In three days they swim 6.2 miles, 261.4 bike race, and 52.4 mile run.
The winner this year was Mike LeRoux with Jonas Colting 2nd, Slater Fletcher 3rd.
The top four women all beat the previous women's record for the event with Amber Monforte 1st, Hillary Biscay 2nd, Shanna Armstrong 3rd, and Kathy Winkler 4th.
Three days of enduring fun, twice the distance of Ironman, ending at the Kona's Old Airport.
(photos by Randy Magnus)