The Quadrathon Challenge

AUG

13-16

2026

The Quadrathon Challenge is a four-day endurance event on Ireland's Wild Atlantic Way. Choose between completing four full marathons or four half marathons on different scenic courses each day. The event includes finish line catering and commemorative medals.

13-16 Aug 2026

Inishowen,

Website

105 miles Marathon Half Marathon

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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.