Thames Bridges Trek
Sat 12 Sept 2026
- London - Thames
- Putney Bridge - Tower Bridge
- 25 km & 16 Bridges
- 'Thames 10K' option
- Walk Only
- Southwark Park Finish
- Snacks & Drinks
- Picnic Finish
- Medal
- T Shirt
Join 2500 walkers and trek 25 km across the Capital with unrivalled views of the skyline & landmarks. From a Putney Bridge start it’s East towards the City, zig-zagging over 16 historic bridges, each with a fascinating story – and a mid-point rest stop at The Oval Cricket Ground for snacks & drinks. 25 km later, beyond the majestic Tower Bridge, it’s a party style finish line celebration & afternoon picnic in Southwark Park.
+ THAMES 10K Option - Oval Cricket Ground Start!
The Ultra Challenge Experience
Endurance events for a wide range of fitness & ages. Choose your Challenge – do it at your pace, and there’re 18 events in the Series. Our support enables you to go further, whilst enjoying the great outdoors & camaraderie. There’re marquee rest stops, lots of food & drink, medical & massage teams, with a fully signed route & GPS tracking to guide you. A big finish-line celebration awaits with an amazing sense of achievement, and once the aches subside you’ll feel energised, and up for more of life’s real challenges!
Good preparation & smart planning are key to successfully completing an Ultra Challenge. From the moment you sign up you’ll have access to our Challenge App, with training guides, optional training walks & runs, maps, on the day info, and online forums. We will also keep you updated with any news & challenge updates via notifications through the app and emails.
Keeping you well fed & hydrated is key to getting you across that finish line successfully & safely. Whichever distance you are signed up every meal and snack stop is included in your entry so you can expect:
- Regular snack stops every 12.5 km
- Meal/food every 25 km
- Hot drinks, water & energy drinks at all stops
- We cater for every dietary requirement
- Finishers picnic
We have Rest Stops every 12.5 km or so with ‘major’ ones at ~25/50/75/100 km. Our Rest Stops are like no others – along side a large medical area and catering services, they are all covered infrastructure (to keep you out of the sun or rain!). Here you will be able to sit down and put your feet up & use any of the facilities (toilets, medics, changing rooms, rest areas, baggage pick up). Manned by our team to help with any query or questions you have!
There are pink arrows to guide you, distance markers, hazard signs, and a route map in the App. Our ‘Trek Masters’ will walk the route offering support & that nobody has to walk solo. Our chip timing system enables our Control Room, and your friends / family, to track your progress through the Rest Stops.
NEW for 2025 – a brand-new time tracking website coming soon – so friends & family can follow you in real time every step of the way!
Keeping you safe and healthy is our upmost priority. We have a vast, experienced team of Doctors, Paramedics, First Aiders, Podiatrists and Masseuses available and on hand at every Rest Stop (as well as roaming the route). You will also have access to a ‘self help’ area at every stop with blister plasters, talcum powder & more should you just need tape yourself up!
We don’t ever want you to forget that moment you reached your goal and crossed over the finish line – our Cheer Squad will ensure that you don’t! You will be given a medal, finisher’s t-shirt, glass of fizz and a photo finish! You can then make the most of your finisher’s meal & enjoy a well earned sit down and rest.
Looking for a great event for your team without all the hassle, risk, or costs of organising it? These events are the PERFECT solution – and we had over 300 company teams joining us in 2025.
Your Team will be energised, exercised, bonded & motivated on a fun, accessible, safe, high quality outdoors event. With optional hospitality packages available – make an Ultra Challenge® your company’s special event & maybe support your charity of the year.
FIND OUT MORE >>
Get in Touch:
corporate@ultrachallenge.com
Your Challenge,
Your Way!
Whether you’re a walker and new to challenge events, a regular hiker, or someone who just wants a great day out in one of the world’s finest cities, the Thames Bridges Trek is for you! Walk at your pace, as an Individual or as a Team of friends, family or colleagues – and for a charity of your choice or just for you!
The Thames Bridges Trek is fun, safe, and rewarding – with full support all the way; enjoy the best of London, its landmarks, 16 historic bridges, and a friendly welcoming atmosphere!
