Rachael Grinham (L) of Australia looks at the gold medal of her sister Natalie Grinham.
The competitors have all shown amazing courage and determination. For some, their talent may just run in the family.
During these Games, there have been a number of competitors who are family members such as sisters, brothers, husband and wife or even father and son.
We've identified a number of the Melbourne 2006 athlete families.
Australian Pole vaulting star Vicky Parnov has joined her aunt Tatiana Grigorieva and both have qualified for the Games Final on Saturday.
The Saville sisters, Jane and younger sister Natalie, took the gold and silver in the 20km Walk. In true sisterly fashion, the more experienced Jane, who talks as fast as she walks, passed advice on the course to her little sister to make sure it was a family one–two.
Robert Newbery and wife Chantelle Newbery from Australia are both Diving competitors with a child named Jet
Australian Cycling sisters Anna and Kerrie Meares are battling one another for honours in the 500m time trial and the sprint.
Cycling also has the Bates sisters—gold medal winner on the track in the Points Race and silver in the Individual Pursuit, Kate Bates and the younger Natalie who competed in the road racing.
In squash, Australian sisters Rachael and Natalie Grinham are among the top players on the world’s women tour and have been dominant. The Malaysian Star referred to the sisters saying while they had their competitive juices flowing and they never gave an inch on court, it was all hugs and kisses afterwards.
Also competing for Australia in Skeet Shooting were Clive and George Barton. In the Athletics, Gabrielle Neighbour competed in the Hammer Throw and her brother Aaron in the Discus. Victorian brothers Ashley and Stuart Brehaut are both competing in the Badminton.
Close-knit sisters Benita Johnson, who competed in the 10km, and Caitlin Willis, who will run in the 4 x 400m relay, are bemused at how they’ve ended up at a Games together but in different events.
Athletics superstar and silver medallist Craig Mottram was joined in the Australian Games squad by younger brother Neil, who gained selection as part of the Australian Boomers Basketball team.
Outside Australia, at these Games Anuja Jung joined India's gold rush at the shooting ranges winning the Women's 50m Rifle three-position Prone to add to husband Samaresh Jung's five gold medals also in shooting.
In the Rugby 7s, Niue Island was represented by the Hipa brothers, Afoa and Daniel, and Kenya has talented brothers Allan and Patrick Onyango.
In Netball, the Solia sisters, Geraldine and Frances, play for Samoa.
New Zealand sisters Jan and Marina Khan secured a bronze in the Women’s pair event in the Lawn Bowls.
Wales has three sets of siblings competing - Ryan and Stephen Jenkins in the Table Tennis, twin sister shooters Sian and Jennifer Corish and Weightlifters Terry and Natasha Perdue.
Twins Daniel and Dominic King both competed against each other in the Men's 20km Walk.
Lisa and Nina Daniels also from New Zealand competed in the duet—free routine of the Synchronised Swimming competition.
In Squash, 17-year-old Nirasha and 19-year-old Tehani Guruge both represent Sri Lanka.
South Africa's Dina Phakula and her twin sister Lebogang are both running in the Athletics.
Cydonie Mothersill is in the 200m Final for the Cayman Islands but will cheer on her husband Ato Modibo who represents Trindidad and Tobago in the 400m and the 4 x 400m Relay.
Finally, a parent’s guiding advice can work too well, as a young Cook Islander has upstaged his father in the Men's Weightlifting 105kg event.
Seventeen-year-old Sam Pera Jr surpassed his father's expectations—and out-lifted him by 12kg. This was the young athlete’s first Games appearance and the first time that a father and son have competed in the same Weightlifting event at a Games.