Bike route 51 - Magee Park, Fairbanks Ranch & Elfin Forest - 43 miles.
 Start Magee Park, Carlsbad

0.0 S Coast Hwy 101
9.6 R Regroup Swami's
12.8 L Lomas Santa Fe
15.8 R El Camino Real
17.1 R Via de la Valle
17.2 L El Camino Real
17.8 L San Dieguito
21.0 L El Apajo
21.6 R Via de Santa Fe
22.7 R Via de la Valle
23.3 R Paseo Delicias
24.0 L El Montevideo
24.4 R Lago Lindo
25.2 L El Camino del Norte
28.0 R Rancho Santa Fe
29.6 L Olivenhain
30.6 R El Camino Real
38.3 L Kelly
38.7 R Park
39.8 L Adams
40.6 L Chinquapin
40.9 R Jefferson
41.1 L Tamarack
41.6 R Coast Hwy 101
42.7 L return to start