The SD50 & Trail Runs event offers a range of distances for all running levels, including the San Diego 50M, a great introduction to ultramarathons, the San Diego Trail Marathon with a summit at Raptor Ridge, the San Diego Trail Heavy Half Marathon for exploring new trails, the Summit Chase 10m Challenge to the Raptor Ridge summit, and the new Valley 5m on a flat course with scenic views. Visit: https://runsignup.com/Race/CA/Escondido/SanDiego50