Windsor Half Marathon 2026

The Windsor Half Marathon is a 13.1-mile race within Windsor Great Park, starting and finishing on the Long Walk. It is open to adults aged 17 or over on race day, catering to those moving up to the half marathon distance and experienced regular racers. The route remains within the park, avoiding town streets, with the setting being the primary attraction. The Long Walk provides a distinct Windsor landmark at both the start and finish. Official resources offer training advice for runners progressing from 5K to a half marathon.