Winter BallBuster

This notoriously tough event is now in its 27th year and remains one of the toughest endurance challenges in the UK; a ‘must-do’ race for every competitive multi-sport athlete in the country, it will test your fitness and stamina to the max! Set in the picturesque setting of the Box Hill National Trust site, the now famous BallBuster course takes you up and down the undulating hills of the North Downs and round the loop used by the 2012 Olympic Cycling Road Race. Relay option.