Castle to Coast takes athletes on a stunning adventure all the way from Dorney Lake near Windsor to Brighton Sea Front by Swim, Bike & Run.

This challenging course starts with a calm lake swim, before travelling through the rolling Surrey Hills and onto a challenging trail run across the South Downs all the way to Brighton sea front.

This is a course designed to be experienced and enjoyed, alongside friends and club mates. With relaxed cut offs and a fantastic supportive atmosphere thanks to its sportive nature this event brings something special to the sport that you won’t regret taking part in, be this your first or hundredth triathlon.