Windsor Dorney Lakeside Marathon

OCT
18
2026
A traffic-free, flat marathon at Dorney Lake (Windsor) with chip timing, finisher medals and finish-area refreshments. The venue has free on-site parking, limited public transport access, and a 5 hour 20 minute cut-off time.
Marathon

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Windsor Dorney Lakeside Marathon : event summary

The event is staged at Dorney Lake, Off Court Lane, Windsor, Berks (SL4 6QP). The course is traffic-free and described as flat, running inside the lake grounds. The venue provides free car parking next to the start area.

Chip timing is used and finishing times are recorded and posted as runners cross the line. All finishers receive a medal and finish-area provisions including water, juices, fruit and a chocolate bar. There is a free, cordoned baggage drop facility; organisers advise against leaving valuables as they cannot be held responsible.

The event encourages support for Kingston Hospital Charity as part of its celebration of the NHS. A cut-off time of 5 hours 20 minutes applies to the race.

Access notes: there are no direct public transport links to the venue. The nearest train station is Taplow; from there the boathouse via the main entrance is about a 10-minute drive, a 17-minute cycle, or roughly a one-hour walk. All pedestrian access is via the main entrance off Court Lane; pedestrian gates on the Thames Path, the Sustrans path on the north side of the lake, and Boveney Road are closed. The listed entry price is £39. Visit the organization's website for the most recent information.

Marathon
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