Altra Running Philippines Races

We are honored and proud to officially share that A1 PHILIPPINES 2026: Cordillera Mountain Terraces 100 has been recognized by the Asia Trail Master as part of the Grandmaster Quest 2026.

Formerly known as Altra 100 Philippines, our race enters a new era while celebrating its 10th year of bringing runners to the majestic and challenging mountains of the Cordilleras.

From the legendary trails of Mt. Amuyao and Mt. Napulawan, to the breathtaking UNESCO World Heritage Rice Terraces of Banaue and Batad — A1 Philippines is more than just a race. It is a true mountain running experience that tests endurance, courage, and heart.

🔥 Grandmaster Quest Categories:
🏃‍♂️ A1 Philippines 100 Miles
🏃‍♂️ Amuyao Mountain Ultra 50 Miles

Also available:
🏃‍♂️ Batad Marathon 42KM
🏃‍♂️ P**a 25KM
🏃‍♂️ Awanigid 10KM

📍 Banaue Ethnic Village, Ifugao
📅 August 20–23, 2026

This event is also dedicated to supporting the rehabilitation of Batad Village, affected by recent landslides caused by typhoons. Every step you take becomes part of something bigger for the community and the mountains we all love.

To all trail runners in the Philippines and worldwide — this is your chance to conquer one of the toughest and most beautiful trail races in the country.