7:30 am - 12:00 pm Cannonball Crush June 10 @ 7:30 am - 12:00 pm Cannonball Crush If you are interested in being added to our waitlist, please contact us here." Are you ready to crush it? Challenge yourself and your friends to storm Fort Henry! Cannonball Crush is an exciting and limit-testing 5 km race with more than 15 formidable obstacles which take strength, determination, and team spirit to overcome. Novice to advanced competitors race throughout historic Fort Henry and surrounding grounds to conquer the course and earn bragging rights.