Windsor Dorney Lakeside Half Marathon

Windsor Dorney Lakeside Half Marathon is a fast, flat half marathon around Dorney Lake with a traffic-free course ideal for chasing a PB.

Date: Sun, Oct 18, 2026

Location: Dorney, Windsor SL4 6QP, UK

Overview: This half marathon takes place around Dorney Lake, an iconic Olympic venue. The pan-flat course is traffic-free and designed for runners aiming to improve their time.

• Distance: Half Marathon (21km)
• Start time: 10:00 AM
• Price: £32 - £34