Ultra Marathons in the United Kingdom

Conquer the UK’s most challenging ultra marathons. Perfect for experienced runners, these events push boundaries and celebrate ultra-endurance. Save your favourites for 2025 to your watchlist with just one click.

6 Running Events found

May 2025

July 2025

Ultramarathons in the United Kingdom: Challenges for Endurance Athletes

The United Kingdom offers a diverse range of ultramarathon events that are both scenically stunning and physically demanding. These races take runners through breathtaking landscapes, testing their stamina and mental resilience. Here are some of the most remarkable ultramarathons you should consider adding to your running calendar:

Winter Ultramarathons in the UK

Even in the colder months, ultramarathons in the UK provide a unique opportunity to push personal limits and experience stunning winter landscapes.

The Winter Green Man Ultra

The Winter Green Man Ultra in Bristol is a 72 km (45-mile) race that follows the scenic Community Forest Path. The course winds through picturesque forests and rolling hills, offering participants a mix of natural beauty and endurance challenge as they circle the city of Bristol.

Spring Ultramarathons in the UK

As nature awakens in spring, numerous ultramarathons invite runners to explore the blossoming landscapes of the United Kingdom.

D33 Deeside Way Ultra

The D33 Deeside Way Ultra in Aberdeen, Scotland, spans 33 miles (53 km) along the historic Deeside Way. Following the old railway line from Aberdeen to Banchory, this flat and fast route is ideal for those attempting their first ultramarathon.

Beast of the Blacks

The Beast of the Blacks in Llanbedr, Wales, offers multiple distances, including a challenging 40-mile (64 km) course. Runners navigate the stunning yet demanding terrain of the Black Mountains, featuring steep climbs and technical trails.

Beast of the Beacons

Set in the Brecon Beacons National Park, the Beast of the Beacons in Llangynidr, Wales, features a 40-mile (64 km) route through breathtaking scenery. Expect intense ascents, rugged trails, and panoramic views of the Welsh countryside.

Summer Ultramarathons in the UK

Longer days and warmer temperatures provide the perfect conditions for extended ultramarathon adventures.

Rat Race Ultra Tour of Arran

The Rat Race Ultra Tour of Arran is a two-day, 60-mile (97 km) adventure through the diverse landscapes of Scotland’s Isle of Arran. Participants traverse both coastal paths and mountainous terrain, experiencing the island’s raw natural beauty.

Autumn Ultramarathons in the UK

With crisp air and vibrant autumn foliage, this season offers the perfect backdrop for ultramarathons.

The Atlantic Coast Challenge

The Atlantic Coast Challenge is a multi-day ultra trail running event that pushes runners to their limits. Over three days, participants cover up to 78.6 miles (three marathons), traversing some of Britain’s wildest and most breathtaking coastlines. Whether running, walking, or crawling, this race tests mental and physical endurance against the elements.

Share Your Experience!

Have you participated in one of these ultramarathons? Share your experience and rate the event in the Trophy Runners Ultra Running Calendar. Your feedback helps fellow runners find the perfect race and prepare effectively!

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