Rio 2016 Olympics

Archers Arne Jensen and Karoline Tatafu will be the first Tongan athletes in action at the Rio Olympics tomorrow morning.

Sports Call - The difference between winning and losing at the Rio Olympics will come down to just hundredths, if not thousandths, of a second for many athletes.

Vanuatu is hopeful of a last-minute Olympic reprieve after reports an Italian beach volleyball player has tested positive for doping.

The Rio Olympics will be a particularly memorable occasion for the Nicholas family from Cook Islands.

First person- With two hour traffic delays, poor plumbing and dodgy wiring, it'll take more than a few finishing touches to get Rio ready for the Olympics, writes RNZ's Stephen Hewson.

Samoan sprinter Jeremy Dodson says it's inevitable that cheating athletes will compete at the Rio Olympics.

The New Zealand Olympic rowing team could have an edge over the rest of the field in Rio, with just a five minute commute from the Lagoa Stadium where they'll compete.

- The New Zealand public may have high expectations for Olympic medal hope Lauren Boyle as she heads to Rio, but they are nothing on what the swimmer puts on herself.

Olympic Disciplines - Sailing is one of New Zealand's most successful Olympic sports and has produced some of our most well-known sporting personalities, with the likes of Barbara Kendall and Russell…

Olympic Disciplines - A number of the glamour events takes place in Athletics and is essentially a variety of competitions in running, walking, jumping and throwing events.

Olympic Disciplines - The equestrian disciplines are unique events at the Olympic Games, not only because they involve animals, but they are where women and men compete together on equal terms.

Olympic Disciplines - Trampoline is part of the gymnastics family of sports, where gymnasts perform acrobatics while bouncing on a trampoline.

Olympic Disciplines - Olympic swimming is one of the most enduring and popular Olympic sports and has the most events (34) on the Olympics' programme.

Olympic Disciplines - Olympic history will be made at Rio in 2016, when rugby sevens makes its debut appearance at an Olympic Games.

Olympic Disciplines - Weightlifting is an athletic discipline in the modern Olympic programme in which the athlete attempts a maximum-weight single lift of a barbell loaded with weight plates.

Olympic Disciplines - Triathlon is a multi-discipline sport, one in which New Zealand enjoys a successful history, both in and out of the Olympics.

Olympic Disciplines - Hockey was one of the first team sports to be introduced to the Olympics and has been a staple ever since.

The Tongan government has approved a late grant of $US25,000 to assist the country's Olympic team in Rio.