25 km – flat route, as it follows the Thames! Heads East through the city – and crosses 16 historic bridges – from Putney Bridge to Tower Bridge! Halfway rest stop with snacks & drinks at The Oval Cricket Ground
Start location: Bishops Park, Fulham
Start times: 10:00 – 12:00
Finish location: Southwark Park, East/ Central London
Finish times: 4 – 7 hrs (any finishers coming in before on a jogging/ running time will be disqualified)
10 km & flat! Walking only.
Start – The Oval Cricket Ground (easy to get to). Tea. coffee, snacks.
Start Time – 10.30 – 11.00 am Saturday 13th Sept
Route – follow the arrows! Crosses Millennium Bridge, Southwark Bridge, London Bridge and Tower Bridge.
Finish – Southwark Park, with a great atmosphere, celebration, medal, T-shirt, glass of fizz – and a picnic lunch.
Transport – good Tube links, both ends.
VIEW 10K ROUTE >>
Our rest stops & finish line are fully supported with toilets, medics, event managers, crew & covered seating areas.
- 12.5 km (The Oval Cricket Ground) – pastries, fruit, snacks, & hot drinks
- 25 km – finishers picnic
- There is no official parking at the start/ rest stops or finish line.
- Good public transport options are available at each location.
- Nearest tube station for the 25km start – Putney Bridge (District Line).
- Nearest tube station for the 10km start – Oval or Vauxhall.
- Nearest tube station for finish – Bermondsey, Canada Water, Surrey Quays.
Please note this challenge is a ‘walk/ trek / hike’ only – NO running / jogging allowed.
new year deal 🎉
Sign Up for Just £10!
+ FREE Virtual Challenge
& Buy Now, Pay Later Option
Ends 31January ’26
How to Join
2026 Registration Open
Do it for yourself & JUST Self Fund
Pay for your event place in full, with no charity involvement. Prices vary by distance – sign up & pay online today!
Do it & support a charity of your choice
Pay a Registration Fee and then commit to fundraise / get sponsorship for your Charity. 3 Options are available.
event
FACTSHEET
All you need to know about the Challenge & how you can take it on. Print it off - or send it to your friends!
Check out
the routes & maps
Corporate Teams
Looking for an event to get your team energised - download our information sheet.
Also part of the Thames Bridges Festival
Fri pm 11 Sept
Thames Moonlight 10 Walk is a fun 10km or 10 mile looped route with a start at The Oval. There’s hot food – ideal for groups & teams for a fun Friday evening.
Sat 12 Sept
25 km , 50 km, or 100 km options stretching from Putney Bridge to Henley-on-Thames. Walk, jog or run along this stunning route with full support all the way.
Sun 13 Sept
Take on 10K with a riverside start / finish. A beautiful route as a walk, jog or run at your pace. Families & teams are welcome + there’s a finishers BBQ option.
Introducing the new club
CHOOSE YOUR CHARITY
NEW YEAR DEAL ON – SAVE ££
Our SERIES PARTNERS are some of the UK’s major charities. Fundraise for a Series Partners and it’s 75% OFF the standard ‘Full Sponsorship For Charity Option’ Reg Fees’ with our New Year Deal.
We also have 100 or so ‘ASSOCIATE’ PARTNERS with 62.5% OFF standard Full Sponsorship Reg Fees with our New Year Deal.
And there are also 500+ other ‘Listed’ Charities that you can choose to support with 50% OFF Full Sponsorship Reg Fees with our New Year Deal!
USE DISCOUNT CODE BELOW AT CHECKOUT FOR NEW YEAR DEAL:
HELLO2026
SCROLL DOWN FOR LISTINGS…
_____________________________________
SERIES PARTNERS
New Year Deal...
75% OFF REG FEE
ALL OTHER CHARITIES INVOLVED
New Year Deal
- 50% OFF REG FEE
Birmingham Dogs Home
Born Free Foundation
Canine Partners
Dogs for Autism
Dogs Trust
Ferne Animal Sanctuary
Foal Farm Animal Rescue (Friends of Animals League)
Healing Paws Animal Rescue
Helping Rhinos
Many Tears Animal Rescue
National Animal Welfare Trust Bedfordshire
PetSavers
Rabbit Welfare Fund
Raystede Centre for Animal Welfare
RSPCA Isle of Wight
Sarah Ayoka Oduwaiye Foundation (SAOF)
Save the Rhino International
Stokenchurch Dog Rescue
StreetVet
Sussex Wildlife Trust
The Cotswolds Dogs & Cats Home
The Mammal Society
The Pack Project
The Wildheart Trust
Viva!
