3.8km Ironman distance and 10km Olympic Distance open Water swim

About the race

Set within the serene, lush surroundings of Lakeside Country Park in Eastleigh, this open water swimming event offers a rare opportunity to challenge yourself in a tranquil yet demanding lake environment. Whether you are aiming to conquer the 3.8km Ironman-distance endurance test or push your limits in the 10km Olympic-distance marathon, the venue provides a perfect backdrop for athletes seeking a break from the turbulence of sea swimming. The park itself is a haven for local flora and fauna, offering a peaceful atmosphere that contrasts beautifully with the intensity of the competition.

Organized by Brett Britton, this annual gathering has become a staple for regional swimmers who appreciate the clarity and calm of lake waters. The event attracts a diverse mix of participants, from seasoned endurance athletes preparing for major triathlons to open water enthusiasts looking to test their mettle in a controlled, safe, and scenic setting. The park is highly family-friendly, making it an ideal destination for those who want to combine a rigorous athletic challenge with a relaxing day out for supporters and loved ones.

After you have finished your swim, you will find that the Eastleigh area offers plenty to keep you occupied. If you are looking to make the most of your visit, we recommend you {{link:experiences|explore the surrounding attractions}}, which range from peaceful nature walks to local heritage sites. For those traveling from further afield, there are several convenient ways to stay nearby, so be sure to {{link:accommodations|find your ideal accommodation}} to ensure you are well-rested before you head to the start line. This event is more than just a race; it is a celebration of community, endurance, and the joy of swimming in nature’s own backyard.

How to get there

Aeroporti: Southampton (SOU) a 3km, London Heathrow (LHR) a 110km. Treno: Stazione di Southampton Airport Parkway (1.5km). Accesso: Il parco è adiacente alla A335. Parcheggio disponibile in loco (Lakeside Country Park Car Park), si consiglia di arrivare presto causa affluenza eventi.