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Boulder, Colorado

Looking for the best running in Boulder? We've got you covered with the top trails, trips, hiking, backpacking, camping and more around Boulder. The detailed guides, photos, and reviews are all submitted by the Outbound community.

Top Running Spots in and near Boulder

  • Fort Collins, Colorado

    Hike Arthur's Rock in Lory State Park

    4.8
    3.7 mi / 1150 ft gain
    The climb to the summit of Arthur's Rock in Lory State Park provides relative isolation and solitude just 30 minutes from downtown Fort Collins along with great hiking, trail running, mountain biking, rock climbing, and horseback riding.Arthur's Rock Trail is the most direct route to the summit, ...
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  • Fort Collins, Colorado

    Horsetooth Reservoir North Foothills Trail

    2.64 mi / 295 ft gain
    Horsetooth Reservoir North Foothills Trail is a loop trail that takes you by a waterfall located near Fort Collins, Colorado.
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  • Parshall, Colorado

    Ski or Snowshoe Jones Pass

    4.0
    6 mi / 1600 ft gain
    Its sister trail, Butler Gulch, is an all-time favorite hike (both summer and winter), and since they share a trailhead, I knew Jones Pass would be special as well.Jones Pass is not the type of trail I normally take, since it is actually a 4x4 road that is used for Jeeping in the summer and snowm...
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  • Parshall, Colorado

    Butler Gulch

    4.5
    5.26 mi / 2008 ft gain
    Butler Gulch is a pristinely beautiful day hike in the heart of the Arapaho National Forest near Idaho Springs, Colorado. Easily accessible from Denver, Butler Gulch is full of jaw-dropping views in all seasons, and anyone in good health can enjoy this gem. The hike is five miles long and rated ...
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  • Silver Plume, Colorado

    Grays and Torreys Peaks

    4.3
    7.97 mi / 3458 ft gain
    At about an hour's drive from Denver, Grays Peak (14,270 ft./4338m) and its sister mountain, Torreys Peak (14,267 ft./4337m), are two of the most popular 14ers in the state. Because of this, a wealth of information is available on the internet. Rather than go into all the details of the technical...
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  • Dillon, Colorado

    Silver Dollar Lake Trail

    5.0
    3.93 mi / 945 ft gain
    Guanella Pass, which connects the charming and historic town of Georgetown in the north to the blink-and-you’ll-miss-it Grant to the south, is a recreational outdoorsman’s dream. Volumes could be written on what this 22-mile scenic byway has to offer. Silver Dollar Lake Trail is just one tiny po...
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  • Fort Collins, Colorado

    Hike the North Loop via Foothills Trail

    5.0
    6.5 mi / 700 ft gain
    Despite its singular name, the Foothills Trail in Fort Collins is an interconnected series of trails that follows the ridges and hogsbacks which comprise the majority of the eastern side of the Horsetooth Reservoir. The trail can be accessed at several points along its length (by trails also call...
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  • Fort Collins, Colorado

    Fat Tire Bike the Foothills Trail

    5.0
    8.5 mi / 1000 ft gain
    The Reservoir Ridge and Foothills trail system around Horsetooth Reservoir and Fort Collins is excellent for mountain biking, trail running, and hiking. During the winter it is particularly great for fat tire mountain biking, and the Foothills Trail is one of the best. The trail itself is roughly...
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  • Dillon, Colorado

    Snowshoe or Ski Watrous Gulch

    4.0
    4 mi / 1200 ft gain
    Despite sharing a trailhead with the popular Herman Gulch, I had not heard of Watrous Gulch until I stumbled across it while researching something else. Knowing that Herman Gulch is filled with spectacular views and deep snow ideal for snowshoeing/skiing, I had to discover if the smaller, lesser-...
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  • Dillon, Colorado

    Wildflowers, Lakes, and Peaks, Oh My!

    5.0
    Herman Gulch is one of those special places that makes you fall in love with Colorado all over again. This spectacular wildflower hike that ends at an alpine lake will have your head swiveling from start to finish. Wildflower season is July and August, with peak season being mid-to-late July. Ple...
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  • Littleton, Colorado

    Hike the Eagle's View Trail

    4.3
    4.3 mi / 900 ft gain
    Reynolds Park is part of the Jefferson County Open Space system. Located a few miles south of Conifer, off Hwy 285 on S. Foxton Road, it is a foothills park geared for families, groups, and the casual hiker. The network of trails on the west side of the road offers hikers and equestrians anything...
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  • Fort Collins, Colorado

    North Shield Pond Trail

    3.0
    1.54 mi / 43 ft gain
    North Shield Pond Trail is a loop trail where you may see beautiful wildflowers located near Fort Collins, Colorado.
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  • Dillon, Colorado

    Hike Grizzly Peak at Loveland Pass

    5.0
    6 mi / 2900 ft gain
    While a typical Colorado hike may be an ascent to your destination followed by a descent back to your car, the hike to Grizzly Peak at Loveland Pass (Grizzly Peak "D") breaks that mold. At 13,427 feet, Grizzly Peak stands in the path to Torreys Peak’s west face (14,267’). Even though it is only ~...
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  • Littleton, Colorado

    Hike to Carpenter Peak

    4.5
    6.2 mi / 1171 ft gain
    Carpenter Peak stands at 7,166 feet above sea level. While that altitude might not exactly take your breath away, the views from the top certainly will. Starting at the Visitor's Center, the trail to Carpenter's Peak begins as a relatively flat, well-traveled trail. A little less than a mile into...
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  • Littleton, Colorado

    Walk the Willow Creek Loop

    1.4 mi
    Roxborough State Park is located on the outskirts of Littleton, Colorado. Boasting incredible red rock formations and abundant wildlife, it is the perfect place for a quick escape outside.The Willow Creek Loop connects to the two parking lots in the park, so it is impossible to miss. With only th...
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  • Bellvue, Colorado

    Trail Run the Hewlett Gulch Trail

    5.0
    8.5 mi / 800 ft gain
    Hewlett Gulch Trailhead is located about 20 minutes from Fort Collins and offers easy hiking in the Poudre Canyon.From Fort Collins, take 287 to Ted's Place. Take a left onto CO 14 and follow 14 through the canyon just past Poudre Park where you see the trailhead sign. Turn left onto the road tha...
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