Glendalough Lap of the Gap Marathon

Lap of the Gap: A Runner's Journey Through Glendalough
Embark on a unique running adventure that transforms Ireland’s iconic cycling route into a challenging and scenic marathon. Starting from the serene monastic village of Glendalough, this event takes you through winding backroads lined with lush greenery and historic sites. The course features an ascent past the enchanting Glenmacnass Waterfall, followed by a climb to Sallygap's windswept heights.
As runners descend towards Lough Tay — also known as Guinness Lake for its distinctive blue-green hue — they are treated to panoramic views that highlight Ireland’s natural beauty and rugged charm. Both the full marathon and half-marathon routes extend this classic loop, offering participants an immersive journey through some of Ireland's most picturesque landscapes.
This event is more than a race; it’s an experience designed to leave lasting memories with its breathtaking scenery and challenging terrain. Whether you’re a seasoned runner or looking for your next adventure, the Lap of the Gap promises an unforgettable run that celebrates both nature and history.
Join us in Glendalough and discover why this route has become legendary among cyclists — now it’s time to make it yours as a runner.