Indy Monumental Half Marathon 2025 Route. Ready to crush your half marathon goals? On behalf of cno financial group, i’m honored to welcome you to the 2025 cno financial indianapolis monumental marathon, half marathon and 5k.

Now one of the 15 largest marathons in the us, the cno financial indianapolis monumental marathon is the ideal fall marathon for everyone from the first time marathon runner to elite. The cno financial indianapolis monumental marathon is on october 28, 2023.