Nav Challenge - Mourne Mountains

OCT
18
2026
Nav Challenge 4 in the Mourne Mountains takes place in County Dublin on Sunday 18 October 2026. The unmarked course is 99.00 km with 999 m of climb, GPS is not allowed and a Level B mandatory kit is required.
Sun 18 Oct 2026
99 kilometers

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Nav Challenge 4 - Mourne Mountains

This event is organised by the Irish Mountain Running Association and is scheduled for Sunday 18 October 2026 in County Dublin. The event is presented as a navigational challenge within the Navigational Challenge league.

The main course distance is 99.00 km with a listed climb of 999 m. The route is not marked and the use of GPS devices is not allowed. A short course is not listed (0.00 km).

Mandatory kit is Level B - Standard and includes a waterproof jacket, hat or buff, gloves, whistle, a charged mobile phone with an emergency number stored, and a foil blanket or bivvy bag or equivalent. All competitors must bring these items. The final decision on which kit must be carried during the race will be announced at Registration on the day, depending on conditions.

Entry details are not yet available. Competitors should be prepared to carry their kit; failure to have required items may result in being denied entry or disqualification. Random kit checks may be carried out. Visit the organization's website for the most recent information.

99 km
Navigational Challenge

Events nearby

A 19 mile mountain race in the Mourne Mountains with about 2,600 m ascent and an anticlockwise 2026 route over seven summits. Navigation skills and mandatory safety kit are required and entries are limited to 150.
An 11 km fell race in the Western Mournes from Sandy Brae with 768 m of ascent and mandatory mountain safety kit.
A five-leg team relay around the Denis Rankin Round starting and finishing at Donard Park, Newcastle on 12 September 2026.
A two day team mountain marathon in the Mourne Mountains with courses of 35 km to 55 km, a one day six hour score class, camping overnight and timed results.
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