Spring Fling, (one-hundred-miler or eighty-seven-miler)

 Briefing at 8:00 AM, Sunday. 

 Front Range Community College/Harmony Library, 4700 S. Shields Street, 80526, southwestern parking area.

 Description: A southerly and clockwise (cw) loop on flat-to-rolling terrain in parts of southeastern Larimer, southwestern Weld, and northeastern Boulder, Counties.

 Intermediate-paced 100-miler with 3970-vertical-feet. 

 Route: … Boyd Lake Avenue, Loveland; ... Larimer County Road 9; ... Weld County 13; ... (break at convenience store, Mead); ... more southwestern Weld County roads; ... Sandstone Ranch, eastern Longmont; Saint Vrain Greenway path; southern Longmont; 95th Street; Niwot Road; 63rd Street; Nelson Road; Foothills Highway [U.S.36], north of Boulder; Hygiene Road; "The Mountain Fountain," Hygiene; ... Larimer County Road 23E; ... "Sedona Hills" area via Larimer County Road 12 and County Road 29; ... County Road 20 to western-Loveland; ... Harmony Library, Fort Collins. 

 Route Map: https://ridewithgps.com/routes/27560839

Or,

 Intermediate-paced 87-miler with 2860-vertical-feet. 

 Route: … Boyd Lake Avenue, Loveland; ... Larimer County Road 9; ... Weld County 13; ... (break at convenience store, Mead); ... southwestern Weld County roads; ... Sandstone Ranch, eastern Longmont; Saint Vrain Greenway path; southern Longmont; 95th Street; Niwot Road; 73rd Street; ... "The Mountain Fountain," Hygiene; ... Larimer County Road 23E; ... Larimer County Road 21; ... western-Loveland; ... Harmony Library, Fort Collins. 

 Route Map: https://ridewithgps.com/routes/30068543