391 RSF via Del Dios Back 101. 37 miles

0.0 R Hidden Valley
0.5 R Caminito de las Ondas
0.6 L Seascape
0.9 L Buttercup
1.0 R Batiquitos
3.4 R Hummingbird
3.7 L Sanderling
3.8 R Mimosa
3.8 L Geranium
4.0 R Columbine
4.1 L Arenal
4.2 R El Camino
5.3 L Levante
7.5 R La Costa
7.6 L Rancho Santa Fe
9.4 R San Elijo
13.2 = Twin Oaks 1257
14.9 L Craven
16.0 L Discovery
16.3 R Via Vera Cruz
16.9 L Linda Vista
18.1 L Linda Vista
19.1 R Poinsettia
20.0 L La Mirada
20.7 L Sycamore
21.7 L Melrose
22.2 R Faraday
23.6 R Orion
23.8 L Impala
24.0 R Palmer
24.3 R El Camino Real
26.5 L Kelly
26.9 R Park
Restroom in park
28.0 L Adams
28.9 L Cinquapin
29.2 R Jefferson
29.4 L Tamarack
29.8 L Coast Hwy 101
31.1 L Cannon
32.8 R Faraday
34.8 R College
36.0 L Palomar Airport
36.3 L Hidden Valley
36.7 L Poinsettia Park

Note: The map shows the start as 24-Hr Fitness, which is really at Palomar Airport & Alga. This route starts 0.6 miles away at Poinsettia Park - Hidden Valley Rd at Plum Tree Rd