Logo

Welsh 3000’s Ultra Run

Llanberis, United Kingdom • 12 Sep 2026

Welsh 3000's Ultra Run is a guided mountain day in Snowdonia, North Wales, organized by Adventure Awaits. The route covers the 15 Welsh 3,000ft peaks across Snowdon, Carneddau and Glyderau, including the Crib Goch traverse. The course runs about 30 miles (50 km) with around 4,000 m of ascent.

It is a non-competitive, guided challenge suitable for runners who have completed marathon distance. The package includes transport to the start, a qualified mountain guide, a support vehicle, and premium hot and cold food stations. Booking opens 4 July 2025 and closes 4 September 2026; minimum age 18; booking fee £170.

Event date: Saturday 12 September 2026. Visit the organization's website for the most recent information.

United Kingdom Wales Llanberis

Race information

Website Registration
50 km
4000 m+
30 mi
4000 m+
30 Miles
Visit the organization's website for the most recent information.
Trail runs nearby

Montane Dragon's Back Race

Conwy - 16 mi from Llanberis

Dragon’s Back Race® is a legendary six-day, multi-stage ultra running journey along the spine of Wales. The Full Dragon covers about 380km with 16,400m of ascent, starting at Conwy Castle and finishing at Cardiff Castle. Run every September, the route traverses dramatic Welsh terrain across six days..

UTMB Index

Yr Wyddfa Ultra 100

Betws-y-Coed - 13 mi from Llanberis

The Yr Wyddfa Ultra 100 is a challenging 102-mile ultramarathon held in Snowdonia National Park, Wales, featuring 5,788 meters of ascent across stunning mountainous terrain. The race starts and finishes in Betws-y-Coed and includes 10 well-supported checkpoints offering refreshments and medical aid...

RunThrough Snowdonia Sea2Sky

Barmouth - 27 mi from Llanberis

RunThrough Snowdonia Sea2Sky 53k & 25k Trail Races, a brand-new RunThrough event set in Snowdonia, takes place on Saturday, 6 September 2025 in Barmouth. Runners can choose between 25k and 53k trail distances, designed to challenge participants on scenic routes with amazing views. The course is mars..

UTMB Index

Yr Wyddfa Ultra 50

Betws-y-Coed - 13 mi from Llanberis

Yr Wyddfa Ultra 50 is a 45-mile mountain ultramarathon in Snowdonia National Park (Eryri), with around 3,254 metres of ascent and space for up to 500 entrants. The route starts and finishes at Cae Llan/Village Green, Betws-y-Coed, following the Snowdonia Slate Trail from the Swallow Falls area up to..

UTMB Index

2 Hillforts Hill Race

Denbigh - 29 mi from Llanberis

The 2 Hillforts Hill Race is an exciting running event set to take place in 2024, starting and finishing at Plas Dolben Farm in Llangynhafal. Participants will tackle a challenging course that spans just under 9 miles, featuring a significant ascent of 2500 feet as it navigates the scenic Hillforts..

Snowdonia Mountain Skills Weekend

Caernarfon - 6 mi from Llanberis

The Snowdonia Mountain Skills Weekend 2025 is a trail running event held in the Nantlle Valley within Snowdonia National Park, UK. Hosted by Running Adventures, the weekend focuses on advanced trail runners aiming to enhance their mountain running skills and safety knowledge. Participants experience..