Ultra Challenge Series

Are you a keen walker or runner looking for a challenge? Perhaps you want to get in shape and re-energise. If so, these events are for you! Whether it’s along a stunning coastline, or on trails in the best of Britain’s countryside, your Ultra Challenge® will be unforgettable – with full support, new friends made, and an amazing sense of achievement.

The 16 unique events make up the UK’s biggest & best series of treks & runs. Whichever challenge you choose, and whether you take on 10 km, 25 km, 50 km, or 100 km, you’ll get full support so you can set a new goal, enjoy the great British outdoors, and push yourself further on a high-quality inspirational event.

All the events listed take place in 2026. To find out more about the challenges and register please select the event below. When you register, if you select charity sponsorship or mixed funding make sure you select us from the list of charities.