4.6
(8863)
16,375
runners
00:49
6.08km
180m
Running
Jog the moderate 3.8-mile Benjamin Trail Loop in Betasso Preserve, gaining 604 feet with scenic views and diverse forest terrain.
Last updated: February 26, 2026
Tips
Your route passes through a protected area
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Waypoints
Start point
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124 m
Highlight • Trail
Tip by
2.60 km
Highlight • Trail
Tip by
6.08 km
End point
Way Types & Surfaces
Way Types
5.96 km
121 m
Surfaces
5.96 km
121 m
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Elevation
Highest point (2,020 m)
Lowest point (1,880 m)
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Saturday 9 May
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7°C
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Max wind speed: 18.0 km/h
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This route was planned by komoot.
The Benjamin Trail Loop is located within Betasso Preserve, near Boulder, Colorado. Parking is available at the Betasso Preserve trailhead. You can find detailed directions and parking information on the Boulder County Parks & Open Space website.
Yes, dogs are generally allowed on trails within Betasso Preserve, including the Benjamin Trail Loop. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all trail users.
The Benjamin Trail Loop offers a rewarding experience throughout much of the year. Spring and fall provide pleasant temperatures and vibrant scenery. Summer mornings are also ideal before the heat sets in. Winter jogging is possible, but be prepared for potentially icy or snowy conditions.
No, there are typically no permits or entrance fees required to access Betasso Preserve or jog the Benjamin Trail Loop. It is open to the public for recreational use.
The Benjamin Trail Loop is rated as moderate in difficulty. While it's runnable, it includes subtle elevation gain and switchbacks that climb out of the valley, providing a good workout. Beginners should be prepared for some ascents and descents, but it's a rewarding challenge.
The Benjamin Trail Loop is approximately 6.1 kilometers (3.8 miles) long. For an average jogger, it typically takes around 50 minutes to complete the loop, depending on pace and fitness level.
The trail primarily features hard-packed dirt, making for a smooth running surface in many parts. However, joggers should be prepared for sections with exposed roots and rocks. It's a singletrack trail that winds through thick forest and is cut into the side of rock faces in some areas.
Joggers can enjoy amazing views as the trail climbs out of the valley, especially from the Benjamin Trail switchbacks. The route offers a forested experience with stately ponderosa pines and potential wildflowers. You'll also get views of the surrounding foothills, the backside of Green Mountain, and Sugarloaf Mountain to the west. The Fourmile Link Trail is another notable section.
Yes, the Benjamin Trail Loop is closed to mountain bikers on Wednesdays and Saturdays. These days are ideal for joggers seeking a quieter running experience. On other days, it's recommended to run against the direction of bike traffic for better visibility and safety.
Yes, the Benjamin Trail Loop is part of the larger Betasso Preserve Trail Network. It connects to the Canyon Loop via the Benjamin Trail Link, allowing for longer and more strenuous workout options. The route also passes through sections of the Fourmile Link Trail and the Loop Link Trail.
The forested environment of the Benjamin Trail Loop is home to abundant birdlife. You might spot species such as downy woodpeckers, mountain bluebirds, and Steller's jays. Keep an eye out for other local wildlife as well, especially during quieter times of day.