The IRONMAN 70.3 Bolton is the UK’s standout early-summer middle-distance triathlon, featuring a 1.2-mile lake swim, a 56-mile hilly bike ride, and a 13.1-mile town center run. The event has a legendary electric finish in the heart of Bolton on Victoria Square.

Event Profile

• Date: Sunday, June 7
• Format: Age-group and professional categories, featuring a self-seeded rolling swim start.
• Energy Partner: Maurten Gels are available on-course for athlete fueling.

Course Breakdown

• Swim (1.2 Miles / 1.9 km): A single-loop course at the calm, open-water Pennington Flash Nature Reserve in Wigan.
• Bike (56 Miles / 90 km): A two-loop circuit around the surrounding regions before heading north into the Lancashire Moors. It is known to be a challenging, undulating ride with some technical sections.
• Run (13.1 Miles / 21.1 km): A mostly flat, two-loop half marathon through Queens Park and the historic streets of Bolton.

Spectator Information & Logistics

• Finish Line: The final stretch leads competitors down the Red Carpet toward the steps of the Bolton Town Hall.
• Road Closures: Extensive road closures and bus diversions affect the area, with major impacts on roads and surrounding routes.
• Local Amenities: Spectators and athletes have access to local hubs like the Albert Halls Bolton and the Bolton Museum, both located right near Victoria Square.

For more information, visit the official IRONMAN 70.3 Bolton portal.