Indiana · 50K · 25K · 10K
The Big BO 50k
The Big BO 50k is a 50K, 25K, 10K and 5K event held in Indianapolis, Indiana. Its next confirmed date is Saturday, October 10, 2026.
- Race day
- October 10, 2026
- Location
- Indianapolis, IN
Race details
- Date
- Saturday, October 10, 2026
- Location
- Indianapolis, Indiana
- Distances
- 50K, 25K, 10K, 5K
- Course
- Flat, fast paved rail-trail course with no significant elevation change reported.
- Official website
- runsignup.com
About the The Big BO 50k
Stay Obsessed. and the B&O Trail Association are proud to welcome you to the First Annual Big BO 50K Ultramarathon Join your fellow run obsessed friends on the newly completed B&O Trail for a fast, exciting 50K experience unlike any other in central Indiana. The journey begins at Daredevil Brewing Co. in the heart of Speedway — the Racing Capital of the World — and covers the entire length of the B&O trail through Marion and Hendricks County. You’ll Head east toward downtown Indy for a few mile…
More 10Ks in Indiana
Coming up next, by confirmed date.
-
Indiana Women's Half Marathon (Indiana Women's Running Festival)Carmel, INHalf Marathon10K5K ~2,500 runners
More races in Indianapolis
More upcoming races in Indiana
-
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)
Keep exploring
- All races in Indiana
- 5Ks in Indiana184 upcoming races
- 10Ks in Indiana23 upcoming races
- Half Marathons in Indiana12 upcoming races
- Marathons in Indiana6 upcoming races
- 5Ks in the United States7,906 upcoming races
- 10Ks in the United States2,717 upcoming races
- 10Ks in Michigan71 upcoming races
- 10Ks in Ohio66 upcoming races
- 10Ks in Illinois69 upcoming races
- 10Ks in Kentucky31 upcoming races
Guides from the RaceRove blog
- 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.
- 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.
- 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.
The Big BO 50k: common questions
- When is the The Big BO 50k?
- The next confirmed date is Saturday, October 10, 2026.
- Where is the The Big BO 50k held?
- In Indianapolis, Indiana.
- What distances does the The Big BO 50k offer?
- 50K, 25K, 10K and 5K.
- How do I register for the The Big BO 50k?
- 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.