2027 Screen Your Gut - Save Your Butt 5K Challenge

Race Information

Join Screen Your Gut - Save Your Butt 5K Challenge in San Diego to raise awareness about colorectal cancer and to promote prevention and early detection. The California Colorectal Cancer Coalition (C4) is a nonprofit organization composed of a diverse group of dedicated individuals from throughout California whose mission is to save lives and reduce suffering from colorectal cancer in all Californians. Funds raised through the “Screen Your Gut - Save Your Butt” run will be used for the C4 Community Grants Program to increase screening and prevent colorectal cancer development, and to detect existing cancers earlier, when the outcomes are more favorable for patients.

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!

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