Seven Sisters Skyline, Dunlewey, Donegal (2026)

30/05/2026

🏔 Seven Sisters Skyline – Sept 19th 2026 🏔
📍 Dunlewey, Donegal

16 weeks today - time to get serious 🫢

🏆 2025 Trail Running Event of the Year – Ireland

Ireland’s premier mountain running event — and this is one race you need on your calendar.

The 2026 edition marks the 9th running of the iconic Seven Sisters Skyline, taking runners deep into the wild mountains of Donegal beneath the legendary Errigal.

🔥 Big news for 2026:
The 55K race will host the UK & Ireland Skyrunning Championships, bringing the best mountain runners together for an epic showdown.

💰 €10,000 Prize Fund – the largest cash prize in UK & Irish trail/mountain running
• €10,000 combined prize purse for the 55K & 30K races
• Cash prizes for the top 5 male & female in each event
• €7,500 prize pool for the Championship 55K race

🏃‍♂️ Choose your challenge:
• 55K Skyline – Championship Skyrunning test
• 32K Sky Challenge – big mountains, big views
• 18K Altan Castle Trail – the perfect taste of the Skyline

Whether you’re chasing podiums or unforgettable mountain miles, there’s a race for everyone.

📍 Donegal, Ireland
📅 19 September 2026

REGISTER NOW 👇👇

Link in bio

30/05/2026

🏔 Seven Sisters Skyline – Sept 19th 2026 🏔
📍 Dunlewey, Donegal

16 weeks today - time to get serious 🫢

🏆 2025 Trail Running Event of the Year – Ireland

Ireland’s premier mountain running event — and this is one race you need on your calendar.

The 2026 edition marks the 9th running of the iconic Seven Sisters Skyline, taking runners deep into the wild mountains of Donegal beneath the legendary Errigal.

🔥 Big news for 2026:
The 55K race will host the UK & Ireland Skyrunning Championships, bringing the best mountain runners together for an epic showdown.

💰 €10,000 Prize Fund – the largest cash prize in UK & Irish trail/mountain running
• €10,000 combined prize purse for the 55K & 30K races
• Cash prizes for the top 5 male & female in each event
• €7,500 prize pool for the Championship 55K race

🏃‍♂️ Choose your challenge:
• 55K Skyline – Championship Skyrunning test
• 32K Sky Challenge – big mountains, big views
• 18K Altan Castle Trail – the perfect taste of the Skyline

Whether you’re chasing podiums or unforgettable mountain miles, there’s a race for everyone.

📍 Donegal, Ireland
📅 19 September 2026

REGISTER NOW 👇👇

https://in.njuko.com/seven-sisters-skyline

12/05/2026

Our Sister event takes place next Saturday. Amazing trails on some of Europe’s highest sea cliffs.
UTMB Index points.

IMAGINE RUNNING OR HIKING HERE 😮

Are you looking for your next adventure - than look no further than Sliabh Liag Adventure events - May 23rd💪🏽

Get out of the city this May and join us at the majestic Sliabh Liag Cliffs, Co. Donegal - for one of the most scenic adventure filled weekends of the year. 💯

🥾 Hiking
🏃🏽 Trail Running
🏊🏽 Wild Swimming
⛵️ Boats Trip
⛺ Camping and much more!

With 3 event distances to chose from, there’s something for everyone:

➡️ 13km, 530m+ elevation gain - Hike / Run €50
➡️ 25km, 1,000m+ elevation gain (2 loops) €60
➡️ 50km, 2,000m+ elevation gain (4 loops) €75

REGISTER TODAY AT 👇👇

https://in.njuko.com/sliabh-liag-adventure-weekend-2026

fellrunning running marathon halfmarathon uphillchallenge testyourself adverture advertureweekend seacliffs irishcliffs cliffsofinstagram hiking camping wildswimming seaswimming thecraic teelin donegalbay hillsofdonegal

12/05/2026

Our Sister event takes place next Saturday. Amazing trails on some of Europe’s highest sea cliffs.
UTMB Index points.

IMAGINE RUNNING OR HIKING HERE 😮

Are you looking for your next adventure - than look no further than Sliabh Liag Adventure events - May 23rd💪🏽

Get out of the city this May and join us at the majestic Sliabh Liag Cliffs, Co. Donegal - for one of the most scenic adventure filled weekends of the year. 💯

🥾 Hiking
🏃🏽 Trail Running
🏊🏽 Wild Swimming
⛵️ Boats Trip
⛺ Camping and much more!

With 3 event distances to chose from, there's something for everyone:

➡️ 13km, 530m+ elevation gain - Hike / Run €50
➡️ 25km, 1,000m+ elevation gain (2 loops) €60
➡️ 50km, 2,000m+ elevation gain (4 loops) €75

REGISTER TODAY AT 👇👇

https://in.njuko.com/sliabh-liag-adventure-weekend-2026

13/03/2026

🏔 Seven Sisters Skyline – Sept 19th 2026 🏔
📍 Dunlewey, Donegal

🏆 2025 Trail Running Event of the Year – Ireland

Ireland’s premier mountain running event — and this is one race you need on your calendar.

The 2026 edition marks the 9th running of the iconic Seven Sisters Skyline, taking runners deep into the wild mountains of Donegal beneath the legendary Errigal.

🔥 Big news for 2026:
The 55K race will host the UK & Ireland Skyrunning Championships, bringing the best mountain runners together for an epic showdown.

