trail
6 milesChallengingTrail running through the iconic red sandstone formations near Red Rocks Amphitheatre. The trails involve significant elevation change and technical terrain. The scenery is dramatic and unlike anything else near a major city.
Popular Races
Colfax Marathon
Denver's premier marathon running along historic Colfax Avenue and through City Park. The course is relatively flat for a mile-high marathon and draws a strong local crowd.
BolderBOULDER 10K
One of the largest 10K races in the world, held in nearby Boulder. Over 50,000 participants run through the streets of Boulder, finishing in Folsom Field at the University of Colorado.
Denver Turkey Trot
A Thanksgiving Day tradition through Washington Park. Thousands of runners participate in this family-friendly holiday race that has been running for decades.
Run the Rocks
A unique race through Red Rocks Park and Amphitheatre. The course features challenging terrain and stunning scenery through the red sandstone formations.
Running Culture
Denver has one of the most active running communities in the country. The city is a hub for elite distance runners who train at altitude, and clubs like the Denver Track Club, Colorado Running Company groups, and Runners Roost crews offer runs for all levels. The BolderBOULDER 10K in nearby Boulder is a world-famous event. Trail running and ultramarathon culture are deeply embedded in the Colorado running scene.
Local Runner Tips
Hydrate more than you normally would because altitude and dry air cause faster dehydration
Give yourself a few days to adjust to the altitude if visiting from sea level
Washington Park is the social hub of Denver running on weekend mornings
Join the Denver Track Club or the Runners Roost group runs for community
Safety Tips
Drink extra water to compensate for altitude and dry conditions
Wear sunscreen and sunglasses since UV exposure is stronger at altitude
Watch for afternoon thunderstorms in summer, especially on mountain trails
Be aware of icy patches on trails and paths in winter months
Start mountain trail runs early to avoid afternoon lightning storms
Make Running in Denver a Game
Denver's grid of neighborhoods and extensive trail system make it a perfect Motera city. Capture territory along the Cherry Creek and Platte River corridors, claim parks like Washington Park and City Park, and push into the foothills for bonus territory. The altitude gives Denver runners a natural edge on the leaderboard.
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Frequently Asked Questions
What is the best running route in Denver?
The Cherry Creek Trail is the most popular at 12 miles of flat, paved path through the city. Washington Park Loop is the best short option at 2.5 miles. For adventure, the Red Rocks trails offer dramatic scenery.
Does altitude affect running in Denver?
Yes, Denver sits at 5,280 feet and the thinner air makes running harder, especially for visitors. Allow a few days to acclimate, start slower than usual, and hydrate aggressively. The altitude provides excellent fitness benefits over time.
What running clubs are in Denver?
The Denver Track Club is the largest, with group runs and races throughout the year. Runners Roost and Colorado Running Company stores host weekly runs. November Project Denver offers free outdoor workouts.
When is the best time to run in Denver?
Spring through fall offers the best conditions, with sunny skies and comfortable temperatures. Winter running is possible between snow events, and many days are sunny and dry even in January and February.
Is there good trail running near Denver?
Excellent trail running is accessible within 30 minutes of downtown. Red Rocks, North Table Mountain, and the trails above Golden offer close options. Boulder and the Rocky Mountain foothills provide world-class trail running a short drive away.
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