The Quadrathon Challenge
Inishowen, Ireland • 13-16 Aug 2026
Event Overview
The Quadrathon Challenge is a four-day running event in Inishowen, Donegal, Ireland. It takes place from August 13 to 16, 2026. The challenge involves running four separate courses over the four days.
Distances
Participants can choose between two multi-day challenges:
- Warrior: 4 full marathons (42.2 km each).
- Quest: 4 half marathons (21.1 km each).
Course Details
The four courses are different each day. Together, they form a 105-mile loop along the Wild Atlantic Way. The event features coastal and hill scenery. Participants can choose to walk or run the courses.
A unique optional activity for 2025 involves a 1.25 km walk with an alpaca to a panoramic elevation point.
Event Features
The finish line includes catering. Participants receive finisher's medals. Visit the organization's website for the most recent information.