Wadars Animal Rescue
Wildlife Vets International
Abby’s Heroes
Action Bladder Cancer UK
Action Kidney Cancer
Against Breast Cancer
Alfie’s Wish
AMMF – The Cholangiocarcinoma Charity
Brain Tumour Research Campaign
Brainstrust
Cancer Research Wales
CoppaFeel!
Cyclists Fighting Cancer
DKMS UK
Dragonfly Cancer Trust
Ellen MacArthur Cancer Trust
Exeter Leukaemia Fund
Future Dreams Breast Cancer Charity
Guy’s Cancer Charity
HASAG Asbestos Disease Support
Heartburn Cancer UK
Hope for Tomorrow
Lennox Children’s Cancer Fund
Leukaemia Busters
Lingen Davies Cancer Fund
Lymphoma Action
Maggie’s
Make 2nds Count
Melanoma Focus
Menopause and Cancer
Meredith’s Mission
Mesothelioma UK CIO
Myeloma UK
Neuroendocrine Cancer UK
North West Cancer Research
Ocular Melanoma UK
Ovacome
Paul Strickland Scanner Centre
PLANETS Cancer Charity
Prevent Breast Cancer
Roy Castle Lung Cancer Foundation
Shine Cancer Support
SKCIN – Skin Cancer UK Charity
Solving Kids’ Cancer UK
Target Ovarian Cancer
Team Verrico
Teens Unite Fighting Cancer
The Christie Charity
The Dorset Cancer Care Foundation
The Inflammatory Breast Cancer Network UK
The James Anthony Foundation
The Prostate Project
The Robin Cancer Trust
The Urology Foundation
The Wight Brainy Bunch
Trekstock
Walk the Walk
We Hear You
Wolo Foundation
World Cancer Research Fund
Young Tongues
ABC Book Club
Abigail’s
Able Child
ACCT UK
Action for Children
Adoption UK
AFASIC
AFK Charity
Ambition Aspire Achieve
Amy Winehouse Foundation
Andover and District Mencap
Arc
AT Society
Auditory Verbal UK
Barnardo’s
Barnet Mencap
Become Charity
Berkshire Youth
BOSP (Brighter Opportunities for Special People)
Bright Futures UK
Brodys Trust
Cardiac Risk in the Young
CASPA
Challengers
Chance for Childhood
Cherry Trees
Child Brain Injury Trust (CBIT)
Children’s Burns Trust
Cochlear Implanted Children’s Support Group
Coin Street Centre Trust
Contact
Daisy’s Dream
Dandelion Time
Diabetes Research & Wellness Foundation
Dingley’s Promise
Diverse Abilities
Dreamflight
Dreams Come True
Evelina Children’s Heart Organisation Limited (ECHO Charity)
Family Action
George’s Rockstars
Get Kids Going!
Grace Kelly Childhood Cancer Trust
Greenhouse Sports
Grief Encounter
Harrys Rainbow
Home-Start North Wiltshire
Home-Start Staffordshire Moorlands
Hope and Homes for Children
HOPE for Epilepsy
International Justice Mission
Jamie’s Farm
Jigsaw South East
KEEN London
Kicks Count
KidsAid
Lifelites
Little Village
Long Covid Kids
MCKS Charitable Foundation UK
Mermaids
Molly Ollys
Momentum Children’s Charity
Mosaic – Supporting Bereaved Children
MYTIME Young Carers
National Deaf Children’s Society
Neuroblastoma UK
Open Arms Malawi
Parenting Special Children
PC Nicola Hughes Memorial Fund
Perthes Kids Foundation UK
Pitt Hopkins UK
Playskill
Porridge and Pens
Radio Lollipop London
Raise Your Hands
Renaissance Foundation
Right To Play UK
Roald Dahl’s Marvellous Children’s Charity
Rockinghorse Children’s Charity
Ronald McDonald House Charities
Saffron Walden Mencap Society
Sebastian’s Action Trust
Sedulo Foundation
SeeSaw Grief Support
Sevenoaks Area Youth Trust
Simon Says
SKY HIGH TRAMPOLINE GYMNASTICS ACADEMY
Small Steps
Space 2 Be Me
Spinal Muscular Atrophy UK
Spread a Smile
SSNAP
Stand Against Violence
Success Club
SUDC UK
supershoes
Ten Little Toes Baby Bank
The Children’s Society
The Daisy Garland
The Derbyshire Children’s Holiday Centre
The Dylan Strong Foundation
The For Isla Foundation
The Kids Network
The Kite Trust
The Lexi May Trust
The Mix
The Sick Children’s Trust
The Sussex Snowdrop Trust
The Young Lives Foundation
Tiny Tickers
Together for Short Lives
Truly Beloved a children’s charity
Twins Trust
War Child UK
