XTERRA Snowdonia Trail Marathon 2025

• Challenging Scenic Course: Explore trails in Eryri (Snowdonia) National Park, featuring iconic spots like Rhyd Ddu and Yr Wyddfa (Snowdon).

• Variety of Distances: Choose from 10k, Half Marathon, Marathon, and Ultra Marathon options.

• Global Championship Series: Part of the XTERRA Trail Run World Series with UTMB-indexed Marathon and Ultra Marathon races.

• Safety and Logistics: Mandatory safety gear required; online registration only; multiple aid stations available.

• Event Location and Support: Based in Llanberis with an event village providing maps and detailed instructions.

The XTERRA Snowdonia Trail Marathon Eryri is an exceptional trail running experience that leads participants through the breathtaking landscapes of Eryri (Snowdonia) National Park in Wales. Spanning a challenging 27.3 miles, the course is renowned for its 1,685 meters of elevation gain, guiding runners over diverse terrains around and up the iconic Yr Wyddfa (Snowdon), the highest peak in Wales. Along the route, runners pass through picturesque locations such as Rhyd Ddu, Beddgelert, Nant Gwynant, Pen y Pass, before descending via the Llanberis Path.

What sets this marathon apart is its status as part of the prestigious XTERRA Trail Run World Series and its designation as the XTERRA Trail Run World Championship for 2025. Participants are treated to awe-inspiring panoramic views and experience some of the most strenuous climbs in UK trail running. The atmosphere of the event is vibrant, featuring a bustling event village with live music, commentary, an array of food vendors, and shopping opportunities, all catering to a family-friendly audience. The race also stands as a UTMB-indexed event, ensuring its recognition amongst the global trail running community.

Beyond the competition, the XTERRA Snowdonia Trail Marathon embodies community spirit and a love for the outdoors. It offers additional events such as a 10K Trail Run and a 57K Ultra Marathon, inviting runners of various levels to join in the adventure. With its scenic beauty and rigorous course, this marathon is a truly memorable event for any trail running enthusiast.

For the XTERRA Snowdonia Trail Marathon in Llanberis, Gwynedd, United Kingdom in mid-July, expect temperatures between 52-63°F (11-17°C). Conditions may include light rain and breezy winds, with high humidity especially in the mornings and evenings. With over 16 hours of daylight, runners can enjoy extended visibility on this challenging course.

The XTERRA Snowdonia Trail Marathon Eryri offers an exhilarating adventure through the awe-inspiring landscapes of Eryri National Park in Wales. Spanning approximately 27 miles (44 kilometers) with an elevation gain of 1,685 meters, this marathon is a true test of endurance and skill.

Runners navigate iconic trails that wind through the park's valleys and ascend its majestic mountains, with terrain that varies from rugged to steep and technical. The highlight is the ascent to Wales' highest peak, Yr Wyddfa (Snowdon), via the demanding PyG Track, and the descent along the Llanberis Path. Key landmarks along the route include Rhyd Ddu, Beddgelert, Nant Gwynant, and Pen y Pass, each offering its own unique beauty.

Participants face the race's challenges head-on, from steep climbs and technical paths to the ever-changing weather conditions. Yet, the reward is unmatched: breathtaking panoramic views, including the possibility of glimpsing the Irish Sea on clear days. This race is not just a marathon; it's an unforgettable journey through one of the most scenic courses on the XTERRA circuit.

With staged cut-off times ensuring safety at strategic points, the XTERRA Snowdonia Trail Marathon Eryri is a premier event for trail running enthusiasts seeking a unique and demanding experience.

Visiting Llanberis in Gwynedd for the XTERRA Snowdonia Trail Marathon provides the perfect opportunity to delve into the natural beauty and rich culture of this Welsh gem. Beyond the race, Llanberis offers a wealth of attractions that are sure to captivate any traveler.

Start your exploration at the National Slate Museum, where you can step back in time and learn about Wales' storied slate industry through engaging workshops and demonstrations. For a scenic adventure, hop on the Llanberis Lake Railway to enjoy breathtaking views of Llyn Padarn and the surrounding mountains. History enthusiasts will appreciate a visit to Dolbadarn Castle, where panoramic vistas of the landscape await. Don't miss the enchanting Llanberis Falls, though remember that swimming in the plunge pools is prohibited.

For those craving more outdoor experiences, Llanberis is a prime destination. Take on the challenge of hiking Yr Wyddfa (Snowdon), Wales' highest peak, or explore the stunning trails of Eryri National Park. The village itself is a hub for outdoor activities, offering opportunities for hiking and rowing on Llyn Padarn. Immerse yourself in Welsh culture by visiting local cafes and businesses, and enjoy the vibrant atmosphere of the event village, which offers family-friendly activities, live music, and more. By extending your stay, you can fully embrace both the exhilarating outdoor adventures and the cultural richness Llanberis has to offer.