Get across town and take Solomon to 135/1 highways to the VAFB (Space Force). Follow the road to the Main Gate. At This point the group can fuel up and take a break. Return is reverse of the route. One option is to take San Antonio West up and over Bishop Rd. Option 2 would be San Antonio East to 135 and back.
This route is about 34 miles and 1,500 ft of grinding it out climbing. Most riders will climb at the rate of 6-9 mile an hour. Take a look at the scenery while the grind is going.