Dorney Lake Triathlon

RunThrough UK hosts the Dorney Lake Evening Triathlon at Dorney Lake, Windsor (SL4 6QL). Participants can choose between Super Sprint (400m swim, 10km bike, 2.5km run), Sprint (750m swim, 19km bike, 5km run), or an Aquabike (swim-bike). The course is set at the purpose-built lake, with flat bike and run sections and clearly marked distance flags, making it ideal for fast times.

Features include chip-timed results, free official event photos, a unique themed medal, and post-race goodies, with plenty of marshals and helpers to keep you on track and motivated. An evening racing atmosphere at a renowned Olympic venue. Visit the organization's website for the most recent information.