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.