Nav Challenge 4 - Mourne Mountains

Nav Challenge 4 - Mourne Mountains is a running event with 16 Km and 10 Km distances in Leitrim Lodge Car Park, Sandbank Road, County Down on Sunday 18 October 2026. Registration is online. Navigational Challenge event on 18 October 2026, starting at 11:00 from Leitrim Lodge Car Park. IMRA lists a 16 km course and a 10 km short course. The route is unmarked and uses map-and-compass navigation; GPS navigation is not allowed. Check the organiser’s event page for mandatory kit, entry availability and any changes before travelling.