David is the first person to have run the entire length of the Great Wall of China in both directions. He has also run the coast of South Africa, paddled to Madagascar, run the length of Madagascar, India, Ireland, Cuba and
Thailand, a total of 25 000 km. He has raised nearly R10 million for Miles of Smiles to facilitate corrective surgery for children born with cleft lips and palate. He is in demand as an international
motivational speaker.