Ultra Marathon Events Across the UK - Find Your Next 50K to 100-Mile Challenge

A marathon is 42.2km (26.2 miles). An ultra marathon is anything longer — typically 50K, 100K, 100 miles, or multi-day events. Ultras require significantly more training, pacing strategy, and mental preparation than marathons.

Start by running a marathon if you haven't already. Build your weekly mileage gradually over 16-20 weeks. Practice long runs on the terrain you'll race on. Work on nutrition and hydration strategies during training. Consider doing a recce (practice run) of the course if possible. Join an ultra running community for support and advice.

A 50K is the most common first ultra distance. It's challenging but achievable for experienced marathon runners with proper training. Some runners jump straight to 100K or 100 miles, but 50K is a good stepping stone to understand what ultra running demands.

Essentials include: trail running shoes, moisture-wicking clothing, a hydration pack or handheld bottle, energy gels/bars/real food, electrolyte drinks, a headlamp (for early morning/evening races), a map or GPS watch, and any mandatory kit specified by the event. Check your specific event's requirements.

Break the race into smaller segments rather than thinking about the full distance. Have a solid nutrition and hydration plan. Use positive self-talk and mental strategies. Enjoy the scenery and the experience. Remember why you signed up. Many ultra runners find the mental challenge more rewarding than the physical one.

es! Many 50K events cater to first-time ultra runners. Look for well-supported events with aid stations, clear course markings, and a supportive community. Check the event details for difficulty ratings. Start with a 50K and work your way up to longer distances.

Simply click on the event you're interested in above and follow the registration link. Most events allow online registration. Popular ultras can fill up quickly (especially 100-milers), so we recommend registering early. Some events have lottery systems due to high demand.