| Rank | Event | Year | Location | Result |
| Olympic Games | ||||
| 3 | 100m Backstroke | 2008 | Beijing, CHN | 53.18 |
| 3 | 200m Backstroke | 2008 | Beijing, CHN | 1:54.93 |
| 4 | 4 x 100m Medley Relay | 2008 | Beijing, CHN | 3:31.92 |
| 4 | 4 x 100m Medley Relay | 2004 | Athens, GRE | 3:35.91 |
| Semifinal | 100m Backstroke | 2004 | Athens, GRE | 55.20 |
| Semifinal | 200m Backstroke | 2004 | Athens, GRE | 1:59.80 |
| World Championships | ||||
| 2 | 4 x 100m Medley Relay | 2005 | Montreal, QC, CAN | 3:35.08 |
| 2 | 100m Backstroke | 2003 | Barcelona, ESP | 53.92 |
| 2 | 4 x 100m Medley Relay | 2003 | Barcelona, ESP | 3:34.72 |
| 3 | 4 x 100m Medley Relay | 2007 | Melbourne, VIC, AUS | 3:35.51 |
| 4 | 200m Backstroke | 2009 | Rome, ITA | 1:54.75 |
| 6 | 100m Backstroke | 2009 | Rome, ITA | 52.87 |
| 6 | 4 x 100m Medley Relay | 2009 | Rome, ITA | 3:30.60 |
| Heats | 50m Backstroke | 2009 | Rome, ITA | 25.36 |
Nickname
His father calls him Arkan. (olympic.ru, 09 Dec 2005)
Hobbies
Internet, computers, playing electric guitar, Playstation3. He likes reading books. His favourite authors are Paolo Coelho, Franz Kafka, Erich Maria Remarque, Valentin Rasputin, Mikhail Veller. (russwimming.ru, 13 Jul 2011)
Education
Southern Federal University, Rostov-na-Donu, RUS
Language(s) spoken
Russian
Club name
Dinamo, Russia
Coach
Irina Germanovna Vyatchanina [his mother] (RUS) (russwimming.ru, 29 Dec 2011)
Position and style
Backstroke (russwimming.ru, 29 Dec 2011)
Other sports
His father Arkadiy Fyodorovich Vyatchanin is a ninefold champion of Russia in swimming, his mother was a swimmer as well. Now they are both coaches. His older sister Alla was a national champion in swimming several times. (russwimming.ru, 13 Jul 2011)
Debut
2000 for Russia (russwimming.ru, 2011)
Injuries
From December 2009 till the end of February 2010 he underwent four operations on his eyes. (sportsdaily.ru, 30 Mar 2010)
Additional information
Start of sporting career
At the age of eight in a small village not far from Vorkuta, Russia. His first coach was Lyudmila Fyodorovna Shalyapina, his father's sister. (russwimming.ru, 13 Jul 2011)
Ambitions
"My goal is Olympic gold!" (kp.ru, 15 Dec 2009)
Hero
Russian swimmer Alexander Popov. (FINA Aquatics World Magazine, 07 Dec 2010)
Awards
He holds the national sports title of Honoured Master of Sport. (russwimming.ru, 29 Dec 2011)
He was decorated with the medal of the Order of Merit for the Fatherland for good results at the 2008 Olympic Games in Beijing. (russwimming.ru, 13 Jul 2011)
General
METAL HEAD
He likes Metallica, Pantera, Machine Head. (russwimming.ru, 13 Jul 2011)
Previous Olympics
Beijing 2008, Athens 2004
