Ultra Challenge Series
Take on a challenge at your pace and fundraise for Rethink!
Whether along a stunning coastline or on trails through magnificent countryside, you’ll get full support all the way.
With 20 events to choose from, and distance options ranging from 10km up to the full 100km – there’s an Ultra Challenge waiting for you in 2026.
What you'll get
- Inclusive & fun event with a great atmosphere
- 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
- Access to resources to support your fundraising
- Free Rethink Mental Illness t-shirt once you hit £75 raised
- One to One support from the Events team
July
PEAK DISTRICT ULTRA CHALLENGE®
4- 5 JULY 2026
• Walk, Jog, or Run• 100 km, 50km, 25km, 10-mile Options
• Basecamp in Bakewell
• Route through Derbyshire's finest scenery
GOWER PENINSULA ULTRA CHALLENGE®
18-19 JULY 2026
• Walk, Jog, or Run
• 100 km, 50km, 25km, 10km Options
• Set in the stunning Gower Peninsula -famous for its golden beaches, limestone cliffs, wild moors, ridges, and woodlands
SOUTH WEST COAST 50 ULTRA CHALLENGE®
SAT 25 JULY 2026
• Walk, Jog, or Run
• 50km, 25km, 10km Options
• Basecamp at Dunster Castle
• Minehead South West Coastal Path, over to Exmoor with 1600m+ of climb
August
NORTH DOWNS 50 ULTRA CHALLENGE®
SATURDAY 1 AUGUST 2026
• Walk, Jog, or Run
• 50km, 25km, 10km Options
• Guildford Base Camp
• Route takes on the best of the Surrey Hills
LONDON SUMMER WALK
SATURDAY 22 AUGUST 2026
• Walk
• Marathon, 25km, 10km Options
• Woolwich Barracks starting point
• 25km route takes in Greenwich
September - October
SOUTH COAST ULTRA CHALLENGE®
5-6 SEPTEMBER 2026
• Walk, Jog, or Run
• 100 km, ~50km, 25km options
• Eastbourne to Beachy Head, Seven Sisters and along South Downs Way to Brighton
• Then Devil's Dyke to Arundel to end a 100km route
THAMES MOONLIGHT 10
FRIDAY 11 SEPTEMBER
Walk
Start/End Oval Cricket Ground
Passing St Paul’s, Westminster Abbey, Tower Bridge, the London Eye and more
10-mile, 10km Options
THAMES BRIDGES TREK
SATURDAY 12 SEPTEMBER
Central London
Route: Putney Bridge - Tower Bridge
Mid route rest at Oval Cricket Ground
Walking event
25km, 10km options & 16 bridges
THAMES PATH ULTRA CHALLENGE®
Walk, Jog, or Run
100 km, 50km, 25km, 10km Options
Putney Bridge along Towpath to Henley
Through Richmond, Hampton Court, Runnymede, and Windsor
Riverside finish
CHILTERN 50 ULTRA CHALLENGE®
SAT 26 SEPTEMBER 2026
- Chiltern Hills
- Start & End: Henley
- Walk, jog or run
- 50km, 25km & 10km loops
- Looped challenge taking in historic trails, rolling hills and nature reserves, with fantastic views.
KENT DOWNS 50 ULTRA CHALLENGE®
- Kent Downs
- Starting point: Kent Showground, Maidstone
- Walk, jog or run
- 50km, 25km & 10km loops
- Anticlockwise on the North Downs Way to Blue Bell Hill
- Along the Len Valley Walk to the majestic Leeds Castle
LONDON HALLOWEEN WALK
SAT 24 OCTOBER 2026
- Start/End Oval Cricket Ground
- Walk
- Team or individual
- 25km, 10km Options
- Dress up in costumes
Share with your adventure buddy and take on a challenge together!
Questions?
Can't quite find what you're looking for? Email us at events@rethink.org and we ill be happy to help!
