Annual trail run sponsored by Merrell is back for 2012. This event boasts the challenges and the excitement of the off-road run in Manila with 5K, 10K, 21K events.  Merrell Adventure Run 2012 June 2, 2012 Timberland Heights San Mateo, Rizal  EVENT DISTANCES 5K, 10K, 21K REGISTRATION FEES 5K –...