Indiana · Half Marathon · 5K
OneAmerica 500 Festival Mini-Marathon
OneAmerica 500 Festival Mini-Marathon is a half marathon and 5K event held in Indianapolis, Indiana. It is usually held in May; the exact date hasn't been confirmed in the listing yet. About 30,000 runners take part across all distances.
- Usually held
- May
- Location
- Indianapolis, IN
- Field size
- ~30,000 runners
Race details
- Usually held in
- May (date not confirmed)
- Location
- Indianapolis, Indiana
- Distances
- Half Marathon, 5K
- Field size
- About 30,000 runners
- Course
- Minimal
- Registration
- runsignup.com
- Official website
- oneamericaindianapolismini.com
About the OneAmerica 500 Festival Mini-Marathon
Known as 'The Greatest Spectacle in Running,' this iconic half marathon takes runners through downtown Indianapolis and around the famed IMS oval where they kiss the Yard of Bricks. 2026 marked its 50th running.
Rankings and notes
- Rankings and awards
- Largest running event in Indiana and one of the largest half marathons in the US; USATF-certified; Runner's World 'Most Iconic Races'; features a 2.5-mile lap inside the Indianapolis Motor Speedway
- Notes
- 2nd largest half marathon in the U.S.
More half marathons in Indiana
Coming up next, by confirmed date.
-
Indiana Women's Half Marathon (Indiana Women's Running Festival)Carmel, INHalf Marathon10K5K ~2,500 runners
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2.5 Mile Glow Run, 1.2 Mile Glow Run and 1.3 Mile Fun Walk - 12th AnnualPalmyra, IN1.2 Mile Fun Walk (1 lap)1.2 Mile Glow Run (1 lap)2.5 Mile Glow Run (2 laps)
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Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
OneAmerica 500 Festival Mini-Marathon: common questions
- When is the OneAmerica 500 Festival Mini-Marathon?
- The next date hasn't been announced in the listing yet. The race is usually held in May. Check the organiser's website for the official date.
- Where is the OneAmerica 500 Festival Mini-Marathon held?
- In Indianapolis, Indiana.
- What distances does the OneAmerica 500 Festival Mini-Marathon offer?
- Half Marathon and 5K.
- How many people run the OneAmerica 500 Festival Mini-Marathon?
- About 30,000 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the OneAmerica 500 Festival Mini-Marathon?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.