The US has picked up another gold medal, winning the women's 4x400m relay on Saturday evening.

The team of DeeDee Trotter, Allyson Felix, Francena McCorory and Sanya Richards-Ross won the race at a canter, finishing just a second over the world record, far in front of Russian and Jamaica, who finished second and third.

richards ross

Sanya Richards-Ross led the US to victory

Britain's Shana Cox, Lee McConnell, Eilidh Child and Christine Ohuruogu finished fifth

In Friday's heat, Team GB finished third behind the US and Russia.

The victors, who were 1/10 favourites before the race, clocked the fastest time for 19 years.

The win means the US have stretched their lead in the medal table to 42 gold medals, compared to second place China, who have 37. The UK sit comfortably third on 27 gold medals, with more likely in the boxing on Sunday.

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  • US diver Nicholas McCrory competes in t

    US diver Nicholas McCrory competes in the men's 10m platform semi-finals during the diving event at the London 2012 Olympic Games on August 11, 2012 in London. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/GettyImages)

  • Olympics Day 15 - Canoe Sprint

    WINDSOR, ENGLAND - AUGUST 11: Lisa Carrington of New Zealand celebrates winning gold in the Women's Kayak Single (K1) 200m Sprint on Day 15 of the London 2012 Olympic Games at Eton Dorney on August 11, 2012 in Windsor, England. (Photo by Harry How/Getty Images)

  • Olympics Day 15 - Taekwondo

    LONDON, ENGLAND - AUGUST 11: Maryna Konieva of Ukraine (red) competes against Nadin Dawani of Jordan during the Women's +67kg Taekwondo Preliminary Round on Day 15 of the London 2012 Olympic Games at ExCeL on August 11, 2012 in London, England. (Photo by Lars Baron/Getty Images)

  • Cuba's Jeinkler Aguirre competes in th

    Cuba's Jeinkler Aguirre competes in the men's 10m platform semi-finals during the diving event at the London 2012 Olympic Games on August 11, 2012 in London. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/GettyImages)

  • Olympics Day 15 - Canoe Sprint

    WINDSOR, ENGLAND - AUGUST 11: Gold medal winner Ed Mckeever of Great Britain stands on the podium during the medal ceremony for the Men's Kayak Single (K1) 200m Canoe Sprint on Day 15 of the London 2012 Olympic Games at Eton Dorney on August 11, 2012 in Windsor, England. (Photo by Alexander Hassenstein/Getty Images)

  • Olympics Day 15 - Canoe Sprint

    WINDSOR, ENGLAND - AUGUST 11: Silver medallist Saul Craviotto Rivero (L) of Spain, gold medallist Ed Mckeever of Great Britain and bronze medallist Mark de Jonge of Canada (R) celebrate during the medal ceremony for the Men's Kayak Single (K1) 200m Canoe Sprint on Day 15 of the London 2012 Olympic Games at Eton Dorney on August 11, 2012 in Windsor, England. (Photo by Alexander Hassenstein/Getty Images)

  • Olympics Day 15 - Canoe Sprint

    WINDSOR, ENGLAND - AUGUST 11: Bronze medallist Mark de Jonge of Canada celebrates during the medal ceremony for the Men's Kayak Single (K1) 200m Canoe Sprint on Day 15 of the London 2012 Olympic Games at Eton Dorney on August 11, 2012 in Windsor, England. (Photo by Alexander Hassenstein/Getty Images)

  • Olympics Day 15 - Canoe Sprint

    WINDSOR, ENGLAND - AUGUST 11: Alfonso Benavidez Lopes de Ayala of Spain in action during the Men's Canoe Single (C1) 200m Sprint on Day 15 of the London 2012 Olympic Games at Eton Dorney on August 11, 2012 in Windsor, England. (Photo by Harry How/Getty Images)

  • Olympics Day 15 - Canoe Sprint

    WINDSOR, ENGLAND - AUGUST 11: Silver medallist Saul Craviotto Rivero of Spain, gold medallist Ed Mckeever of Great Britain and bronze medallist Mark de Jonge of Canada celebrate during the medal ceremony for the medal ceremony for the Men's Kayak Single (K1) 200m Canoe Sprint on Day 15 of the London 2012 Olympic Games at Eton Dorney on August 11, 2012 in Windsor, England. (Photo by Harry How/Getty Images)

  • Olympics Day 15 - Diving

    LONDON, ENGLAND - AUGUST 11: Tom Daley of Great Britain competes in the Men's 10m Platform Diving Semifinal on Day 15 of the London 2012 Olympic Games at the Aquatics Centre on August 11, 2012 in London, England. (Photo by Adam Pretty/Getty Images)

  • Britain's Thomas Daley competes in the

    Britain's Thomas Daley competes in the men's 10m platform semi-finals during the diving event at the London 2012 Olympic Games on August 11, 2012 in London. AFP PHOTO / FABRICE COFFRINI (Photo credit should read FABRICE COFFRINI/AFP/GettyImages)

  • London Olympic Games - Day 14

    Great Britain's Lutalo Muhammad with his Bronze medal in the Men's -80kg at the ExCel Arena, London.

