San Lorenzo River Trail Run
Race Day Weather
Cool start, moderate finish
Runners will face a temperature increase from 60°F at the start to 67°F by the finish, with average humidity at 72% and dew point at 56°F. Wind will be light from the W, not significantly impacting performance. To mitigate the heat and humidity, pacing adjustments are recommended, especially in the later stages of the race.
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Race Info
The San Lorenzo River Trail Run is an annual trail race in Santa Cruz, California, organized by Coastal Trail Runs. Held each July, it starts and finishes at Harvey West Park and offers 10K, Half Marathon, 30K, Marathon, and 50K distances, with the marathon run as two half-marathon loops. The course crosses the San Lorenzo River multiple times and passes through coastal redwood forest, stream canyons, and chaparral ridges toward Henry Cowell Redwoods State Park. Source
