Marathon
Sat 26 Jul 2025 Windsor, Berkshire, UK Fundraising required 30% off

Mighty Hikes | Thames Path | Marathon

Take on a challenge and join Macmillan at the Thames Path Mighty Hike - where you'll hike from Windsor Racecourse along the most iconic river in England to support people living with cancer.

  • Sat 26 Jul 2025
  • Fundraising required
  • 30% off
Royal Windsor Racecourse, Windsor > Mill Meadows, Henley-on-Thames

Marathon

30% off with discount code

08:10

Age 14 & over

Sign up £25

Fundraise £250

  • 25.4 miles hiking + 292.18 m ascent

Event overview

Set yourself an exciting new challenge and hike along the iconic Thames Path!

Mighty Hikes are an award-winning series of marathon and half marathon hikes, taking place in some of the most beautiful and unspoiled parts of the UK. If you’re looking for a fun way to get fit, a memorable day out with friends and family, and a chance to celebrate or remember a loved one, then Mighty Hikes are for you. 

And it doesn’t matter if you’re lacing up your boots for the first or fiftieth time – you'll be supported every step of the way!

hikers

The Thames Path Mighty Hike is one of our flatter routes and perfect for all abilities! Starting in the historical market town of Windsor, you’ll walk along excellent riverside trails, towards the pretty town of Cookham.

Highlights

  • Fully supported

    With trek masters, signposted routes, medics, and toilets all along the route, you’ll feel supported every step of the way.

  • Fuelling your adventure

    Regular pit stops with snacks and refreshments, a fresh buffet lunch and a hot meal waiting for you when you finish.

  • Everybody is a winner

    At the finish line you’ll be greeted with cheers, fizz and of course your Mighty medal.

  • Enjoy the moment

    You'll be able to treasure your Mighty Hike memories forever, as all your professional photos are free to download.

  • Not sure where to start?

    Once you sign up, you’ll have access to expert training advice and fundraising tips to smash your £250 target.

This event is part of Mighty Hikes | Thames Path.

  • Event village
  • Fancy dress
  • Spectators
  • Teams

Solo walkers

Get 30% off with our exclusive Time Outdoors discount code!

Teams

Save 50% when you register a team of 5+ people!

It's easy to create a team...

Follow the steps to become a Team Captain when you register. Make sure you have a list of names and email addresses of your fellow team members. Once you have signed up, an email invite will be sent to your team members with a bespoke link for them to fill out their own registration form and join your team.

As Team Captain you will have the option to pay their registration fee, otherwise your team members can pay when they get their invite.

Every time a member of the team completes their registration, you’ll be sent a confirmation email. That way you can monitor who has or has not joined your team.

  • Bag transfer
  • Free parking
  • Rural
  • Toilets

Event HQ

Royal Windsor Racecourse
Maidenhead Road
Windsor
Berkshire
SL4 5JJ
UK

Free parking

There's free parking for all hikers at the start line at Windsor Racecourse, SL4 5JJ which can be booked when you register.

Free shuttle bus

Free shuttle buses will run from both finish lines back to the car park in the afternoon.

Kit list

You will need to be prepared for all weather and bring all the essentials needed for the hike. A full kit list is readily available.

Supporters

Your family and friends can meet you at the finish event village to cheer you across the finish line. However, they will not be able to accompany or meet you at any of the pit stops.

Dogs

Unfortunately, no dogs can take part in a Mighty Hike with the exception of assistance dogs. This includes at any of the start and finish venues. 

  • Check points
  • Cut off time
  • Distance markers
  • First aid
  • Flat
  • Food stations
  • Marshals
  • Point to point
  • Return transport
  • Sweeper
  • Toilets
  • Water stations
  • Wave start
  • Way markers

A compelling full marathon distance hike, following the iconic River Thames, to the edge of the Chiltern Hills. 

Route highlights

  • Enjoy popular landmarks from the start at Royal Windsor Racecourse
  • Pass through the grounds of the world-renowned Eton College
  • Encounter wonderous woodland trails as you head north toward Ray Mill Island 
  • Enjoy fantastic riverside views, with the calm waters reflecting sights such as Bisham Abbey
  • Cross the finish line at the picturesque Mill Meadows, Henley-on-Thames
map
MIGHTY HIKE THAMES PATH ROUTE MAP
Point to point from Windsor Racecourse to the picturesque Mill Meadows.

