A group of hikers, taking part in the Isle of Wight Ultra Challenge.

Ultra Challenge Series 2025

19 great events in 2025.

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! Whether along stunning coastlines, or trails through wonderful countryside, your Ultra Challenge® will be unforgettable – with full support all the way, camaraderie, an amazing sense of achievement, and all in support of Blue Cross.

A logo for Ultra Challenge Series events.

Walk, Jog or Run at YOUR pace on the Ultra Challenge Series event of your choice. Join 35,000 others of all ages and 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 and drink, a fully signed route, and a great atmosphere.

As Blue Cross is an official partner on the 2025 Ultra Challenge Series, you get a 25% discount on the ‘Full Sponsorship’ registration fee when signing up to support us.

View challenges and sign up

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 and 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 and away easy
  • Full fundraising support, and a choice of fundraising options

Challenges for 2025

Date: 25 and 26 January

Distance options: 25km and 10km

Registration fee: From £20

Sponsorship: From £100 

Sign up for London Winter Walk

Date: 29 March

Distance options: 50km, 25km and 10km

Registration fee: From £20

Sponsorship: From £100

Sign up for Bath 50

Date: 12 April

Distance options: 50km, 25km and 10km

Registration fee: From £20

Sponsorship: From £100

Sign up for Easter 50

Date: 3 and 4 May

Distance options: 100km, 75km, 50km, 25km and 10km 

Registration fee: From £20

Sponsorship: From £100

Sign up for Isle of Wight

Date: 17 and 18 May

Distance options: 100km, 75km, 50km, 25km and 10km 

Registration fee: From £20

Sponsorship: From £100

Sign up for Jurassic Coast

Date: 24 and 25 May

Distance options: 100km, 75km, 50km, 25km and 10km 

Registration fee: From £20

Sponsorship: From £100

Sign up for London 2 Brighton

Date: 7 and 8 June

Distance options: 100km, 75km, 50km, 25km and 10km 

Registration fee: From £20

Sponsorship: From £100

Sign up for Lake District

Date: 21 and 22 June

Distance options: 100km, 75km, 50km, 25km and 10km 

Registration fee: From £20

Sponsorship: From £100

Sign up for Cotswold Way

Date: 28 and 29 June

Distance options: 100km, 75km, 50km, 25km and 10km 

Registration fee: From £20

Sponsorship: From £100

Sign up for Peak District

Date: 12 July

Distance options: 50km, 25km and 10km 

Registration fee: From £20

Sponsorship: From £100

Sign up for North Downs 50

Date: 19 and 20 July

Distance options: 100km, 75km, 50km, 25km and 10km 

Registration fee: From £20

Sponsorship: From £100

Sign up for Gower Peninsula

Date: 2 August

Distance options: 50km, 25km and 10km

Registration fee: From £20

Sponsorship: From £100

Sign up for South West Coast 50

Date: 23 August

Distance options: 50km, 25km and 10km (walking only)

Registration fee: From £20

Sponsorship: From £100

Sign up for London Summer Walk

Date: 6 and 7 September

Distance options: 100km, 75km, 50km, 25km and 10km 

Registration fee: From £20

Sponsorship: From £100

Sign up for South Coast

Date: 13 and 14 September

Distance options: 100km, 75km, 50km, 25km and 10km 

Registration fee: From £20

Sponsorship: From £100

Sign up for Thames Path

Date: 13 September

Distance options: 25km and 10km (walking only)

Registration fee: From £20

Sponsorship: From £100

Sign up for Thames Bridge

Date: 12 September

Distance options: 10km (walking only)

Registration fee: From £20

Sponsorship: From £100

Sign up for Thames Moonlight 10 Walk

Date: 27 September

Distance options: 50km, 25km and 10km

Registration fee: From £20

Sponsorship: From £100

Sign up for Chiltern 50

Date: 11 October

Distance options: 50km, 25km and 10km

Registration fee: From £20

Sponsorship: From £100

Sign up for Kent Downs 50