New to Sports

Olympic rugby previously involved teams of 15, but the seven-a-side version made its debut in 2016.

Shooting disciplines include rifle, shotgun and pistol. Athletes must possess great technique, nerve and concentration.

Athletes must swim 1.5km, cycle 40km and run 10km, but the triathlon transitions are often called the fourth discipline and can be decisive.

Elite tennis can be won or lost on the smallest of margins, and the pressure often serves up incredible tension and thrilling matches.

Teams consist of six athletes playing the best of five sets. A player called the 'Libero' may substitute into the back court for any player.

Lifting the greatest weight possible is the goal for these athletes, with the snatch and clean and jerk methods bringing the biggest lifts.

Men's wrestling is an Olympic Games ever-present, with the women's event joining the programme in 2004.

Reaction times are just one of the many components that can make a difference when the fastest runners on the planet race for global glory.

The marathon made its debut at the first Olympics and has been the ultimate running endurance event ever since.

Throwing a metal-tipped spear overarm as far as it can go without surpassing the throwing arc takes skill, speed and strength.