Athletes competed for 75 coveted spots to the 2016 Ironman World Championship.
McMahon and Lyles earned the Ironman South American Championship titles, $30,000 winning paychecks and automatic Kona starting spots.
The race, in Florianópolis on the island of Santa Catarina, also offers a $150,000 professional prize purse that pays 10 deep.
Tim O’Donnell narrowly missed the elusive eight-hour mark, finishing in a course record time of 8:01:31.
In this Weekend Wrap Up, we bring you details from the Ironman Brazil event as well as the Capitol of Texas Triathlon in Austin, TX.