Cardimax Clark Ultramarathon 2017 will be on September 9-10, 2017 in Clark Freeport Zone in Pampanga. There will be 50K and 100K solo and relay events. Relay is for a group of 4 in a team. Cardimax Clark Ultramarathon 2017 September 9-10, 2017 Pampanga EVENT DISTANCES 50K challenge, 50...