Hariraya Ultramarathon 2019 will be held on June 8, 2019 at the Rajah Buayan, Maguindanao. This is brought to you by the Local Government of Rajah Buayan and The Great Filipino Race. Hariraya Ultramarathon 2019 June 8, 2019 Maguindanao EVENT DISTANCES 50K REGISTRATION FEE P1,200 (100% of registration fees will...