💰 €10,000 Prize Fund – the largest cash prize in UK & Irish trail/mountain running
• €10,000 combined prize purse for the 55K & 30K races
• Cash prizes for the top 5 male & female in each event
• €7,500 prize pool for the Championship 55K race

🏃‍♂️ Choose your challenge:
• 55K Skyline – Championship Skyrunning test
• 30K Sky Challenge – big mountains, big views
• 16K Altan Castle Trail – the perfect taste of the Skyline

Whether you’re chasing podiums or unforgettable mountain miles, there’s a race for everyone.

📍 Donegal, Ireland
📅 19 September 2026

REGISTER NOW 👇👇
Link in bio

Tag your running crew and start planning the adventure.

06/03/2026

🏔 Seven Sisters Skyline – Sept 19th 2026 🏔
📍 Dunlewey, Donegal
🏆 2025 Trail Running Event of the Year – Ireland

Ireland’s premier mountain running event — and this is one race you need on your calendar.

The 2026 edition marks the 9th running of the iconic Seven Sisters Skyline, taking runners deep into the wild mountains of Donegal beneath the legendary Errigal.

🔥 Big news for 2026:
The 55K race will host the UK & Ireland Skyrunning Championships, bringing the best mountain runners together for an epic showdown.

💰 €10,000 Prize Fund – the largest cash prize in UK & Irish trail/mountain running
• €10,000 combined prize purse for the 55K & 30K races
• Cash prizes for the top 5 male & female in each event
• €7,500 prize pool for the Championship 55K race

🏃‍♂️ Choose your challenge:
• 55K Skyline – Championship Skyrunning test
• 30K Sky Challenge – big mountains, big views
• 16K Altan Castle Trail – the perfect taste of the Skyline

Whether you're chasing podiums or unforgettable mountain miles, there’s a race for everyone.

📍 Donegal, Ireland
📅 19 September 2026

REGISTER NOW 👇👇
https://in.njuko.com/seven-sisters-skyline

Tag your running crew and start planning the adventure.

RunIreland.com
Trail Running Ireland
Go Visit Donegal

08/02/2026

⛰️⛰️ EVENT OF THE YEAR ⛰️⛰️

Thanks to all for the kind messages and support over the last week. We were absolutely thrilled and sure we always knew it 🤣

To celebrate we are keeping the EARLY BIRD OFFER until next Sun 15th Feb.

If you’ve never been to the Seven Sisters, make 2026 the year 🫢

We are delighted to be back in the Skyrunning UK - Ireland series, and will be hosting the National Series Skyrunning Championships with our 55k event - boasting a €7500 prize pool.

Early bird offer extended to Feb 15th.
includes FREE T- Shirt !

€10k prize fund making this Ireland’s / UK biggest cash prize trail / mountain running event.
For the 55k & 30k events - there will be a combined prize purse of €10,000.
Cash prizes for top 5 in each event for male / female.

REGISTER AT 👇👇

https://in.njuko.com/seven-sisters-skyline

Go Visit Donegal Kinnegar Brewing Trail Running Ireland RunIreland.com

03/02/2026

TRAIL RUNNING EVENT OF THE YEAR 2025. 👌💚

We are thrilled to be awarded Trail Running event of the year 2025 at the Inaugural Trail Running Ireland awards.

The event is proudly supported by Fáilte Ireland, highlighting its growing importance as a flagship outdoor and adventure tourism event for Donegal.
The event showcases the region’s rugged beauty while promoting sustainable, community-led tourism, and each year delivers a world-class mountain running experience.

If you’ve never been make 2026 the year !

To celebrate we will be keeping the early discount offer until Feb 15th, so get registered today and see why Seven Susters has the reputation of Ireland premier mountain running event.

Register at 👇👇
https://in.njuko.com/seven-sisters-skyline

Go Visit Donegal Dunlewey Skyrunning UK

29/01/2026

HOW IT ALL BEGAN 🫢

Errigal Car Park - July 22, 2018.
Dunlewey, Donegal 🍀⛰️

WERE YOU THERE 🤔

50 brave souls took on the Seven Sisters Marathon on the inaugural event.
100m after they started they all disappeared into the mist and clouds, and we wondered if they would make it back to us - they all did and the now Iconic Seven Sisters events were established 👊

The 2026 events will be the 9th edition and the 55k will be the Uk - Ireland Skyrunning Championships - boasting a €7500 prize pool.

EARLY BIRD OFFER CLOSES JAN 31st.
includes FREE T- Shirt !

€10k prize fund making this Ireland’s / UK biggest cash prize trail / mountain running event.
For the 55k & 30k events - there will be a combined prize purse of €10,000.
Cash prizes for top 5 in each event for male / female.

Choose from 55k / 30k / 16k - something for everyone.

REGISTER AT 👇👇

https://in.njuko.com/seven-sisters-skyline

RunIreland.com Trail Running Ireland Go Visit Donegal

08/01/2026

Dunlewey, Donegal 🍀⛰️

If you’ve never been to the Seven Sisters, make 2026 the year 🫢

We are delighted to be back in the Skyrunning UK - Ireland series, and will be hosting the National Series Skyrunning Championships with our 55k event - boasting a €7500 prize pool.

Early bird closes Jan 31st.
includes FREE T- Shirt !

€10k prize fund making this Ireland’s / UK biggest cash prize trail / mountain running event.
For the 55k & 30k events - there will be a combined prize purse of €10,000.
Cash prizes for top 5 in each event for male / female.

REGISTER AT 👇👇

https://in.njuko.com/seven-sisters-skyline

RunIreland.com Trail Running Ireland Go Visit Donegal

Seven Sisters Skyline

30/05/2026

30/05/2026

12/05/2026

12/05/2026

13/03/2026

06/03/2026

08/02/2026

03/02/2026

29/01/2026

08/01/2026

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