Originally Posted by jschen

98 miles, 9500 vertical feet

There are two possible extensions for people who are much faster and don't want to wait around for the first group. Both extensions before pie.

Palomar Observatory detour: 9 miles, 1300 vertical feet (emphasis intentional)
Jillian detour: ??? (13 miles, 1500 vertical feet?)

Overall route profile for the basic route is something like this:

Start out climbing Palomar South Grade. 4200 vertical feet in a bit over 12 miles.
Descend Palomar East Grade.
Climb up to the Mesa Grande plateau. Steep, up to 15% at times, but doesn't go on too long.
(Also, this stretch is sheltered from the prevailing east wind, so on windy days, it's actually rather enjoyable.)
Rollers on Mesa Grande.
Descend into Santa Ysabel for pie.
Relatively easy digestive pace ride into Ramona.
Rollers through Highland Valley and Bandy Canyon Roads, with a decent downhill near the end.
Modest hill into Escondido. Piece of cake, but you may be tired by now.
Final 1000 vertical foot climb up Lake Wohlford Rd. Not a tough profile, but at a tough point in the ride.
Final descent back to the start.