Palawan Express Marathon 2016 will be on May 1, 2016 at Puerto Princesa Baywalk, Puerto Princesa, Palawan. This is another reason to visit Palawan and see the natural wonders in the island. Palawan Express Marathon 2016 May 1, 2016 Puerto Princesa City, Palawan EVENT DISTANCES 3K, 5K, 10K ,21K ,...