The Bedrock Valley Trail Runs is a NEW trail running experience you don't want to miss. We offer something for the whole family to enjoy. Choose from the beautiful Bedrock Valley Trail Marathon, Trail Half Marathon, 15k, 5k, Stroller 5k and bring the kids for the the 1 Mile Kid's Fun Run around Diamond Valley Lake. This is truly a historic run in an ancient place. This area's heritage begins during the Ice Age where the most concentrated amount of Mastodons once roam the earth. The remains of hundreds of Mastodons and other prehistoric dinosaurs were discovered in the bedrock of where the lake now rests.

04-11-2026, 07:00 am - 03:00 pm