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 and public attendance in track and field competitions. Track and field athletes are banned from ingesting or using certain substances by governing bodies for the sport, from the national to the international level. The IAAF's constitution incorporates the World Anti-Doping Code among other anti-doping measures. Practices such as blood doping and the use of anabolic steroids, peptide hormones, stimulants, or diuretics can give athletes a physical competitive advantage in track and field. The use of such substances in track and field is opposed on both ethical and medical grounds. Given that the sport functions by measuring and comparing athletes' performances,