Driving to San Diego today to drop the rental car off and ride towards Tecate for official trip start.
Spot tracker link:
Ride recap: 32 miles from Chula Vista to the official map route start at Tecate / Potrero, through dry and rocky canyons around Campo, then relentless climbing to 6000 feet at Laguna Mountain. Downhill to the edge of Anza Borrego desert, more climbing then a final descent to Julien. 85 miles and over 8000 ft vertical.