In 47 days · Sat, Oct 10, 2026
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Saturday, October 10th, 2026
Daredevil Brewing Co., Indianapolis IN
Ultra · 10K · 5K
52–70°F · some rain risk
See last 10 years
On this date: rain 2 of the last 10 years
2025
43–68°F
dry
2024
49–71°F
dry
2023
41–60°F
dry
2022
46–72°F
dry
2021
68–83°F
dry
2020
61–78°F
dry
2019
55–77°F
dry
2018
67–76°F
rain
2017
64–75°F
rain
2016
51–70°F
dry
Best months to race in Indiana →
About this race
Event Overview
Stay Obsessed. and the B&O Trail Association are proud to welcome you to the First Annual Big BO 50K Ultramarathon.
Race Details
- Date: 2026-10-10
- Location: Daredevil Brewing Co., Indianapolis, IN
- Distance: 50K
- URL: Big BO 50K Race Registration
Course Highlights
- Start Point: The journey begins at Daredevil Brewing Co. in Speedway — the Racing Capital of the World.
- Trail Length: Covers the entire length of the B&O trail through Marion and Hendricks County.
- Route: Head east toward downtown Indy before turning around to rural Hendricks County.
- Course Type: This course is flat, fast, and built for big goals.
Who Should Participate
- Novices: Ideal for those dipping their toes into the world of ultrarunning for the first time.
- Experienced Runners: A great stage for chasing a shiny new 50K PR.
- Health Enthusiasts: A chance to challenge your limits and stay active.
- Community: Join fellow run obsessed friends for an exciting experience.
Motto
Stay Active. Stay Healthy. Stay obsessed.
Course map
Train with a club
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