  • Olympics Day 15 - Canoe Sprint

    WINDSOR, ENGLAND - AUGUST 11: Gold medallist Ed Mckeever of Great Britain celebrates during the medal ceremony for the Men's Kayak Single (K1) 200m Canoe Sprint on Day 15 of the London 2012 Olympic Games at Eton Dorney on August 11, 2012 in Windsor, England. (Photo by Harry How/Getty Images)

  • Olympics Day 15 - Modern Pentathlon

    LONDON, ENGLAND - AUGUST 11: (EDITORS NOTE: A special effects camera filter was used for this image.) A general view is seen during the Fencing event in the Men's Modern Pentathlon on Day 15 of the London 2012 Olympic Games on August 11, 2012 in London, England. (Photo by Alex Livesey/Getty Images)

  • Olympics Day 15 - Canoe Sprint

    WINDSOR, ENGLAND - AUGUST 11: Jevgenij Shuklin of Lithuania celebrates on the podium after winning the Silver medal in the Men's Canoe Single (C1) 200m Sprint Final on Day 15 of the London 2012 Olympic Games at Eton Dorney on August 11, 2012 in Windsor, England. (Photo by Alexander Hassenstein/Getty Images)

  • Belarus' Liubou Charkashyna performs her

    Belarus' Liubou Charkashyna performs her hoop program during the individual all-around final of the rythmic gymnastics event of the London Olympic Games on August 11, 2012 at Wembley arena in London. AFP PHOTO / THOMAS COEX (Photo credit should read THOMAS COEX/AFP/GettyImages)

  • Brazil's defender Rafael (up) vies for t

    Brazil's defender Rafael (up) vies for the ball with Mexico's defender Darvin Chavez during the men's football final match between Brazil and Mexico at Wembley stadium during the London 2012 Olympic Games on August 11, 2012 in London. AFP PHOTO / DANIEL GARCIA (Photo credit should read DANIEL GARCIA/AFP/GettyImages)

  • Gold medalist Russia's Evgeniya Kanaeva

    Gold medalist Russia's Evgeniya Kanaeva poses on the podium of the rythmic gymnastics individual all-around event of the London Olympic Games on August 11, 2012 at Wembley arena in London. Russia's Evgeniya Kanaeva won gold while her compatriot Daria Dmitrieva took silver and Belarus' Liubou Charkashyna got bronze. AFP PHOTO / THOMAS COEX (Photo credit should read THOMAS COEX/AFP/GettyImages)

  • London Olympic Games - Day 15

    Mexico's Giovani Dos Santos celebrates victory in the Football Men's Gold Medal Match between Mexico and Brazil at Wembley Stadium, on day 15 of the London 2012 Olympics.

  • London Olympic Games - Day 15

    Great Britain's Iain Lewers after losing in the Hockey Men's Bronze Medal Match at the Hockey Centre in the Olympic Park, on day 15 of the London 2012 Olympics.

  • London Olympic Games - Day 15

    Great Britain's Ashley Jackson is consoled by Dan Fox (right) after losing in the Hockey Men's Bronze Medal Match at the Hockey Centre in the Olympic Park, on day 15 of the London 2012 Olympics.

  • London Olympic Games - Day 15

    Spain's Women Match team of Tamara Echegoyen Dominguez (right), Sofia Toro Prieto Puga and Angela Pumariega Menendez (left) celebrate defeating Australia and winning the gold medal at the sailing venue in Weymouth and Portland.

  • London Olympic Games - Day 15

    Ireland's Olive Loughnane in action during the Women's 20km Race Walk at the Mall, London.

  • London Olympic Games - Day 15

    Great Britain stand dejected after losing to Australia during the Men's Bronze Medal match on day fifteen of the Olympic Games at the Hockey Stadium, London.

  • Olympics Day 15 - Wrestling

    LONDON, ENGLAND - AUGUST 11: Ibrahim Bolukbasi of Turkey (red) and Jake Herbert of the United States compete in the Men's Freestyle 84 kg Wrestling on Day 15 of the London 2012 Olympic Games at ExCeL on August 11, 2012 in London, England. (Photo by Paul Gilham/Getty Images)

  • London Olympic Games - Day 15

    Greaet Britain's Christine Ohuruogu (right) starts her leg after collecting the baton from team-mate Perri Shakes-Drayton (left) during the Women's 4 x 400m Relay Final during Day 15 of the London 2012 Olympics at the Olympic Stadium, London.

