Griv Brown (GB) organizes marathon events to promote the beautiful places in the Philippine provinces of Samar and Leyte and other parts of the Visayas. Mr. Griv Brown is a dedicated public school teacher in Samar.
GB Ultramarathon
Embrace the triumph of crossing the finish line of Biliran 360° Ultramarathon. The first ever GB and ABSE running event to go around Biliran Province, try this brave endeavor with the same strength and spirit!
Props & Uniforms
