806 Flat and fast half century. 51 Miles, 2580 ft el, 51 ft/mi.

0.0 R Alamosa Park Dr
0.0 L Rio Plata
0.1 R Robinwood
0.2 L Mesa
0.4 L N Santa Fe
0.9 = San Luis Rey trail
1.8 R Tyler
1.9 L Andrew Jackson
2.0 R San Luis Rey Trail
2.5 L exit to Colleg
2.5 R College
2.7 R N River
3.0 R N River
6.3 R Holly
6.6 R Kari
6.9 R old bridge trail
7.2 L Old River
9.7 R Camino del Rey
14.4 R Old Hwy 395
19.6 R Deer Springs
22.2 R Buena Creek
26.1 R Santa Fe
26.2 L Robelini
26.4 = Sycamore
29.0 L Melrose
29.4 R Faraday
33.9 L Cannon
35.7 R Coast Hwy 101
38.7 L Eaton
38.8 R Broadway
39.2 L Cassidy
39.3 R Pacific
41.7 R RR underpass to SLR trail
41.8 L San Luis Rey River Trail
49.4 L Andrew Jackson
49.5 R Tyler
49.6 L San Luis Rey River Trail
50.4 = Santa Fe
50.7 R Alamosa Park
51.3 Return to start