| Rank | Event | Year | Location | Result |
| Olympic Games | ||||
| 3 | Single Sculls | 2008 | Beijing, CHN | 7:01.56 |
| 5 | Four | 2004 | Athens, GRE | 6:15.47 |
| World Championships | ||||
| 1 | Single Sculls | 2011 | Bled, SLO | 6:39.56 |
| 1 | Single Sculls | 2009 | Poznan, POL | 6:33.35 |
| 1 | Single Sculls | 2007 | Munich, GER | 6:45.67 |
| 1 | Single Sculls | 2006 | Eton, GBR | 6:35.40 |
| 1 | Single Sculls | 2005 | Gifu, JPN | 7:16.42 |
| 2 | Single Sculls | 2010 | Hamilton, NZL | 6:49.42 |
| World Cup | ||||
| 1 | Single Sculls | 2011 | Hamburg, GER | 6:55.02 |
| 1 | Single Sculls | 2009 | Lucerne, SUI | 6:50.64 |
| 1 | Single Sculls | 2009 | Munich, GER | 7:00.45 |
| 2 | Single Sculls | 2012 | Lucerne, SUI | 6:45.06 |
| 2 | Single Sculls | 2012 | Lucerne, SUI | 6:45.06 |
| 2 | Single Sculls | 2011 | Lucerne, SUI | 7:19.08 |
| 3 | Single Sculls | 2010 | Lucerne, SUI | 6:58.18 |
Nickname
Grandpa. (mahedrysdale.com, 04 Sep 2011)
Hobbies
Playing golf, walking his dog, spending time with family and friends, going to the beach. (mahedrysdale.com, 04 Sep 2011)
Occupation
Administrator
Education
Commerce - University of Auckland, Auckland, NZL
Language(s) spoken
English
Club name
West End Rowing Club, Avondale, NZL
Coach
Richard Tonks (NZL) (mahedrysdale.com, 04 Sep 2011)
Sporting relatives
He has represented New Zealand in canoe-polo. (stuff.co.nz, 07 Sep 2011)
Debut
2001 (powerupdates.com, 19 Sep 2007)
Injuries
He pulled a groin muscle and sustained scrapes and bruises when he hit the side of a car while training in 2011. (row2k.com, 03 Sep 2011)
His 2010 season was disrupted by injuries to his spinal disc which, it was discovered, were being caused by osteo-arthritis. (odt.co.nz, 13 May 2010; Mahedrysdale.com, 04 Sep 2011)
In 2007 he was hit by a water skier while training. The injuries he sustained in the collision led to him being airlifted to hospital where he could not move for three days. He says he barely regained the feeling in his fingers and toes and later he was found to have cracked two vertebrae in the crash. (nzherald.co.nz, 19 Sep 2007)
At the Beijing Games, in the men's single scull, he won bronze, but after his race he was carried into a waiting ambulance, after being carried by life raft after his race, clearly suffering from his illness. He was also seen vomiting. He was, however, able to stand to be awarded his medal. (NZ Herald, 18 Sep 2008)
Additional information
Start of sporting career
He began at age 18 in 1996. (powerupdates.com, 19 Sep 2007)
Reason for taking up this sport
"Because I love it. I love racing and I love trying to be the best in the world and going to the Olympics." (mahedrysdale.com, 04 Sep 2011)
Ambitions
To win gold at the 2012 Olympic Games in London. (mahedrysdale.com, 04 Sep 2011)
Training
Two or three times a day, six days a week. (mahedrysdale.com, 04 Sep 2011)
Most memorable sporting achievement
Racing in front of his home crowd at the 2010 World Championship and being team captain and flag bearer at the 2008 Olympic Games in Beijing. (mahedrysdale.com, 04 Sep 2011)
Hero
Sir Edmund Hilary, the first man to scale Mount Everest. (westendrowing.org.nz, 23 Jun 2004)
Awards
He was inducted as a Member of the New Zealand Order of Merit [MNZM] in 2009, the same year he was named Sportsman of the Year at the Westpac Halberg Awards for the third time and collected his third Auckland Sportsman of the Year award. (mahedrysdale.com, 04 Sep 2011)
He became the first male sculler to win the world title in three consecutive years when he triumphed at the 2007 event. (mahedrysdale.com, 04 Sep 2011)
In 2006 he was given the Supreme Award at the Westpac Halberg awards. (mahedrysdale.com, 04 Sep 2011)
General
DUAL CITIZENSHIP
He holds both New Zealand and Australian passports. In the lead-up to the 2008 Olympic Games in Beijing there was speculation that he might switch his allegiance to Australia had he not secured a place in New Zealand's qualified single scull boat. (The Age, 05 Mar 2008)
RETURN TO COMPETITION
He gave up rowing to concentrate on studying, but after watching fellow New Zealander Rob Waddell win gold at the 2000 Olympic Games he decided to give the sport another try. (powerupdates.com, 19 Sep 2007)
Previous Olympics
Beijing 2008, Athens 2004
