2nd BONPEN 100 Ultramarathon Challenge is a 100km Ultramarathon Challenge that would take you to the 3rd district of Quezon Province, known as Bondoc Peninsula.

BONPEN (Bondoc Peninsula) is located southwest of Quezon Prov. and belong to 3rd district which compose of 12 towns, this is first to happen in this area to test the human endurance by foot on mountainous, rolling hills and mostly coastal towns.