White Lodge
Wooden Spoon – The children’s charity of rugby
Worth Unlimited
Zarach
British Dyslexia Association
British Exploring Society
CITY KIDS SURFING
Coach Core Foundation
Cornelia Cambridge’s Endowment for Archdeacon Cambridge’s School
Down Syndrome UK
Farms for City Children
“Friends of Broughton School
“
Garwood Foundation
Hamelin
M7 Education
Music for All
MyBigCareer
National Garden Scheme
National Literacy Trust
Northampton Saints Foundation
Plumpton College Charitable Foundation
Respected
StandOut Programmes
Sussex Cricket Foundation
The Eight Foundation
The Ramblers
UK Youth
WeMindTheGap
Youth Adventure Trust
Citifaith Church
Dorset Wildlife Trust
Groundwork UK
Islington Climate Centre
Lake District Foundation
Marine Conservation Society
SolarAid
World Land Trust
Alexander Devine Children’s Hospice Service
Arthur Rank Hospice Charity
Birmingham Hospice
Blythe House Hospice
Chestnut Tree House
Children’s Hospice South West
Children’s Hospices Across Scotland (CHAS)
Community Hospice Greenwich & Bexley
Cynthia Spencer Hospice
Demelza Hospice Care
Dorothy House Hospice Care
Dougie Mac
East Anglia’s Children’s Hospices
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ellenor
Farleigh Hospice
Forest Holme Hospice Charity
Francis House Children’s Hospice
Garden House Hospice Care
Haven House Children’s Hospice
Heart of Kent Hospice
Helen & Douglas House
Hospice in the Weald
Hospiscare
Jessie May
Julia’s House
Keech Hospice Care
LOROS
Martlets Hospice
Martlets Hospice
Mountbatten Hampshire
Mountbatten Isle of Wight
Naomi House & Jacksplace
Noah’s Ark Children’s Hospice
North Devon Hospice
Oakhaven Hospice
Phyllis Tuckwell Hospice Care
Pilgrims Hospices
Princess Alice Hospice
Priscilla Bacon Hospice Charity
Rennie Grove Peace Hospice Care
Rowans Hospice
Rowcroft Hospice
Saint Francis Hospice
Sobell House Hospice
St Barnabas House
St Barnabas Lincolnshire Hospice
St Christopher’s Hospice
St Clare Hospice
St Elizabeth Hospice
St Lukes Hospice (Basildon & Thurrock)
St Michael’s Hospice – Hastings & Rother
St Michael’s Hospice Hereford
St Peter & St James Hospice
St Peter’s Hospice
St Raphael’s Hospice
St Richard’s Hospice
St Wilfrid’s Hospice (Eastbourne)
St. Michael’s Hospice (North Hampshire)
Sue Ryder
Thames Hospice
The Myton Hospices
The Paul Sartori Foundation Ltd
Treetops Hospice
Woodlands Hospice
Addenbrooke’s Charitable Trust
Babies in Buscot Support (BIBS)
Brighter Futures GWH
Bristol & Weston Hospitals Charity
Buckinghamshire Healthcare NHS Trust Charitable Fund
Cheltenham and Gloucester Hospitals Charity
CW+
Derby and Burton Hospitals Charity
Dorset County Hospital Charity
Epsom and St Helier Hospitals Charity
Frimley Health Charity
Imperial Health Charity
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King’s College Hospital Charity
Kingston Hospital Charity
LIBRA – The Lions International Blood Research Appeal
Love Musgrove
Mid & South Essex Hospitals Charity
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Oxford Hospitals Charity
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Portsmouth Hospitals Charity
Raise West Hertfordshire Teaching Hospitals Charity
Rebuild
RNOH Charity
Royal Brompton & Harefield Hospitals Charity
Royal Devon Hospitals Charity
Royal Free Charity
Royal Orthopaedic Charity
Royal Voluntary Service
Somerset NHS Charity
St Georges Hospital Charity
St Mark’s Hospital Foundation
The Ducklings Trust
The Grand Appeal
The London Ambulance Charity
The Oliver Fisher Special Care Baby Trust
UCLH Charity
UCLH Charity Cancer Fund
Well Wishers
Whittington Health Charity
Yeovil Hospital Charity
Abigail’s Footsteps
able2achieve Trust
Action for A-T
Action for M.E.
