The 2025 IU Health 500 Festival Mini-Marathon is officially sold out! "Thanks to your incredible enthusiasm, this year’s field filled faster than we could have imagined," the 500 Festival said in a statement. "We can't wait to cheer on thousands of runners, walkers and wheelchair participants as they take to the Indy streets for one unforgettable race day." MORE: https://www.wthr.com/article/news/community/500-festival/2025-iu-health-500-festival-mini-marathon-sold-out-registration-open-for-2026/531-be51c392-f6b2-4aae-b80e-558cae93c9f4