Mourne Mountain Marathon

SEP
19-20
2026
The Mourne Mountain Marathon is Ireland's only two-day mountain navigation event. Teams of two compete across various distance categories, requiring self-sufficiency and overnight camping in the Mourne Mountains. It's a unique test of endurance and navigational skill.

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Event Overview

The Mourne Mountain Marathon is described as Ireland's only two-day endurance and navigation event. It takes place in the Mourne Mountains in Northern Ireland. Participation is for teams of two.

Course Details

There are multiple competitive classes. The event features four two-day categories covering distances between 35 km and 55 km. There is also a one-day score class. For the two-day elite, B, C, and D classes, the winning team is the fastest around a set number of control markers over the two days. For the one-day score class, the winning team is the one that collects the most points within a six-hour time limit. The distances and ascent ratios are guidelines and can vary.

Participant Experience

Teams must camp overnight and be self-sufficient. The event has a flexible start time on the first day. It uses SPORTident electronic timing. Participants receive a T-shirt and a car sticker, with refreshments provided at the end of the second day.

Practical Information

The entry fee is £110 per team for the two-day classes, with a reduced rate of £75 for Under-23 and Adult-Junior teams. The one-day Score Class entry fee is £40 per team. There is a participant limit of 200 teams. The event is supported by partners including Mac in a Sac and Lila’s Outdoors. Visit the organization's website for the most recent information.

Two-Day Course Total