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
January
LONDON WINTER WALK
SAT 24 or SUN 25 JAN 2026
• Walk
• Full & ½ Marathon & 10km Options
• Sunday Family 5K
• Start/End at Oval Cricket Ground
• Start/End at Oval Cricket Ground
March and April
BATH 50 ULTRA CHALLENGE®
SAT 28 MARCH 2026
• Walk, Jog, or Run
• 50km, ~25km, 10km Options
• Looped routes around & through Bath
• Passing the famous Royal Crescent
WINSDOR 50 ULTRA CHALLENGE®
SAT 18 APRIL 2026
• Walk, Jog, or Run
• 50km, 25km, 10km Options
• Routes through the Great Park, Windsor Castle views, to Runnymede along the Thames Path
May
ISLE OF WIGHT ULTRA CHALLENGE®
2 –3 MAY 2026
• Walk, Jog, or Run• 106km, 50km, 25km, 10-mile Options
• Bank Holiday Weekend challenge
• Coastal Path - Chale, to Southern Cliffs to Cowes; Full Island Challengers go onto Ventnor
JURASSIC COAST ULTRA CHALLENGE®
16-17 MAY 2026
• Walk, Jog, or Run
• 100km, ~50km, ~25km, 10km Options
• Corfe Castle, to Swanage and through Lulworth Cove, past Durdle Door to Weymouth.
• Full 100km Challengers continue to Chesil Beach and West Bay
LONDON 2 BRIGHTON ULTRA CHALLENGE®
23-24 MAY 2026
• Walk, Jog, or Run
• 100km, ~50km, 25km, Options
• Start at Richmond-Upon-Thames
• Full 100km route over South Downs to Brighton
June
LAKE DISTRICT ULTRA CHALLENGE®
6-7 JUNE 2026
• Walk, Jog, or Run• 100km, 50km, 25km, Options
• Basecamp in Kendal
• Route through Ambleside, halfway point of 100km at Lake Windermere
COTSWOLD WAY ULTRA CHALLENGE®
13-14 JUNE 2026
• Walk, Jog, or Run
• 100 km, 50km, 25km, 10km Options
• Cirencester basecamp
• Rolling hills, villages, footpaths &
stunning views
NORTH YORKS ULTRA CHALLENGE®
23-24 MAY 2026
• Walk, Jog, or Run
• 100km, 50km, 25km, 10-mile Options
• Basecamp in Scarborough
• Cleveland Way, Robin Hood Bay and Whitby
• Full 100km challenge along Esk Valley through moorland
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®
12-13 SEPTEMBER
- 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®
SAT 10 OCTOBER 2026
- 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!
