Niwot Loop — Nelson Road
Flat-to-rolling loop through the agricultural lands east of Boulder. Nelson Road to Niwot Road to 75th Street and back. Perfect for Coggan Zone 3 tempo intervals on the straightaways. Chinook winds (warm, dry downslope gusts off the Rockies) can hit 40+ mph from the northwest — common October through April. Plan your route direction accordingly or embrace the free speed on the way out.
Distance
45.0 km
Elevation Gain
180 m
Elevation Loss
180 m
Est. Time
2h 30min
Elevation Profile
Photos
Niwot Loop — Nelson Road
Boulder Velo Club
Distance
45.0 km
Elevation Gain
180 m
Est. Time
2h 30min
Grade
0.4%
Flat-to-rolling loop through the agricultural lands east of Boulder. Nelson Road to Niwot Road to 75th Street and back. Perfect for Coggan Zone 3 tempo intervals on the straightaways. Chinook winds (warm, dry downslope gusts off the Rockies) can hit 40+ mph from the northwest — common October through April. Plan your route direction accordingly or embrace the free speed on the way out.