With tough ‘continuous’ 100 km challenges, a 2 day ‘Daylight’ 100 km option with camping at half way, testing 50km Half & 25km Quarter distance challenges, and a few 10K taster events–there’s an Ultra Challenge for everyone to push themselves further! With 15 events to choose from ranging from costal paths, lakesides, well-trodden footpaths & some tough hills there really no excuse not to join an Ultra Challenge for 2023!


  • Peak District Ultra Challenge (8-9 July 2023)

  • North Downs 50 Ultra Challenge (22 July 2023)

  • South West Coast 50 Ultra Challenge (5 August 2023)

  • London Summer Walk (26 August 2023)

  • South Coast Ultra Challenge (2-3 September 2023)

  • Thames Moonlight 10 Walk (8 September 2023)

  • Thames Path Ultra Challenge (9-10 September 2023)

  • Thames Bridges Trek (9 September 2023)

  • Chiltern 50 Ultra Challenge (23 September 2023)

  • Halloween Walk (28 October 2023)

  • London Winter Walk (27-28 January 2024)


If you would like to find out more information about taking on any of the Ultra Challenge Series events in support of Petals, please email our events team at events@petalscharity.org.  The team will be there to answer any questions, help with registration and be there to support you throughout your challenge.

REGISTER YOUR PLACE – Remember to select Petals as your chosen charity when registering! 


If you have any questions please contact our Events team on 07513 701786 or email events@petalscharity.org

Join #TeamPetals and you will receive:


  •  #TeamPetals technical running top

  • Support with fundraising to help you hit your target.

  • Medal, T shirt, glass of bubbly on completion

  • Fully signed route

  • Regular rest stops

  • Medics, marshals, and massage


Register now for the 2023 Challenge on 9th September


Join us for the 2023 Challenge this 9th-10th September

“Such a wonderful event in the beautiful Royal Parks to support this incredible charity. Without Petals I honestly don’t know where I’d be. Petals are an actual lifeline for bereaved parents and we thank you from the bottom of our hearts for the kind compassionate support you have provided xx”

Áine - Petals Client, Fundraiser & Runner