Clontarf Half Marathon - Autumn
Saturday, 14 November 2026
Clontarf, Co. Dublin
The Joe Duffy Group Clontarf Half Marathon Winter edition on 14 November 2026 is Ireland's flattest Half Marathon.
The event takes place in the scenic setting of Clontarf Promenade and Bull Island, with views of Howth Head and Dublin Bay. The out and back course is contained within an off road promenade and Bull Island giving it unique and relaxing appeal.
The race open to runners and walkers. The flat terrain makes it an ideal race to aim for a PB.
The Clontarf Half Marathon is held twice annually - in Autumn and Summer.
Organiser
Distances/Events
Half Marathon


