2026 312 River Run 5K

Race Information

Run, walk or stroll through Clark, California and Horner Parks along the scenic 312 RiverRun trail. This gem of a 5K course is mostly flat with just one gentle incline - and you will never have to cross any streets! Open to serious runners and casual participants, this race is the perfect way to spend a summer day in our community with friends and family.

Destination Run Pick of the Month - La Jolla Half Marathon, 10K and 5K

Get ready for San Diego’s most picturesque and beautiful point-to-point races - La Jolla Half Marathon, 10K and 5k, taking place on May 16, 2026.

Use code RGCC18 to SAVE 18% on your race entry!

Whether you choose the Half Marathon, 10K or the 5K, the course gives you the best of Southern California: sweeping ocean views, cliffs that make you look twice, and that iconic stretch through Torrey Pines where the landscape opens up and reminds you why you love to run.

The finish line isn’t just a destination; it’s a celebration! Enjoy the vibrant festival atmosphere filled with music, delicious food, and vendors showcasing the latest running gear. Relax with complimentary recovery options like massages, cold plunges, TENS units, and massage chairs.

Every runner gets a finisher’s medal, race shirt, tote bag, food bag, and free race photos, so you can keep every smile, stride, and moment of victory.

Discover what makes running in San Diego truly special—register today!

Get Event Info