Action for Pulmonary Fibrosis
Alcohol Change UK
Allergy UK
Anaphylaxis UK
Animal Free Research UK
Arts of Dementia
Ataxia UK
Autism Together
Batten Disease Family Association CIO
Bowel Research UK
Brain Tumour Support
British Acoustic Neuroma Association
British Liver Trust
British Skin Foundation
Burning Nights CRPS Support
Cardiomyopathy UK
Cavernoma Alliance UK
Centre for ADHD & Autism Support
Children’s Air Ambulance Service
Chilterns Neuro Centre
CMTUK
Coeliac UK
COUNTY AIR AMBULANCE TRUST HELP APPEAL
Day One Trauma Support
Deafblind UK
DEBRA
Dementia Adventure
Dementia Forward
Dentaid The Dental Charity
Dyscover – specialist aphasia support
East of England Ambulance Service Charity
Encephalitis International
Endometriosis UK
EOS Network – Eosinophilic Diseases Charity
Epilepsy Action
Epilepsy Research Institute UK
Essex & Herts Air Ambulance
Facial Palsy UK
Fight for Sight
FORCE Cancer Charity
Friends of Breathe Arts Health Research
Gene People
Great North Air Ambulance Service
Group B Strep Support
Hampshire and Isle of Wight Air Ambulance
Harrow Shopmobility
HeadwayUK
Health & Independent Living Support (HILS)
Hearing Dogs for Deaf People
HEART UK
Huntington’s Disease Association
Ichthyosis Support Group
Injured Jockeys Fund
Lincs & Notts Air Ambulance
Macular Society
Magpas Air Ambulance
Matt Hampson Foundation
Medical Research Foundation
Melissa’s
Meniere’s & Vestibular UK
Meningitis Now
Meningitis Research Foundation
Mikaere Foundation
Miscarriage Association
Moorfields Eye Charity
MPS Society
MS Trust
MS-UK
Multiple System Atrophy Trust
My Name’5 Doddie Foundation
National Autistic Society
National Axial Spondyloarthritis Society
National Rheumatoid Arthritis Society
NCBRS Worldwide Foundation
Nephrotic Syndrome Trust (NeST)
Nystagmus Network
Oxford Head Injury Services
Pain Concern
PKD Charity
Play2Give
Positively Parkinson’s
Prader-Willi Syndrome Association UK
PSP Association
Pumping Marvellous
RedDuck
Retina UK
RNIB
RUBINSTEIN-TAYBI SYNDROME SUPPORT GROUP
SarcoidosisUK
Scannappeal
Scleroderma & Raynaud’s UK (SRUK)
Scope
Sense
Sight Support Worthing
Sightsavers
Smile4Wessex
Spinal Research
Support Dogs
Terrence Higgins Trust
The Alfie Jones Foundation
The Brain Charity
The Charlie Ramsey Research Fund
The Duchenne Family Support Group
The Ectopic Pregnancy Trust
The Haemophilia Society
The Lewy Body Society
The Lily Foundation
The Lullaby Trust
The Migraine Trust
The Natasha Allergy Research Foundation
The National Brain Appeal
The Sickle Cell Society
Thrive
Thrive (Somerset formerly CCs)
Thrombosis UK
Thyroid UK
TOFS
Tourettes Action
TSA (Tuberous Sclerosis Association)
UK Sepsis Trust
Vasculitis UK
Victim Support
Willow Foundation
50 Million Voices
Action on Postpartum Psychosis
Addiction Family Support
ADHD UK
Ben – Automotive Industry Charity
BHT Sussex
Black Minds Matter UK
Buckinghamshire Mind
Central London Samaritans
Cheltenham Open Door
Choices
CHUMS Charity
CNWL NHS Health Charity
Community Drug and Alcohol Recovery Services
Cruse Bereavement Support
Dementia Carers Count
Different Strokes
Family Based Solutions
Flint House Police Rehabilitation
Held In Our Hearts
Help Musicians
Jewish Volunteering Network (JVN)
Julian House
Kids Inspire
Lancashire Mind
Libraries Unlimited
Little Wings of Hope
LooseHeadz Foundation
Making Miracles Charity
Max Windle Memorial Trust
Mencap
Mental Health Foundation
Mental Health Matters
Mind in Furness
