A record field of more than 14,000 registered participants will take to the streets of Disneyland Resort and the city of Anaheim for the fifth anniversary of “The Happiest Race on Earth” — the Disneyland Half Marathon. In addition to the 13.1-mile half marathon, the weekend features activities for the entire family, including a Health & Fitness Expo, Disneyland Fabulous 5K presented by the Los Angeles Times, and Kids’ Races.