The XTERRA Adventure Fest Maui is a true off-road adventure event on the island of Maui. You can choose from a 5K or 10K trail run or a four-person 5K relay. The kids - or keiki - have their own 2K run. Maui has been voted the number one island in the world now for 23 years straight by Conde Nast Traveler Magazine, so why not enter this great event here on the best island in the world? There is something in this event for everyone, from extreme athletes, to casual runners, to keiki.