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United States
Colorado
Boulder County

N. 39th/41st Street (Gravel) loop from Lefthand Trailhead

Routes
Running trails & routes
United States
Colorado
Boulder County

N. 39th/41st Street (Gravel) loop from Lefthand Trailhead

Hard

4.8

(5850)

18,509

runners

N. 39th/41st Street (Gravel) loop from Lefthand Trailhead

02:17

21.6km

170m

Running

Hard 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: July 17, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Boulder Open Space and Mountain Parks

Waypoints

A

Start point

Parking

Get Directions
1

1.91 km

Oxford Road (Gravel between 41st and Ouray)

Highlight (Segment) • Cycleway

Oxford Road is a smooth gravel road that runs east to west with many popular gravel and pavement roads intersecting it. This particular stretch of road is also a part …

Tip by

2

12.1 km

N. 39th/41st Street (Gravel)

Highlight (Segment) • Cycleway

This scenic segment of smooth, well-graded gravel connects Oxford Road with Nelson Road. This is a great stretch of road with rolling hills and scenic views of the foothills and …

Tip by

3

17.3 km

This short gravel road is a nice way to connect Niwot Road to Oxford Road, where the Boulder Roubaix starts and ends, and other very popular gravel roads between Boulder …

Tip by

4

19.8 km

As Niwot turns into Neva Road, you get fantastic views of Haystack Mountain to the east, a small, but prominent hill that resembles a rounded haystack, and of the foothills …

Tip by

B

21.6 km

End point

Parking

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Way Types & Surfaces

Way Types

16.7 km

4.43 km

271 m

166 m

Surfaces

13.4 km

6.17 km

1.65 km

316 m

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Elevation

Elevation
Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (1,690 m)

Lowest point (1,600 m)

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Weather

Powered by Foreca

Today

Saturday 10 October

29°C

13°C

26 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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