Mariathon Year 4 2018 will be on March 18, 2018 at Bustos Municipal Compound, Bustos, Bulacan. Mariathon Year 4 2018 March 18, 2018 Bulacan EVENT DISTANCES 3K, 5K, 10K REGISTRATION FEE 3K – Php 250 5K – Php 300 10K – Php 350 Inclusive of Singlet, Race Bib, Certificate,...