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Indiana Half Marathons in September

This is the calendar of all the Indiana half marathons in September. On these race calendars, not only will you be able to search the basics of cities and dates, but you’ll also be able to find September Indiana half marathons by difficulty, scenery, race size, and attributes like whether it’s pet-friendly, stroller-friendly, or has a great finisher party.

If you can’t find the half marathon you’re looking for in Indiana in September, it’s possible the race has not updated their date to the current year or has switched months. If you know a race belongs on this calendar or have any edits you’d like to suggest for an existing race in Indiana in September, you can email us [email protected].

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September 5, 2026
1-100 runners
Bluffton, Indiana
September 12, 2026
100-500 runners
Fishers, Indiana
September 13, 2026
1-100 runners
Borden, Indiana
September 13, 2026
100-500 runners
Crown Point, Indiana
September 20, 2026
100-500 runners
Plainfield, Indiana
September 25, 2026
100-500 runners
Columbus, Indiana
September 26, 2026
100-500 runners
Fort Wayne, Indiana

Running in Indiana

FAQ

What are the most popular Indiana half marathons?

The OneAmerica Indy Mini Marathon is the most popular half marathon in Indiana with over 14,000 finishers for the mini marathon. The second most popular half marathon is the Indianapolis Monumental Half Marathon with 5,929 finishers in 2023.

What are the best Indiana half marathons for beginners in 2025?

The half marathons we recommend as the best Indiana half marathons for beginners are the:
Indianapolis Monumental Half Marathon: For its crowds, production quality, and easy course.
OneAmerica 500 Festival Mini-Marathon: Because of it’s iconic course at the Indianapolis Motor Speedway.
Carmel Half Marathon: Because it’s one of the flattest midwestern half marathon in one of the best small town suburbs in the United States.

Which months can I run a half marathon in Indiana?

You can run a half marathon in Indiana in April, May, June, July, August, September, October, November, and December.

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