Running

Looking for a challenge – to test yourself, to get in shape, or bond with friends on a weekend adventure? If so, an Ultra Challenge®is for you – and you don’t need to be a budding elite athlete – they’re for everyone, take it on at your pace!

Walk, Jog or Run at YOUR pace on the Ultra Challenge Series event of your choice. Join 35,000 others of all ages & take on an unforgettable Challenge in 2025! It will be rewarding, fun, and absolutely achievable with your resolve and determination alongside first class support. There's regular rest stops with free food & drink, a fully signed route, and a great atmosphere.

View the full list of Ultra Challenges based all over the UK and sign up today.


Remember to choose the Marine Conservation Society as your charity to help us work towards a cleaner, better protected, healthier ocean!

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Push yourself further – and take on a 10km, 25km, 50km 75km or even a 100km Ultra Challenge in 2025!

What you'll get:

  • Sign up from £10
  • Inclusive & fun event with a great atmosphere and camaraderie
  • Choose your distance, from 10km to 100km
  • Walk, jog, or run – it’s your challenge, your way!
  • A fully signed route, with a team of ‘Trekmasters’ out on the trail with you
  • Regular covered rest stops, with free food & drink, massages and medics
  • An epic finish line moment, with a glass of fizz, medal and t-shirt
  • Camping, transfer and parking options to make getting there & away easy
  • Full fundraising support, and a choice of fundraising options

Help us take steps to restore the health of the ocean whilst taking steps to complete your challenge.

Sign up for an Ultra Challenge today