woman walking on green grass field

Ultra-Trail Snowdonia by UTMB 56K

56K·Llanberis, United Kingdom
ultra100 mile100k50kmountaintechnicaltrailqualifier

Photo by Massimo Sartirana on Unsplash

Distance56K
Date15 May 2026

About This Race

The 56K represents the sweet spot for runners seeking a substantial mountain challenge without the multi-day recovery demands of the longer distances. This distance tests your ability to maintain focus and form across Snowdonia's technical terrain for 6-8 hours, requiring solid descending skills and tactical pacing through the rolling Welsh highlands. It suits experienced trail runners looking to step up from marathon distances or ultra veterans wanting a fierce but manageable test of their mountain running credentials.

Practical Info

Weather

Variable mountain conditions typical of North Wales in May, with potential for rain, wind, and temperature changes with elevation

Nearest Airport

MAN - Manchester Airport

Accommodation

Llanberis offers various accommodation options from B&Bs to hotels, with additional lodging available in nearby Snowdonia villages

Best For

experienced trail runnersultra runnersmountain runners

Notable Features

As part of the UTMB World Series, this race maintains the highest standards of organization and course design. The event showcases the dramatic landscapes of Snowdonia National Park through technical single track that demands both fitness and technical skill. The multi-day format creates a festival atmosphere in the historic mountain town of Llanberis, complete with family activities including the ERYRI MINI kids' race.