The Race Radar

San Lorenzo River Trail Run

Santa Cruz, California
San Lorenzo River Trail Run official race logo - running event in Santa Cruz, California
DATE:
TIME:
LOCATION:
Santa Cruz, California
DISTANCES:
7 Events: 0.25 Miles, 26.2 Miles, 50K, 30K, 13.1 Miles, 6.3 Miles, 2 Miles

About San Lorenzo River Trail Run

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!Ā 
(Distances are accurately measured using a RolatapeĀ® surveyor's measuring wheel.)
San Lorenzo River Trail RunRun 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!Ā  (Distances are accurately measured using a RolatapeĀ® surveyor's measuring wheel.)
Santa Cruz, CA

Race Events & Distances

Choose from 7 race distances available for San Lorenzo River Trail Run in Santa Cruz, CA. Registration includes timing, finisher medals, and post-race refreshments.

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

0.25 Miles
Distance
0.25 Miles
Start Time
https://schema.org/EventScheduledhttps://schema.org/OfflineEventAttendanceMode
Santa Cruz, CA
Santa CruzCA
San Lorenzo River Trail Run Organizers

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

How long is the Kid's Run (6yo & younger, 1/4 mi) - Free!?
The Kid's Run (6yo & younger, 1/4 mi) - Free! covers 0.25 Miles.
What time does the Kid's Run (6yo & younger, 1/4 mi) - Free! start?
The Kid's Run (6yo & younger, 1/4 mi) - Free! starts at 7:50:00 AM.
Where is the Kid's Run (6yo & younger, 1/4 mi) - Free! located?
The Kid's Run (6yo & younger, 1/4 mi) - Free! takes place in Santa Cruz, CA.

Marathon

26.2 Miles
Distance
26.2 Miles
Start Time
https://schema.org/EventScheduledhttps://schema.org/OfflineEventAttendanceMode
Santa Cruz, CA
Santa CruzCA
San Lorenzo River Trail Run Organizers

Frequently Asked Questions about Marathon

How long is the Marathon?
The Marathon covers 26.2 Miles.
What time does the Marathon start?
The Marathon starts at 8:00:00 AM.
Where is the Marathon located?
The Marathon takes place in Santa Cruz, CA.

50K

50K
Distance
50K
Start Time
https://schema.org/EventScheduledhttps://schema.org/OfflineEventAttendanceMode
Santa Cruz, CA
Santa CruzCA
San Lorenzo River Trail Run Organizers

Frequently Asked Questions about 50K

How long is the 50K?
The 50K covers 50K.
What time does the 50K start?
The 50K starts at 8:00:00 AM.
Where is the 50K located?
The 50K takes place in Santa Cruz, CA.

30K

30K
Distance
30K
Start Time
https://schema.org/EventScheduledhttps://schema.org/OfflineEventAttendanceMode
Santa Cruz, CA
Santa CruzCA
San Lorenzo River Trail Run Organizers

Frequently Asked Questions about 30K

How long is the 30K?
The 30K covers 30K.
What time does the 30K start?
The 30K starts at 8:00:00 AM.
Where is the 30K located?
The 30K takes place in Santa Cruz, CA.

Half Marathon

13.1 Miles
Distance
13.1 Miles
Start Time
https://schema.org/EventScheduledhttps://schema.org/OfflineEventAttendanceMode
Santa Cruz, CA
Santa CruzCA
San Lorenzo River Trail Run Organizers

Frequently Asked Questions about Half Marathon

How long is the Half Marathon?
The Half Marathon covers 13.1 Miles.
What time does the Half Marathon start?
The Half Marathon starts at 8:00:00 AM.
Where is the Half Marathon located?
The Half Marathon takes place in Santa Cruz, CA.

10K

6.3 Miles
Distance
6.3 Miles
Start Time
https://schema.org/EventScheduledhttps://schema.org/OfflineEventAttendanceMode
Santa Cruz, CA
Santa CruzCA
San Lorenzo River Trail Run Organizers

Frequently Asked Questions about 10K

How long is the 10K?
The 10K covers 6.3 Miles.
What time does the 10K start?
The 10K starts at 8:15:00 AM.
Where is the 10K located?
The 10K takes place in Santa Cruz, CA.

Coastal Testing

2 Miles
Distance
2 Miles
Start Time
https://schema.org/EventScheduledhttps://schema.org/OfflineEventAttendanceMode
Santa Cruz, CA
Santa CruzCA
San Lorenzo River Trail Run Organizers

Frequently Asked Questions about Coastal Testing

How long is the Coastal Testing?
The Coastal Testing covers 2 Miles.
What time does the Coastal Testing start?
The Coastal Testing starts at 8:45:00 AM.
Where is the Coastal Testing located?
The Coastal Testing takes place in Santa Cruz, CA.

Registration Information

Registration is typically available online until race day (subject to capacity). Early registration is recommended for guaranteed entry and potential early bird pricing. Check with race organizers for specific event details and included amenities.

Related:More races in CA

Races Nearby in Santa Cruz, California

Tri Santa Cruz

Santa Cruz, CA

August 10, 2025

Santa Cruz Track Club Cross Country Challenge

Santa Cruz, CA

August 24, 2025

PLAYTRI - IRONMAN 70.3 SANTA CRUZ

Santa Cruz, CA

September 5, 2025

Race The Wave

Santa Cruz, CA

September 13, 2025

2025 Santa Cruz Sunrise Rotary Ride - 28th Annual!

Santa Cruz, CA

September 25, 2025

Santa Cruz Turkey Trot

Santa Cruz, CA

November 22, 2025

Boardwalk Fun Run

Santa Cruz, CA

March 28, 2026

Run by the Sea

Santa Cruz, CA

October 4, 2026