Briefing at 10 AM, Saturday.

 Harmony Library, 4700 S. Shields Street, 80526, southwest parking lot.  

 B-paced 51-miler with 2300-vertical-feet:  A north-northwesterly (NNW) basic out-and-back via "Forks," Livermore.

B Route Map: https://ridewithgps.com/routes/34873271; or,

 C-paced 27-miler with 1100-vertical-feet: A north-northwesterly (NNW) out-and-back via Howling Cow Café.

C Route Map: https://ridewithgps.com/routes/35991009.