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Seven Sisters Skyline 2026
Sep 17 at 6:30 am - Sep 20 at 7:00 pm
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Mountain Running in Its Purest Form
Excel Sports’ Seven Sisters Skyline has grown into Ireland’s premier mountain running event — and its largest — welcoming 500 runners onto a truly world-class course. Set deep in the wild beauty of the Derryveagh Mountains, this iconic route boasts serious pedigree, having featured in the World Mountain Running World Cup (2022) and now forming part of the Skyrunning UK & Ireland Series.
The Course
Whether you take on the 55km, 30km, or 16km, you’ll run the dramatic spine of the Seven Sisters, stretching from Errigal to Muckish. Expect razor-sharp ridges, steep climbs, rocky summits, and fast, technical descents. With elevation gains of up to 4,000m+, this is a course that demands grit, skill, and respect — and rewards you with some of the most spectacular mountain views in Ireland.
UTMB Index Races
The 55km and 30km events are UTMB Index races, offering participants the opportunity to earn points toward qualification for the UTMB World Series. But the Seven Sisters Skyline is about far more than points — it’s about earning every metre and measuring yourself against raw mountain terrain.
Pure Competition
The 55km and 30km events are UTMB Index races, offering participants the opportunity to earn points toward qualification for the UTMB World Series. But the Seven Sisters Skyline is about far more than points — it’s about earning every metre and measuring yourself against raw mountain terrain.
55km – The Full Skyline
The 55km Skyline delivers a full mountain-running experience, packing 4,000m+ of ascent into a relentless journey across the Derryveagh Mountains. From the gun, runners head into serious terrain, summiting six peaks on the outward leg — Mackoght (555m), Aghla Mór (584m), Aghla Bheag South (602m), Aghla Bheag North (564m), Leargacha (470m), and Muckish (666m).
30km – The Skyline Challenge
The 30km race is a point to point route and offers a fast, demanding traverse of the Skyline, starting on the Miners Path side of Muckish (railway line) and crossing every summit on the route to Errigal. The terrain is rugged and technical, with constant elevation changes that reward strong climbers and confident descenders.
16km – The Skyline Intro
A true mountain experience in a shorter distance. The 16km route is an ideal introduction to Skyline running, offering technical trails, classic climbs, and stunning views without the full length of the longer races. Starting at Altan Track, adjacent to the main road, runners follow the track down to Altan Castle, loop around the castle, and climb back up onto the 30km route.
