Glendalough Lap of the Gap Marathon

Glendalough Lap of the Gap Marathon

Saturday, 22 May 2027

Glendalough to Laragh, Co. Wicklow

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The Glendalough Lap of the Gap Marathon on 22 May 2027 is Ireland’s highest road Marathon, held in the Wicklow Mountains National Park.

This event, and its little brother the Glen to Glen Half-Marathon are organised by local club Glendalough AC. These are scenic routes with plenty of ups and plenty of downs. From quiet country back lanes to the barren and dramatic heather landscapes.

The full Marathon course takes runners from the monastic village at Upper Lake, Glendalough, one of Ireland's most popular tourist destinations, over the Sally Gap, past Lough Tay, down through Drummin and Oldbridge to finish at Laragh village. 42.2km with 800m elevation.

The Half Marathon takes in a scenic lap of the Upper Lake Park in Glendalough before joining the marathon course until Glenmacnass Waterfall and turning back to Laragh. 21.1km with 340m elevation.

Distances/Events

Half Marathon
Marathon

Location map

The start is Upper Lake, Glendalough. Refer to the event website for course maps.

Please note: the map location may be approximate. Refer to the event website for start lines and course maps.

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This listing was last manually checked on 3 September 2026.

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