Track and field centre of the stadium. The shot put features a circular throwing area with a toe board at one end. The throwing area is a sector. Some stadia also have a water jump area on one side of the field specifically for steeplechase races. Basic indoor venues may be adapted gymnasiums, which can easily accommodate high jump competitions and short track events. Full-size indoor arenas (i.e. those fully equipped to host all events for the World Indoor Championships) bear similarities with their outdoor equivalents. Typically, a central area is surrounded by a 200-metre oval track with four to eight lanes. The
Track and field gained over two hundred member nations. The IAAF World Championships in Athletics became a fully professional competition with the introduction of prize money in 1997, and in 1998 the IAAF Golden League—an annual series of major track and field meetings in Europe—provided a higher level of economic incentive in the form of a US$1 million jackpot. In 2010, the series was replaced by the more lucrative IAAF Diamond League, a fourteen-meeting series held in Europe, Asia, North America and the Middle East—the first ever worldwide annual series of track and field meetings. Track and field events are divided into three