OneAmerica 500 Festival Mini-Marathon

The OneAmerica 500 Festival Mini-Marathon, held annually in Indianapolis, Indiana, is one of the largest half marathons in the U.S. and a key event in the lead-up to the iconic Indianapolis 500. Typically taking place in early May, this race combines athletic achievement with a festive celebration, drawing thousands of participants each year.

The course starts and finishes in downtown Indianapolis, offering runners a unique opportunity to experience the city’s landmarks, including the Indianapolis Motor Speedway—home of the famous 500-mile race. The route takes runners through historic neighborhoods, scenic parks, and past notable sites such as Monument Circle and Lucas Oil Stadium, showcasing the city’s vibrant urban landscape.

Known for its lively atmosphere, the Mini-Marathon features enthusiastic crowds, lively entertainment, and well-stocked aid stations along the course. In addition to the half marathon, the event includes a 5K race, allowing runners of all levels to participate. The post-race festival, held at the finish line, includes music, food, and a celebratory atmosphere, making it a memorable experience for both runners and spectators.

With its well-organized logistics, community spirit, and connection to the Indianapolis 500, the OneAmerica 500 Festival Mini-Marathon is a must-run event for those seeking a blend of competitive racing and festive fun.