Race into Halloween Fun at Disneyland® Resort Back for a second year of fall fun is the Disneyland® Halloween Half Marathon. And this year’s theme is a real scream! That’s because it’s centered around some delightfully devious Disney villains. So lace up for miles of mischievous fun at Disneyland Resort, September 7, 2025. This year the half marathon will be marked by Maleficent. On September 7, slay 13.1 miles through Disneyland® Resort, Disney California Adventure® Park and surrounding areas as Maleficent tries to curse it all. Best of all? You’ll earn a one-of-a-kind themed medal! From the start line to the finish line, the Disneyland® Halloween Half Marathon will cast a spell to ensure that Every Mile is Magic.