Running in Boulder Open Space and Mountain Parks, Boulder

Running in Boulder Open Space and Mountain Parks

Boulder Open Space and Mountain Parks is a 20.4 km² protected area on Boulder's north side. Of the routes Remap built, 19 spend at least 30% of their length inside it. Pick how far you want to run.

Checked 24 October 2026

Terrain

16% park, 11% by water, 5% forest

Surface

51% unpaved

Climb

139 to 227 m up

Routes

19, 8.3 to 22.5 km

Getting there

Every route here starts from one of these stations.

19th St & Kalmia Ave Bus stop on the south edge. 2 routes start here, 8 to 137 m away.

19th St & Riverside Ave Bus stop on the south edge. 2 routes start here, 6 m away.

19th St & Upland Ave Bus stop on the south edge. 2 routes start here, 6 m away.

Yarmouth Ave & Broadway Bus stop on the south edge. 2 routes start here, 1 to 103 m away.

19th St & Joslin Ct Bus stop on the south edge. 1 route starts here, 296 m away.

19th St & Norwood Ave Bus stop on the south edge. 1 route starts here, 6 m away.

28th St & CO 119 Bus stop on the south edge. 1 route starts here, 30 m away.

28th St & Iris Ave Bus stop on the south edge. 1 route starts here, 12 m away.

28th St & Kalmia Ave Bus stop on the south edge. 1 route starts here, 36 m away.

Broadway & Elder Ave Bus stop on the south edge. 1 route starts here, 7 m away.

Broadway & Poplar Ave Bus stop on the south edge. 1 route starts here, 6 m away.

Broadway & Upland Ave Bus stop on the south edge. 1 route starts here, 14 m away.

Hwy 119 & 30th St Bus stop on the south edge. 1 route starts here, 14 m away.

The best run in Boulder Open Space and Mountain Parks, 7 to 12 km

From 19th St & Kalmia Ave

Ranked first of 5 running routes of this length in Boulder Open Space and Mountain Parks.

8.3 km about 50 min 227 m up 29% through nature 36% unpaved

Starts at 19th St & Kalmia Ave bus stop.

How it compares with the median run in Boulder

Through nature 29%median 22%

Quiet streets 95%median 76%

Starts near a station at the station

Longest nature stretch 1.2 km

Away from traffic 97%median 97%

Views 14%median 0%

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Opens in the app ready to start.

2 From 19th St & Upland Ave, 11 km11.1 km 139 m up 17% natureStarts at 19th St & Upland Ave bus stop 3 From 19th St & Upland Ave, 11 km11.1 km 139 m up 17% natureStarts at 19th St & Upland Ave bus stop

Running in Boulder Open Space and Mountain Parks

Getting there

The best run in Boulder Open Space and Mountain Parks, 7 to 12 km

Nearby places