  • Bring your own cup
  • Public transport links
  • Recycling
  • Sustainability policy

Single use plastics

  • There are refill stations where you can fill your reusable bottle to avoid handing out bottled water
  • Compostable cutlery, plates and cups are used across the start, lunch and pitstops
  • The event day bib is fully recyclable

Recycling

  • A specialist company collects and sorts the rubbish post-event to ensure as much is recycled as possible
  • All Mighty Marshals and other staff are briefed to pick up any rubbish they see along the route on the day
  • There are plenty of bins at each pit stop for participants to use

Energy

  • The power at Mighty Hikes is provided by hybrid generators
  • Energy-efficient LED bulbs are used to light the marquees

  • Cake
  • Map
  • Medal
  • Post-race meal
  • Race photo
  • Technical t-shirt
  • Training plan

Included

  • Free Macmillan hiking top
  • A clearly marked route
  • Pit stops with snacks, drinks and toilets
  • Medical assistance
  • Free food at the finish
  • Finishers medal
  • Baggage transfer from start point to the finish
  • Complimentary coach shuttles between venues
  • Celebratory bubbly at the finish
pit stops

Useful resources

  • Mighty Hikes Sponsorship Form
  • Mighty Hikes Training Zone
  • Mighty Hikes Training Plan
  • Mighty Hikes Merchandise
  • Mighty Hikes Kit List
  • A-Z of fundraising ideas
  • Downloadable 'Sponsor a Mile' poster
  • Cotswold Outdoors 15% discount

Not Included

  • Accommodation
  • Travel to/from the event
  • Personal hiking gear (boots, clothing etc)
  • Travel insurance

  • Fundraising materials
  • Fundraising required
  • Fundraising support

The Mighty impact

Macmillan is needed now more than ever. With every mile you walk and pound you raise, they can be there to provide vital services for people who need it most.

  • 3 million people

    There are 3 million people living with cancer in the UK today who urgently need support from Macmillan.

  • 30,000 hikers

    You’ll be joining an incredible community of Mighty Hikers across the UK, coming together to make a difference.

  • £250 pledge

    By raising £250, you’ll be helping Macmillan provide vital cancer services, research and campaign to achieve better cancer care, and support the cancer workforce.

  • £11.5m

    In 2023, Mighty Hikers raised an incredible £11.5 million by smashing their £250 fundraising pledge.

How to fundraise

There are so many fun and easy ways to reach your £250 pledge, from fundraising games to sponsorship forms, we have got you covered. It's time to kick-start your fundraising for Macmillan!

Resources

  • 26 fundraising tips
  • Team fundraising guide
  • Fundraise while you shop
  • Recycling for good causes
  • WhatsApp messaging
  • Sponsorship form
  • Sponsor a mile poster
  • Guess My Time poster

Teams

There is a £250 fundraising pledge per hiker however a team may have a joint fundraising target and joint fundraising page. This means the overall goal is shared.

eg. a team of 4 will have a target of £1000. 

Tips

  • Age 14 & over
  • Entries open
  • Enter online
  • Fundraising required

14-17 year olds must be accompanied by an adult at all times.

Save 50% when you register a team of 5+ people!

Entry fees

Entry fee

£25.00

Minimum sponsorship

£250.00

Another fantastic Mighty Hike, loved it from start to finish. Kate, Thames Path 2024

Thank you, Macmillan, for how well you organised this event. This was my first time and won’t be my last one, still can’t believe I did 26 miles. Saira, hiker of the Thames Path, 2023

The food was amazing, the toilets all clean, the cups of tea were amazing!! Deanna, Norfolk Coast 2024

I hiked this marathon in memory of my late partner. It was, and will be one of the best things I’ve ever done. Phillipa, Mighty Hiker 2023

hikers
LAURA'S STORY
Just WOW, I have entered quite a few races in my time but doing a Mighty Hike was by far the best organised I have ever been to. Macmillan are an amazing organisation and have been a massive help to me and my family throughout our darkest times, yesterday they did not let us down!
hikers
BERNIE'S STORY
We were amazed by the organisation that goes into Macmillan Mighty Hikes. Everything from the support from the staff on the course to the food and the information you get is outstanding. It's off the scale.

Other races at event

  • Sat 26 Jul 2025
  • #1 of 2
Royal Windsor Racecourse, Windsor > Marsh Meadow, Maidenhead

Half Marathon

09:50

Age 14 & over

Sign up £20

Fundraise £250

  • 13 miles hiking + 147.97 m ascent