Mind in West Essex
Mind Over Mountains
Mosaic Clubhouse
MQ Mental Health Research
Music for my Mind
Music Minds Matter
Off The Record Bath & North East Somerset
One In Four (London)
Open Door (Birkenhead)
PACT for Autism
PANDAS Foundation
Petals – The Baby Loss Counselling Charity
PTSD UK
Queertopia Consortium
Refettorio Felix
Rephael House
Rethink Mental Illness
Richmond Borough Mind
RIPPLE SUICIDE PREVENTION CHARITY
Safeline
Samaritans
SANE
Scarborough Whitby and Ryedale Mind
Sexual Assault and Abuse Support Service Buckinghamshire and Milton Keynes (SAASSBMK)
Shout
Sport in Mind
Stable Family Home Trust
SWEDA
The Allegr Foundation
The Brave and Determined Charity
The Burnt Chef Project
The Chatty Cafe Scheme
The Connection at St Martin-in-the-Fields
The east to west Trust (east to west)
The James Foundation – a baby loss charity
The Link Visiting Scheme
The Open Door (Taunton)
The Survivors Trust
Together Co
Transform Housing & Support
Trust Links
Uplands Enterprise Trust
Waythrough
We Are With You
Wellspring Counselling
YoungMinds
Blesma The Limbless Veterans
Building Heroes Education Foundation
Combat Stress
Hounds for Heroes
RMA – The Royal Marines Charity
Royal Air Forces Association
Royal Navy and Royal Marines Charity
Royal Star & Garter
SSAFA the Armed Forces charity
Taxi Charity for Military Veterans
The Gurkha Welfare Trust
The Not Forgotten
Veterans Coastal Retreats
VETERANS WITH DOGS
Who Dares Cares
Action Syria
Action Village India
ActionAid UK
African Adventures Foundation
African Children’s Fund
CAFOD
Challenge Ministries UK
Concern Worldwide (UK)
Frank Water
Habitat for Humanity Great Britain
Hope Health Action
Humanitas
IF Charity
Love Zimbabwe
Malaria No More UK
Medecins Sans Frontieres UK
Mehiel Foundation
Muslims in Need
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Path to Prosper
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Release International
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Village Africa
WaterAid
4Louis
1625 Independent People
Age UK Bristol
Age UK East London
Age UK West Sussex Brighton & Hove
Amnesty International UK
Braintree Area Foodbank
Bromley Borough Foodbank
Carers UK
Centre for Women’s Justice
CEO Sleepout UK
City Harvest
City Life Church Southampton
Connection Support
FearFree
Framework
Gloucestershire Nightstop
Hackney Foodbank
Homeless Oxfordshire
Imago Dei
Kent Community Foundation
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Oasis Domestic Abuse Service
Rape Crisis England & Wales
Refugee Action
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Shishukunj
SPEAR
TaxAid & Tax Help for Older People
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The Felix Project
The Fire Fighters Charity
The Lockton Charitable Association
The Passage
Turn2us
Turning Tides
WAY Widowed and Young
Women’s Aid Federation of England
Wycombe Homeless Connection
Young Devon
Your Local Air Ambulance Warwickshire Northamptonshire Derbyshire Leicestershire and Rutland
OUR OFFICIAL FUNDRAISING PARTNER
Amazing Challenges
Over 250,000 adventurers have taken on an Ultra Challenge®, and the 20 events now make up the UK’s biggest & best series of treks & trail runs – which also raise £11+ million per year for charities.
You’ll get full support all the way so you can set a new goal, and enjoy the wonderful countryside & event atmosphere. If you’re up for a challenge – make it an Ultra Challenge®.
