Ultra Challenge series
- Various locations
- Dates throughout 2025
- Registration fee: £7.50 - £37.50
- Fundraising pledge: £100 - £575
Ultra Challenge events are a chance to push yourself in some of the UK's most stunning locations. You can walk, jog or run, and there are different distance options to suit your level of fitness.
Choose your event and sign up on Ultra Challenge's website. Don't forget to select Shelter as the charity you're fundraising for! Every step you take will bring us closer to ending the housing emergency.
Get 25% off the standard registration fee when you sign up to fundraise for Shelter. We also give you a free Shelter T-shirt, fundraising advice and training tips. On the day, you'll get:
free food and drink at regular rest stops
full support, including medics, marshals and massage
a glass of fizz, a T-shirt and a medal when you cross the finish line
London
London Winter Walk
Date: 25 and 26 January 2025
Starting location: The Oval Cricket Ground
Distance options: marathon, half marathon, 10km
Registration fee: £7.50 - £22.50
Fundraising pledge: £150 - £300
Easter 50 Challenge
Date: 12 April 2025
Starting location: Windsor Racecourse
Distance options: 50km, 25km, 10km
Registration fee: £15 - £30
Fundraising pledge: £100 - £375
London Summer Walk
Date: 23 August 2025
Starting location: Woolwich Barracks
Distance options: 50km, 25km, 10km
Registration fee: £15 - £30
Fundraising pledge: £100 - £375
Thames Moonlight 10
Date: 23 August 2025
Starting location: Woolwich Barracks
Distance options: 10 miles or 10km
Registration fee: £15
Fundraising pledge: £150
Thames Bridges Trek
Date: 13 September 2025
Starting location: Putney Bridge
Distance options: 25km or 10km
Registration fee: £15 - £22.50
Fundraising pledge: £100 - £275
South East
North Downs 50 Challenge
Date: 12 July 2025
Starting location: Guildford
Distance options: 50km, 25km, 10km
Registration fee: £15 - £30
Fundraising pledge: £100 - £375
Chiltern 50 Challenge
Date: 27 September 2025
Starting location: Henley
Distance options: 50km, 25km, 10km
Registration fee: £15 - £30
Fundraising pledge: £100 - £375
Kent Downs 50 Challenge
Date: 12 October 2025
Starting location: Maidstone
Distance options: 50km, 25km, 10km
Registration fee: £15 - £30
Fundraising pledge: £100 - £375
Isle of Wight Challenge
Date: 3-4 May 2025
Starting location: Chale
Distance options: 100km, 50km, 25km, 10 miles
Registration fee: £15 - £37.50
Fundraising pledge: £100 - £575
South West
Bath 50 Challenge
Date: 29 March 2025
Starting location: Bath Racecourse
Distance options: 50km, 25km, 10km
Registration fee: £15 - £30
Fundraising pledge: £100 - £375
Cotswold Way Challenge
Date: 21-22 June 2025
Starting location: Cirencester
Distance options: 100km, 75km, 50km, 25km, 10km
Registration fee: £15 - £37.50
Fundraising pledge: £100 - £575
South West Coast 50 Challenge
Date: 2 August 2025
Starting location: Dunster
Distance options: 50km, 25km, 10km
Registration fee: £15 - £30
Fundraising pledge: £100 - £375
Wales
Gower Peninsula Challenge
Date: 19-20 July 2025
Starting location: Penrice Castle
Distance options: 100km, 50km, marathon, 25km, 10km
Registration fee: £15 - £37.50
Fundraising pledge: £100 - £575
Contact us
You can find frequently asked questions on Ultra Challenge's website.
If you have any other questions, please get in touch by emailing running@shelter.org.uk.