Indianapolis Monumental Half Marathon 2025 Dates

Indianapolis Monumental Half Marathon 2025 Dates. For each race, you’ll find the history of the half marathon and the course, the most recent year’s course maps,. Celebrate 17 years of running indy at the 2025 cno financial indianapolis monumental marathon!

We look forward to continuing to improve our service to you. During this year’s marathon, three runners broke course records.