Course
Flat, traffic-free tarmac laps beside the rowing course at Dorney Lake near Windsor: one lap for the 5K, two for the 10K and four plus a U-turn for the half marathon. Under 30m of climb over the half. Chip timed and PB-friendly.
Key dates
- !RegistrationOpen now
- ★Race daySun 8 Nov 2026
About
Dorney Lake, the purpose-built rowing venue used at the London Olympics, hosts this flat 5K, 10K and half marathon near Windsor, Buckinghamshire. The traffic-free course beside the lake makes it a fast, PB-friendly option.
Save Run Dorney Lake Half Marathon November to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Run Tatton Half Marathon
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Remembrance Day Marathon & Half Marathon
Phoenix Running's looped marathon course by the Thames
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Regent's Park 10K
Through one of central London's Royal Parks
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Windsor Trail Run
Riverside trail through Windsor Castle's Alexandra Gardens
A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.