Race Discovery
San Lorenzo River Trail Run
San Lorenzo River Trail Run logo

San Lorenzo River Trail Run

Santa Cruz, California, United States
Jul 11, 2026
Trail running

About this race

Run through 300 foot tall, 1500 year-old Coastal Redwoods, lush stream canyons, open meadows, pine and oak forests, and high dry chaparral-covered ridges. The Half Marathon, 30K, Marathon, and 50K events cross the San Lorenzo River (shown above) multiple times!  (Distances are accurately measured using a Rolatape® surveyor's measuring wheel.)

Pick your distance

Trail running

10K

Jul 11, 2026 10.1K 8:15 AM
$80.00
Closed

Half Marathon

Jul 11, 2026 Half-Marathon 8:00 AM
$90.00
Closed

30K

Jul 11, 2026 30K 8:00 AM
$95.00
Closed

Marathon

Jul 11, 2026 Marathon 8:00 AM
$100.00
Closed

50K

Jul 11, 2026 Ultra 8:00 AM
$110.00
Closed

Running

Kid's Run (6yo & younger, 1/4 mi) - Free!

Kids 6 yo & younger

Jul 11, 2026 0.4K 7:50 AM
Free
Closed

Coastal Testing

Jul 11, 2026 3.2K 8:45 AM
Free
Closed

Typical race-day weather

Based on 10 years of historical conditions on this event's race dates in Santa Cruz.

Temp (°C)
Minimum temperature (race-day average) 13.6° / Maximum temperature (race-day average) 24.1°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-day average) 13.6° / Maximum feels like — heat index / wind chill (race-day average) 24.1°
Wind (km/h)
Average wind speed (race-day average)
12.0
Precip (mm)
Average precipitation (race-day average)
0.1mm
Humidity
Average relative humidity (race-day average)
75.2%

About Santa Cruz

San Lorenzo River Trail Run takes place in Santa Cruz, California, United States. The local timezone is America/Los_Angeles.

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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.

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