Challenge yourself in one of these 2019 inaugural trail races! We offer a 50K with close to 11K vert, a 27K with close to 6400 vert! A 50 mile race will be added in 2020. Trail races are ran on and all over the beautiful single-track trails and a dirt service road of Bald Mountain at the Sun Valley Resort. You will see crazy amazing views of the mountains surrounding the Sun Valley Resort. Be prepared though for some serious climbing....and bombing down steep trails. Check out the elevation profile maps and map files on our webpage.  

Anything else you may need to know is located on our Rock Grit Running website. Information on the website includes maps, aid station info, race perks and more! And because it's our inaugural races....there will be some pretty cool swag! Be sure and follow us on social media as we make announcements for this event and other trail races we will be offering.

September 13th, Friday evening at 6 p.m. will be kids races. (.75 and 1.5 mile races) Registration will be $10 and a waiver will need to be signed at the event. Each kiddo will receive a shirt.

Upcoming Races

Sep 14 2019
50 KM
Multiple Loop Course
Mountainous, >12,500 feet in 50 miles
Some rocks, root, and/or ruts


No Past Races
We try to keep the most accurate information about this race, but changes do happen. Always visit the official race website for the most up to date information.
Iron Bull Ultra
  • Oct 5, 2019
  • Wausau, WI
50 KM