The 19th running will welcome a record number of marathon participants as Indianapolis prepares for the 14th consecutive and earliest sellout in event history.

INDIANAPOLIS, Aug. 6, 2026 /PRNewswire/ -- The CNO Financial Indianapolis Monumental Marathon has reached a historic milestone, selling out its expanded marathon field in August—the earliest sellout in event history—as Indianapolis prepares to host one of the 15 largest marathons in the United States this November.

Originally published on the BLOX Digital Content Exchange.