The best cycling routes in Boulder

The best 20 km rides in Boulder

Each start's best ride of 20 km, numbered best first. Pick a number for its ride.

From Broadway & 27th Way

Ranked first of 3 rides of this length in Boulder.

21.5 km about 1 h 05 298 m up 18% through nature

Starts at Broadway & 27th Way bus stop.

How it compares with the median ride in Boulder

Through nature 18%median 22%

Quiet streets 82%median 73%

Climbing 46%median 21%

Longest nature stretch 1.0 km

Away from traffic 98%median 87%

Views 9%median 0%

Opens in the app ready to start.

From Yarmouth Ave & 15th St

Ranked second of 3 rides of this length in Boulder.

20.6 km about 1 h 02 252 m up 17% through nature

Starts at Yarmouth Ave & 15th St bus stop.

How it compares with the median ride in Boulder

Through nature 17%median 22%

Quiet streets 96%median 73%

Climbing 41%median 21%

Longest nature stretch 1.2 km

Away from traffic 98%median 87%

Views 9%median 0%

Opens in the app ready to start.

From 63rd Street & Lookout Road

Ranked third of 3 rides of this length in Boulder.

21.9 km about 1 h 06 111 m up 33% through nature

Starts 392 m from 63rd Street & Lookout Road bus stop.

How it compares with the median ride in Boulder

Through nature 33%median 22%

Quiet streets 83%median 73%

Climbing 17%median 21%

Longest nature stretch 2.2 km

Away from traffic 79%median 87%

Opens in the app ready to start.