The Big BO 50K
Speedway, United States • 10 Oct 2026
The Big BO 50K
The Big BO 50K is a multi-distance running event held on 10/10/2026 at Daredevil Brewing Co., 1151 N Main St., Indianapolis, IN. The event is organized by Stay Obsessed. and the B&O Trail Association and uses the newly completed B&O Trail through Marion and Hendricks County.
The route begins at Daredevil Brewing Co. in Speedway, runs east toward downtown Indianapolis for a few miles, then turns and continues into rural Hendricks County before returning to Speedway. The course is described by the organizer as flat and fast and covers the full length of the B&O Trail between the two counties.
Distances offered:
- 50K
- 25K
- 10K
- 5K
Registration details are provided for each distance. Registration opens and closes on specified dates and fees differ by distance: the 50K fee is $75.00, the 25K fee is $55.00, the 10K fee is $35.00, and the 5K fee is $25.00. Specific registration open and close dates are listed for each distance. Visit the organization's website for the most recent information.