A group of three hikers are walking in a row along a path. They are wearing green tops and different hiking gear. On either side of the hikers are tall green plants. The path appears to be a gravel path.

Thames Path Mighty Hike

Walk along the beautiful banks of the River Thames where the peaceful riverside paths provide stunning views and a unique experience of England’s iconic waterway.

Full Marathon

Selling out fast
Date
26 July 2025
Location
Windsor
Join
Registration fee: £25
Fundraising pledge: £250
Distance
26 miles
Difficulty
Flat with easy terrain
Route map

Half Marathon

Sold out
Date
26 July 2025
Location
Windsor
Join
Registration fee: £20
Fundraising pledge: £250
Distance
14 miles
Difficulty
Flat with easy terrain
Route map

What's included in your registration fee?

Green Macmillan tshirt with an M on the front
Green camera
Green flag
Knife and fork
Green medal with white star

About the Thames Path Mighty Hike

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

Mighty Hikes support

We have many resources to help you prepare for your hike, including how to set up your fundraising page. You can also join our Facebook group and meet the Mighty Hikers community.

Frequently asked questions

  • When and where does the Thames Path Mighty Hike start and finish?

    The full marathon and half marathon start at South Meadow (Eton College), South Meadow Lane.

    The half marathon finishes at Marsh Meadow, SL6 9SB. The full marathon finishes at Temple Island Meadows, Remenham Farm, RG9 3DB.

    The full marathon waves will start every 20 minutes from 08:10, and the half marathon waves will start every 20 minutes from 09:30.

  • What is the Thames Path Mighty Hike route?

    The Thames Path Mighty Hike starts in the beautiful town of Windsor, winding past the famous royal Windsor Castle before heading down to the iconic Thames Path. The half marathon finishes just north of Cookham, and the full marathon continues on to Mill Meadows in Henley-on-Thames.

    View the routes on Google Maps.

    You can also view the GPS routes with elevation graphs here for the full marathon and here for the half marathon.  

    Please note that the routes can be subject to change following health and safety inspections. Any key changes will be communicated on the day. 

  • What are the route highlights for the Thames Path Mighty Hike?

    Along this stunning route, you'll experience:

    1. Windsor Castle - the majestic, historical royal residence brimming with grandeur.
    2. Marlow Suspension Bridge - an elegant bridge with stunning views of the River Thames.
    3. Temple Island - a tranquil spot steeped in beauty and history.

  • Where should I stay for the Thames Path Mighty Hike?

    The start line at Eton College is located in close walking proximity to the town of Windsor so we recommend staying here for the hike. Alternatively, there are also frequent trains into central London, arriving at Windsor & Eton Central and Riverside stations.

  • How do I get there?

    You can walk to the start line at Eton College within 10 minutes from central Windsor.

    Parking for the full and half marathons at available at the finish line for the full marathon, located at Temple Island Meadows, Remenham Farm, RG9 3DB.

    Free shuttle buses will run from Temple Island Meadows to the start line in Eton on the morning of the hike, and from the half marathon finish line back to the car park after the hike.

    You can book parking and shuttle buses when you register.

  • What if my Mighty Hike gets cancelled?
    If your Mighty Hike is cancelled for any reason, you’ll be contacted by email and text and live updates will be made to this FAQ document with all the information you need.

Ready to join?

Volunteering at a Mighty Hike

See other Mighty Hikes

Daniel, wearing a bucket hat on a Mighty Hike

Don’t fancy this one? No sweat! We’ve got many other beautiful Mighty Hikes in all corners of the UK, hilly and flat, so you can find the perfect challenge for you. 

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