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A Unique Setting

Windsor Great Park

Make sure you plan your journey to the Windsor Half Marathon in advance.
Unfortunately the M4 eastbound and westbound Jct 6 to Jct 8/9. Carriageway closure for Smart Motorways. Diversion via Local Authority network

24 September – 27 September 2021 – full weekend closure between junctions 6 and 8/9

The M4 will be closed in both directions over the weekend of 24 September – 27 September 2021 between Junctions 6 (Slough) and 8/9 (Maidenhead). The closure will start after 8pm Friday 24 September and the motorway will reopen by 6am on Monday 27 September.

Welcome to The Windsor Half Marathon

Sunday September 26th. at 10.00 am.


The 2021 Runners Information booklet available to download now. This contains ALL the information you will need: Travel Directions, Timetable, Car Parking and Course. please click here 

Entries for the 2021 event are open now.

Windsor Half Marathon 2019

This is an Infographic showing historic sites along the route – NOT the course map!

 Course map can be found Here

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