7. Brewhouse Triathlon

The Buzz -- The Brewhouse Triathlon is known as one of the top triathlons in the United States. More than 600 athletes come to Duluth each year to participate. The expert course consists of an 0.8 mile swim, a 20.6 mile bike race and a 2.5 mile run. Participants must be in top condition to compete in this extreme display of athleticism. Don't miss your chance to watch or register for this amazing race.