The 2011 Comrades Marathon, which took place on 29 May, was the most competitive edition yet. For the first time in the history of the race, top Ethiopian runners entered, posing a great threat to defending champions. The race also saw an increase in entrants from the UK, US, Australia and Brazil.
• South Africa's toughest endurance challenges
The legacy of the 2010 Fifa World Cup will stand South Africa in good stead, as the country prepares to stage yet another spectacular football tournament, this time the Africa Cup of Nations (Afcon).