Tough Mudder 10K may be just for you. Go the extra distance, with an average of 3+ obstacles every mile– you’re ready for the next step in your Tough Mudder adventure.  The 6 mile course features 20 obstacles, and should take most participants 2-3 hours to complete. Tough Mudder 10K will be regularly featured on the Sunday of Tough Mudder weekends, with occasional Saturday offerings in select venues.