Get ready to run with us May 21, 2022!

Race Info and Registration Coming Soon

If you're unsure if your 2020 registration was rolled over to 2021 you may check the list of deferrals here: Gnaw bone 2021 defer list HERE

If any in-person event cannot proceed as scheduled due to a government order related to the COVID-19 pandemic, all participants will be given the option to participate in our virtual event or defer their registration to 2022 free of charge. 

Event entry space is limited for 2021 and will sell out. No race weekend registration.


gnaw bone shirt and medal

For those of you unfamiliar with Brown County, Indiana, the terrain will bring you shock and awe! Vicious 600’ ridges, breathtaking natural beauty and wicked trails abound. Gnaw Bone is about one mile out of Nashville, IN, an artisan community with over 200 galleries. A picture postcard of a town and definitely worth a visit, just 3 miles from the race start.

All entries include a custom technical gender specific fit t-shirt and finisher medal (Finisher medal will be a handmade laser cut steel)! Overall awards to first male and female in all distances.

Home of the the world’s most difficult 10K. Expect double your road time and triple the effort!

Note: The other race distances, 5K, 13.1M, 26.2M, 50K, and 50M are … We might say, “challenging”, so as not to scare you off, but then, we’d be lying! Come join us at the bone and see what you’re made of.

COVID-19 PRECAUTIONS: All health and safety orders in place at the time of the event will be implemented race weekend. Start times are subject to change slightly depending on the wave size allowed.

The Dirt Crew, at your service and doin’ it in the Dirt, just for you!