Bongao Tawi-Tawi Ultramarathon 2nd Edition 2018 will be on June 30, 2018 at Bongao, Tawi-Tawi. This year, in solidarity with the people of Bongao on the 60th founding anniversary of the town, we push the challenge a bit farther to conquer 60K, including the Bongao Peak. And just like...