Ultra Running Events Across the UK

Ultra marathons are the ultimate test of endurance, grit, and mental strength. Covering any distance beyond the standard 26.2 miles, these events range from 50K trail runs to 100-mile challenges, and sometimes even further. 

Upcoming Ultra Races in the UK

Explore our calendar of Ultra running events happening throughout the UK. Whether you’re chasing personal limits or want to explore incredible landscapes, ultras offer an unforgettable journey.

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Trail Ultra
Inverness, UK

Ultra X Scotland

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Ultra
Carlisle, UK

The Wall UK Ultramarathon

What is a Ultra Running?

Ultra running is any race longer than the standard marathon distance of 26.2 miles (42.2km). Distances vary widely, from 50K (31 miles) to 100 miles and beyond. These races often demand careful pacing, nutrition, and mental strength, as the focus shifts from speed to endurance and strategy.

 

Many ultra events take place on trails, mountains, and scenic routes, offering runners the chance to experience nature while testing their limits.

Types of Trail Events

50K Ultra

The entry point for many ultra runners. At around 31 miles, it’s only slightly longer than a marathon but gives a taste of the ultra world.

 

50 Mile Ultra

A significant step up in distance and mental toughness, often set on trail routes.

 

100K Ultra

Around 62 miles, combining endurance with challenging terrain, often taking most of a day to complete.

 

100 Mile Ultra

The iconic ultra challenge, testing runners over extreme distances and usually through day and night.

 

Multi-Day Ultras

Stage races spread across several days, where runners cover long distances daily and recover in between.

 

Trail & Mountain Ultras

Popular in the UK, offering stunning views and technical terrain alongside the physical test.

Why Run an Ultra?

  • Adventure & Scenery – Many ultras take place on stunning trails, mountains, and coastlines.
  • Mental Challenge – Ultras test more than just physical fitness — they build resilience and determination.
  • Community Spirit – Ultra runners share a unique bond, with supportive events and camaraderie on the trails.
  • Personal Achievement – Crossing an ultra finish line is an accomplishment like no other.

Frequently Asked Questions

What distance is considered an ultra marathon?
An ultra marathon is any race longer than the standard marathon distance of 26.2 miles (42.2km). Common distances include 50K, 50 miles, 100K, and 100 miles, though some events go even further.

 

Do you have to be an elite runner to complete an ultra?
Not at all. Many ultra marathons welcome beginners, with generous cut-off times that allow for walking breaks. With the right training and pacing strategy, dedicated runners of all levels can complete an ultra.

 

What’s the difference between road ultras and trail ultras?
Road ultras are usually flatter and faster, focusing on long endurance. Trail ultras often involve hills, mountains, or technical terrain, making them slower but more scenic and adventurous.

 

How do you train for an ultra marathon?
Ultra training typically involves gradually increasing your weekly mileage, adding back-to-back long runs, practising nutrition, and building mental resilience. Many runners also train on trails to prepare for varied terrain.

 

What do you eat during an ultra marathon?
Fueling is a huge part of ultra running. Runners often use a mix of energy gels, electrolyte drinks, and real food such as bananas, sandwiches, or energy bars. Aid stations usually provide a variety of options.

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