London 100: The Ultimate Urban Adventure! 🏃‍♂️🏙️

Mark your calendars for Saturday, 9 May 2026! 🌟 London 100 invites you to experience the city's longest running event—a thrilling 100km ultramarathon through the heart of London!

Start and finish at our central London HQ, and take in 100+ iconic landmarks along the route. Whether you're a seasoned runner or just looking for a challenge, this event is perfect for all!

Event Details:

• Distance Options:
  • London 100: 100km ultramarathon
  • London 50: 50km ultramarathon
  • London 25: 25km Central London run

Join us for an unforgettable running journey! We're committed to supporting you every step of the way—and we’re in it for the long run! 💪

Location: Action for Southern Africa, Vauxhall Bridge Road, London, SW1P 1JQ, United Kingdom
Register here: London 100 Registration

Can’t wait to see you there! 🥳🎉