Course
55 km55 km
30 km30 km
Altan Castle16 km
Key dates
- ★Race daySeptember 2027 · date to be announced
Provisional date, projected from last year — the organiser has not announced this edition yet. We show the month only.
About
An epic mountain running event in the Derryveagh mountains in Donegal, Ireland, part of the UK-Ireland National Skyrunning series. The Seven Sisters Skyline is a 55km Ultra with 4,000m ascent and is regarded as the toughest in Ireland.
Your next race, seen from above.
Save Seven Sisters Skyline to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save Seven Sisters Skyline to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
More races in Donegal All ›
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Donegal East Marathons
Fast route along the River Finn in Donegal
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.