The Tralee 100K Ultra Marathon is a single-loop endurance race starting at the Aquadome and finishing at Ashe Hall in Tralee, Ireland. The challenging route winds through the scenic landscapes of North Kerry, passing coastal roads and landmarks like Kerryhead, Ballyheigue, Causeway, and Fenit. Characterised by a moderate elevation profile with rolling hills and refreshing Atlantic views, the course demands physical grit and strategic planning. Participants must navigate the self-sufficient test within a strict 15-hour cut-off, with aid stations provided approximately every 10 kilometres.