178 Cardiff via Manchester Back Coast Hwy. 31 miles, 2444 ft el, 79 ft/mi

0.0 R Via Vera Cruz
0.4 R Discovery
1.0 R Discovery
1.2 L San Pablo
1.3 R San Pablo
1.7 R San Marino
2.1 R Lake San Marcos
2.3 L Rancho Santa Fe
7.3 L Rancho Santa Fe
9.9 = Manchester -
Regroup Harvest Market
11.5 L Manchester
13.3 L San Elijo
14.0 L Chesterfield
14.0 R Coast Hwy 101
17.7 R Leucadia
18.8 L Quail Gardens
19.9 = Quail Hollow
20.3 R Saxony
21.1 R La Costa
22.3 L El Camino Real
24.0 R Poinsettia
26.1 L Melrose
26.9 R Palomar Airport
27.9 = San Marcos
29.5 R Discovery
29.8 L Discovery
30.5 L Via Vera Cruz
30.9 L OCRR

Stayys on arterials (Rancho Santa Fe Rd, Manchester, Coast Hwy), which are flatter.
A short loop that covers a lot of Encinitas.