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Routes
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United States
Colorado
Boulder County
Eldorado Springs

Marshall Mesa Trail Run loop — Boulder Open Space and Mountain Parks

Routes
Running trails & routes
United States
Colorado
Boulder County
Eldorado Springs

Marshall Mesa Trail Run loop — Boulder Open Space and Mountain Parks

Expert

3.0

(1)

76

runners

Marshall Mesa Trail Run loop — Boulder Open Space and Mountain Parks

02:35

24.4km

280m

Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: September 11, 2024

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Waypoints

A

Start point

Parking

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1

1.60 km

Greenbelt Plateau Trail

Highlight (Segment) • Trail

The Greenbelt Plateau Trailhead provides access to the Greenbelt Plateau and High Plains Trails, with a connector to the Flatirons Vista area via Highway 93. The area closes when muddy, …

Tip by

2

18.6 km

Mayhoffer Trail

Highlight (Segment) • Trail

A gently winding, close to nature trail with amazing views of the mountains. The area is the perfect fit for a three hours run in open grasslands.

Tip by

B

24.4 km

End point

Parking

Way Types & Surfaces

Way Types

24.0 km

321 m

< 100 m

Surfaces

15.0 km

9.21 km

< 100 m

< 100 m

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Elevation

Elevation

Highest point (1,810 m)

Lowest point (1,680 m)

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Weather

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Today

Saturday 25 October

21°C

7°C

0 %

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How to understand each route’s difficulty level

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Expert
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How to understand each route’s difficulty level

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Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
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Intermediate
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Expert
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How to understand each route’s difficulty level

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Mountain Bike

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Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
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Expert
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Easy
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Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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How to understand each route’s difficulty level

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How to understand each route’s difficulty level

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Road Bike

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Road Bike

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Intermediate
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How to understand each route’s difficulty level

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Bike

Mountain Bike

Road Bike

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How to understand each route’s difficulty level

Hiking

Bike

Mountain Bike

Road Bike

Running

Easy
Up to 2 hours and 1,000 ft. of elevation gain. Great for any fitness level.Easily-accessible paths. Suitable for all skill levels.
Corresponds approx.to SAC 1.
Intermediate
Up to 5 hours and 3,000 ft. of elevation gain. Requires good fitness.Mostly accessible paths. Sure-footedness required.
Corresponds approx. to SAC 2-3.
Expert
More than 5 hours long or 3000 ft. of elevation gain. Requires very good fitness.Sure-footedness, sturdy shoes and alpine experience required.
Corresponds approx. to SAC 4–6.
Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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Mountain Bike

Road Bike

Running

Easy
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Intermediate
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Corresponds approx. to SAC 2-3.
Expert
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Technical difficulty rating based on the Swiss Alpine Club (SAC) Hiking Scale.
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