Pedal AI

Best century rides in Longmont, CO

Feeling ambitious? These are 100-mile centuries from Longmont — kept flat and paved so it's the distance, not the climbing, that makes the day. Not exactly casual, but a heck of a ride.

‹ Back to casual rides in Longmont

Longmont century out & back ride — 104.69 mi

104.69 mi
Distance
421 min
Time
1953 ft
Climb
You're heading north on all-pavement roads for a solid 104-mile out-and-back with about 1,950 ft of climbing spread across the route. Expect moderate traffic exposure on the way out and back, but nothing severe, so you'll have reasonable road conditions for the distance. Pace yourself—this is a big day in the saddle.

Longmont century loop ride — 116.15 mi

116.15 mi
Distance
431 min
Time
2589 ft
Climb
You're looking at a solid 116-mile loop heading south on quiet roads, nearly all pavement with about 2,600 ft of climbing spread across the day. Minimal traffic—mostly side streets and low-volume routes—so you can settle into a steady rhythm without worrying about cars. Plan for a long day in the saddle, around 7+ hours of riding.
Plan a custom ride from your door — free
More cities: Pedal AI route guides