

About the event
Set for May 25, 2025, the UK Ultra South Downs 100km invites participants to take on a rigorous 100-kilometer journey with an elevation gain of 2,458 meters across the iconic South Downs Way. Organized by UK Ultra, the course offers a mix of steep ascents, technical descents, and breathtaking views, making it an ideal challenge for experienced ultrarunners. Starting in the picturesque South Downs, the race provides a blend of natural beauty and physical demands, pushing participants to their limits in one of the UK’s most scenic trail settings. With full race support, including aid stations and safety measures, this event promises a challenging yet rewarding ultra-marathon experience.
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Take your running to the next level
The UK Ultra South Downs 100km, taking place on May 25, 2025, challenges runners with a 100-kilometer course featuring a significant elevation gain of 2,458 meters. Organized by UK Ultra, this race navigates the scenic and demanding trails of the South Downs Way, offering a test of endurance amidst stunning landscapes.
If you are an official race organiser with any questions about this page, please get in touch: races@runna.com
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