AC 060 Take the Cape Argus cycling Tour of 109km with up to 38000 cyclists participating every year. Then there are the various marathons and half-marathons like the Comrades Marathon, Two Oceans Marathon, Knysna Forest Marathon, Cape Town Marathon and the Loskop Ultra Marathon. And for sailing enthusiasts with no time limits one may even prepare for a Cape to Rio race.   Cyclists awaiting the start signal to the Cape Argus Race Cape to Rio, yachts leaving Cape Town Two Oceans Marathon, here crossing Chapman's Peak