Race participants get hosed down. Dr. Bronner’s “interblastive foam experience” at the Del Mar Mud Run. Dr. Bronner’s Magic Soap played a huge role in the Del Mar Mud Run, a 5K event that attracted more than 7,500 participants and an additional 3,000 spectators to San Diego. The event, held Oct. 6, raised an initial $7,000 for the Challenged Athletes Foundation’s Operation Rebound, and Dr. Bronner’s Magic Soaps contributed an additional $10,000 to the c...