He competed at the 2012 Summer Olympics.
In the 2004 Olympic Games, Rock ran for the American 4x400m relay team in the qualifying heats, securing the team a place in the final.
•
2005: World Outdoor 400m silver medalist, World Outdoor 4x400m gold medalist, ranked #2 in the United States and #3 in the World
•
Later in the meet, he led off the 4x400m relay team to yet another World Championship gold medal.
The next year the relay team finished seventh at the 2005 World Championships with Forshev, Rudnitskiy, Oleg Mishukov and Yevgeniy Lebedev.
At the 1999 World Indoor Championships she finished fourth in the 4 × 400 metres relay, together with teammates Anja Rücker, Ulrike Urbansky and Grit Breuer.
Panel competed for the men's 4×400 m relay at the 2008 Summer Olympics in Beijing, along with his teammates Teddy Venel, Richard Maunier, and Ydrissa M'Barke.
She represented Jamaica at the 2012 Summer Olympics in the individual 400m and in the 4x400 metre relay.
Mills competed for the men's 4×400 m relay at the 2008 Summer Olympics in Beijing, along with his teammates Ato Modibo, Jovon Toppin, and Stann Waithe.
Gravalos competed for the men's 4×400 m relay at the 2008 Summer Olympics in Beijing, along with his teammates Stylianos Dimotsios, Konstadinos Anastasiou, and Pantelis Melachroinoudis.
Pinheiro competed for the women's 4×400 m relay at the 2008 Summer Olympics in Beijing, along with her teammates Lucimar Teodoro, Maria Laura Almirão, and Josiane Tito.
He was a member of the Botswana 4 x 400 metres relay team that finished eighth at the 2004 Olympic Games.
Jessie Barr (born 24 July 1989 in Waterford, Republic of Ireland) is an Irish athlete who will compete at the 2012 Summer Olympics in the Women's 4 × 400 metres relay.
Steffensen competed in the 2004 Olympics, and was a part of the Australian team that won the silver medal in 4 x 400 metres relay.
She competed at the 2012 Summer Olympics in the 4×400 m relay event, running in the heats and winning a gold medal.
Anastasiou competed for the men's 4×400 m relay at the 2008 Summer Olympics in Beijing, along with his teammates Stylianos Dimotsios, Dimitrios Gravalos, and Pantelis Melachroinoudis.
Michelle Carey (born 20 March 1981 in Dublin, Ireland) is an Irish athlete who competed at the 2012 Summer Olympics in the Women's 4 × 400 metres relay.
In the 4 x 400 metres relay she competed at the 2003 World Championships and the 2004 Olympic Games without reaching the final.
Mejia competed for the men's 4×400 m relay at the 2008 Summer Olympics in Beijing, along with his teammates Yoel Tapia, Carlos Yohelin Santa, and Arismendy Peguero.
Smith competed for the men's 4×400 m relay at the 2008 Summer Olympics in Beijing, along with his teammates L. J. van Zyl, Ofentse Mogawane, and Alwyn Myburgh.
Kaur finished seventh in the 4 x 400 metres relay at the 2004 Summer Olympics, together with teammates Satti Geetha, K. M. Beenamol and Chitra K. Soman.
He won the silver medal in 4 × 400 metres relay at the 2000 World Junior Championships, became European junior champion in 2001 and finished seventh at the 2002 European Championships.
Together with Brandon Simpson, Lansford Spence and Davian Clarke he won a bronze medal in the 4 x 400 metres relay at the 2005 World Championships in Athletics.
Competing in her first major competition for Great Britain, Cox won a gold medal in the women's 4x400 metres relay at the 2012 IAAF World Indoor Championships in Istanbul, Turkey, as part of a team that also included Nicola Sanders, Christine Ohuruogu and Perri Shakes-Drayton.
She also won bronze in the 4x400m relay with Shereefa Lloyd, Rosemarie Whyte and Novlene Williams
Waithe competed for the men's 4×400 m relay at the 2008 Summer Olympics in Beijing, along with his teammates Ato Modibo, Jovon Toppin, and Cowin Mills.
Tapia competed for the men's 4×400 m relay at the 2008 Summer Olympics in Beijing, along with his teammates Pedro Mejía, Arismendy Peguero, and Carlos Yohelin Santa.
Relay race | 100 metres | 400 metres | 800 metres | 5000 metres | 10,000 metres | 3000 metres steeplechase | 1500 metres | Forbes 400 | 110 metres hurdles | 400 metres hurdles | men's 4×400 m relay | Athletics at the 2008 Summer Olympics – Men's 4 × 400 metres relay | Boeing 747-400 | Internet Relay Chat | The 400 Blows | Athletics at the 2004 Summer Olympics – Women's 4 × 400 metres relay | 60 metres | X.400 | Athletics at the 2012 Summer Olympics – Women's 4 × 400 metres relay | 4 × 400 metres relay | 2005 World Championships in Athletics – Men's 4 × 400 metres relay | women's 800 metres | Frame Relay | Brickyard 400 | Athletics at the 2008 Summer Olympics – Women's 3000 metres steeplechase | Athletics at the 2004 Summer Olympics – Men's 4 × 400 metres relay | American Radio Relay League | 60 metres hurdles | women's 100m relay team |
These are the official results of the Men's 4x400 metres event at the 1982 European Championships in Athens, Greece.
These are the official results of the Women's 4x400 metres event at the 1982 European Championships in Athens, Greece.
These are the official results of the Men's 4x400 metres event at the 1990 European Championships in Split, Yugoslavia.
These are the official results of the Women's 4x400 metres event at the 1990 European Championships in Split, Yugoslavia.
Soman finished seventh in 4 x 400 metres relay at the 2004 Summer Olympics, together with teammates Satti Geetha, K. M. Beenamol and Rajwinder Kaur.
Elif Yıldırım qualified as the youngest of her country's national athletics team for participation in the 4x400 m relay event at the 2012 Summer Olympics.
She finished sixth in 4 x 400 m relay at the 2005 World Championships, together with teammates Claudia Marx, Claudia Hoffman and Ulrike Urbansky and fifth at the 2006 European Championships with Hoffmann, Anja Pollmächer and Marx.
She made her first appearance on the senior world stage when she took part in the 4 x 400 relay race at the 2003 World Championships in Athletics.
Geetha finished seventh in 4 x 400 metres relay at the 2004 Summer Olympics, together with teammates K. M. Beenamol, Chitra K. Soman and Rajwinder Kaur.
She did however, reach the final with the Czech relay team in the 4 × 400 metres relay in a team which included her, Zuzana Bergrová, Denisa Ščerbová, and Jitka Bartoníčková.