Seven Sisters Skyline

Seven Sisters Skyline

Saturday, 20 September 2025

Dunlewy, Co. Donegal

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The Seven Sisters Skyline on 20 September 2025 is an epic 55km, 30km or 16km mountain running event in the Derryveagh mountains in Donegal.

This event has become Ireland’s Premier mountain running event, and is part of the UK-Ireland National Skyrunning series. It is also Ireland’s largest mountain running event.

The route runs along the top of all of the Seven Sisters in the Derryveagh mountains from Errigal to Muckish. The course is renowned for its variability in terrain and amazing beauty. The 55km with 4,000m ascent event is regarded as the toughest in Ireland.

Organiser

Excel Sports

Series

Skyrunner® UK & Ireland Series
- Next in series (11 October 2025)

Distances/Events

16K / 800m+ ascent
30K / 2100m+ ascent
55K / 4000m+ ascent

Location map

Refer to the event website for start lines and course maps.

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

Disclaimer

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This listing was last manually checked on 26 June 2025.

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