Duaman Duathlon X2 2014 will be on September 21, 2014 in Nuvali, Sta Rosa, Laguna. This is the newest addition to the SBR.ph Tri Series – a series consisting of three events, the Aquaman Aquathlon, the Duaman Duathlon, and then the Triman Triathlon. The Duaman Duathlon X2 (Double Distance)...