The grit and determination of the Gauteng mountain biking fraternity will be tested to the full when the Pretoria Boys High School 24-Hour Challenge takes place on Saturday, September 6. The fourth edition of this endurance event, presented by Barden Tyres, will once again roll out across the 85-acre campus in Brooklyn, southeast of the city centre. According to organiser Wynand de Villiers of ASG Events, up to 500 participants are expected to push the limits of their mental and physical …
