The Quadrathon Challenge

Inishowen, Ireland • 13-16 Aug 2026

The Quadrathon Challenge

The Quadrathon Challenge is a four day marathon and half marathon event held on the Inishowen peninsula along the Wild Atlantic Way. The combined course distance across the event is 105 miles. The terrain is coastal and sometimes hilly, with routes that follow sections of coastline and include audible wave action near the shore.

Participants can choose full marathon or half marathon distances and may run or walk. Each day uses a separate route, and entrants may complete distances over between one and four days. Course names listed for the event are WARRIOR for the full marathon and QUEST for the half marathon.

The event runs from Thursday 13 August 2026 to Sunday 16 August 2026. Entries open 28 August 2025 and close 28 July 2026. The organizer is Extreme North. Event materials note an option to purchase XCover which may allow a refund in cases of unforeseen inability to attend, and there are published event terms, cancellation, and refund policies.

The description emphasizes coastal scenery and varied terrain. The format provides multiple days of separate routes and offers both run and walk options for the full and half marathon distances. Visit the organization's website for the most recent information.

Race information

Marathon
Warrior - Full Marathon
Half Marathon
Quest - Half Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

A 20 mile coastal trail run from Portrush along the Causeway Coast Way passing the Giant's Causeway, cliffs, beaches and castle ruins with moderate terrain and 2276 ft ascent.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.