Windsor Dorney Lakeside Marathon

Windsor Dorney Lakeside Marathon is a pan-flat, traffic-free marathon around Dorney Lake, an iconic London 2012 Olympic venue.

Date: Sun, Oct 18, 2026

Location: Dorney, Windsor SL4 6QP, UK

Overview: This marathon takes place on a flat, looped course around historic Dorney Lake. The venue offers a traffic-free route that is ideal for first-time marathon runners and those targeting a personal best.

• Distance: Marathon (42km)
• Start time: 8:30 AM
• Price: £37 - £39