Set for 20 September 2026 at Clark Parade Grounds, this RUNRIO-produced marathon is backed by Singlife insurance. Four distances with registration open. One of the Philippines' premier freeport marathons.
Clark Freeport, Pampanga, Philippines · Last updated August 4, 2026
The bottom line
The Singlife One Clark International Marathon combines RUNRIO's gold-standard production with Clark Freeport's wide, traffic-free roads — one of the Philippines' best marathon venues. Four distances (42K, 21K, 10K, 5K) with registration open. Singlife's insurance-brand backing adds commercial credibility and quality race merchandise. Clark's flat boulevards make this a genuine PB opportunity. September in Pampanga is the tail of the wet season — warm but manageable with an early start. For runners wanting a RUNRIO-produced, PB-friendly marathon in a world-class running environment, this is a top-tier Philippine pick.
Clark: The PB Factory
Clark Freeport's wide boulevards — legacy of the former US airbase — provide one of the Philippines' flattest, fastest marathon surfaces with minimal traffic. [1] The Clark Parade Grounds is a central, open venue with space for a full race village. Singlife's sponsorship brings commercial production values to RUNRIO's proven race-day template.
Should You Run It?
A RUNRIO-produced, PB-friendly Clark marathon with open registration. 20 September 2026 at Clark Parade Grounds. [1]