Malibu Nautica Triathlon 2008 Jennifer Lopez

Jennifer Lopez in Malibu Nautica Triathlon 2008 Jennifer Lopez completed the Nautica Malibu Triathlon in about 2 1/2 hours Sunday. The singer, 39, pumped her arms in the air and smiled broadly as she crossed the finish line of the swimming-running-biking event. Husband Marc Anthony was on the sidelines being supportive. The couple kissed between the biking and running portions of the race. Fans and fellow participants were seen cheering on Lopez and giving her high-fives. After finishing, Lopez joined her family and Matthew McConaughey, who came in before her, in the VIP area. McConaughey was accompanied by his girlfriend Camila Alves and their newborn son Levi. Lopez and Anthony are expected to return to NYC after the event to host his 40th birthday bash Sunday night