The Indianapolis Monumental Marathon (also known as the CNO Financial Group Indianapolis Monumental Marathon for sponsorship reasons) is an annual road marathon usually held in early November in downtown Indianapolis, Indiana, United States.

[citation needed] In 2014, Runners World named the race as one of the nine best, new U.S.

[5] In 2017, Jed Cornforth was appointed as executive director of the event, replacing the prior director, Blake Boldon, who left the event to direct the Drake Relays.

[8] The course for the Monumental Marathon begins and ends near the Indiana Statehouse in downtown Indianapolis.

The two races follow identical routes for the first six or so miles, split, then re-converge for the last 3 mi (4.8 km) of the course.