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Ultra Challenges Series 2023

  April 1, 2023     Across the UK

Team Addenbrooke’s! Calling keen walkers/runners – these are the challenges for you!

Are you a regular walker and new to endurance events? Perhaps a seasoned trekker looking for testing adventures? Or even a marathon runner wanting to ‘up’ your distance? Whether it’s along the magnificent coastal scenery, or in stunning open countryside, there’s an Ultra Challenge for you.

Walk, Jog or Run at YOUR pace on the Ultra Challenge Series event of your choice. Join 30,000 others in 2023 of all ages and experience for an unforgettable challenge. It will be rewarding, fun, and absolutely achievable with your resolve and determination alongside first-class support. Push yourself further – 100km Full Challenge, with Half & Quarter options also available.

Choose your challenge:

    • Easter 50 Challenge – 1 April 2023
    • Isle of Wight Challenge – 29 April – 30 April 2023
    • Jurassic Coast Challenge – 13 – 14 May 2023
    • London 2 Brighton Challenge – 27 – 28 May 2023
    • Lake District Challenge – 10 – 11 June 2023
    • Cotswold Way Challenge – 24 – 25 June 2023
    • Peak District Challenge – 8 – 9 July 2023
    • South Coast Challenge – 2 – 3 September 2023
    • Thames Path Challenge – 9 – 10 September 2023
    • Thames Bridges Trek – 9 September 2023

Choose your funding option:

Option 1: Self-funding (pay for your place, no fundraising target – you can raise if you like for charity)

Option 2: Sponsorship for charity (pay a small registration fee & fundraise for a charity of your choice)

Option 3: Mixed funding for charity (pay half of your place & fundraise a smaller target for charity)

You will need to reach 50% of your fundraising target at least 6 weeks before the event in order to confirm your place. Our friendly fundraising team is on hand to help you reach your goal with plenty of fundraising support throughout your journey. We would love to hear from you, so please get in touch with the fundraising team if you have any questions, we are here and happy to help!

For more information about any of the challenges visit  or contact the ACT team on email

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