  • London Olympic Games - Day 15

    Greaet Britain's Perri Shakes-Drayton (left) during her leg of the Women's 4 x 400m Relay Final during Day 15 of the London 2012 Olympics at the Olympic Stadium, London.

  • London Olympic Games - Day 15

    Great Britain's Mo Farah kisses his Great Britain badge as he celebrates winning the Men's 5,000m Final on day fifteen of the London Olympic Games in the Olympic Stadium, London.

  • London Olympic Games - Day 15

    South Africa's Caster Semenya celebrates after finishing second in the Women's 800m Final during Day 15 of the London 2012 Olympics

  • London Olympic Games - Day 15

    South Africa's Caster Semenya celebrates after finishing second in the Women's 800m Final during Day 15 of the London 2012 Olympics

  • London Olympic Games - Day 15

    Russia's Mariya Savinova crosses the finish line to win the Women's 800m Final during Day 15 of the London 2012 Olympics

  • London Olympic Games - Day 15

    Russia's Mariya Savinova (left) is congratulated by South Africa's Caster Semenya after winning the Women's 800m Final during Day 15 of the London 2012 Olympics at the Olympic Stadium, London.

  • London Olympic Games - Day 15

    Great Britain's Mo Farah wins the Men's 5,000m Final on day fifteen of the London Olympic Games in the Olympic Stadium, London.

  • London Olympic Games - Day 15

    Great Britain's Nicholas Woodbridge (right) and Sam Weale (left) after the Combined stage of the Men's Modern Pentathlon at Greenwich Park, on day 15 of the London 2012 Olympics.

  • London Olympic Games - Day 15

    Ireland's Katie Taylor (centre) in the crowds as Great Britain's Luke Campbell competes against Ireland's John Joe Nevin during the Men's Boxing Bantam 56kg Final at the ExCel centre, London, on day 15 of the London 2012 Olympics.

  • London Olympic Games - Day 15

    Great Britain's Mo Farah celebrates winning the 5,000m at the Olympics Stadium, London.

  • London Olympic Games - Day 15

    Jamaica's Usain Bolt celebrates winning the Men's 4x100m Relay on day fifteen of the London Olympic Games in the Olympic Stadium, London.

  • Olympics Day 15 - Athletics

    LONDON, ENGLAND - AUGUST 11: Usain Bolt of Jamaica celebrates winning gold and setting a new world record of 36.84 during the Men's 4 x 100m Relay Final on Day 15 of the London 2012 Olympic Games at Olympic Stadium on August 11, 2012 in London, England. (Photo by Ronald Martinez/Getty Images)

  • Olympics Day 15 - Athletics

    LONDON, ENGLAND - AUGUST 11: Usain Bolt and Yohan Blake of Jamaica celebrate winning gold and setting a new world record of 36.84 during the Men's 4 x 100m Relay Final on Day 15 of the London 2012 Olympic Games at Olympic Stadium on August 11, 2012 in London, England. (Photo by Alexander Hassenstein/Getty Images)

  • Olympics Day 15 - Athletics

    LONDON, ENGLAND - AUGUST 11: Usain Bolt of Jamaica poses on the podium during the medal ceremony for the Men's 4 x 100m Relay on Day 15 of the London 2012 Olympic Games at Olympic Stadium on August 11, 2012 in London, England. (Photo by Alexander Hassenstein/Getty Images)

  • London Olympic Games - Day 15

    Great Britain Mo Farah and his daughter Rihanna celebrates with Usain Bolton medal after victory in the Men's 5000m final on day fifteen of the London Olympic Games in the Olympic Stadium, London.

  • London Olympic Games - Day 15

    Great Britain's Luke Campbell with his Men's Boxing Bantam 56kg gold medal at the ExCeL Centre, London, on day 15 of the London 2012 Olympics.

  • London Olympic Games - Day 15

    Gold medalist Great Britain's Luke Campbell (left) and silver medalist Ireland's John Joe Nevin after the Men's Boxing Bantam 56kg Final at the ExCeL Centre, London, on day 15 of the London 2012 Olympics.

  • London Olympic Games - Day 15

    Gold medalist Great Britain's Luke Campbell (left) and silver medalist Ireland's John Joe Nevin after the Men's Boxing Bantam 56kg Final at the ExCeL Centre, London, on day 15 of the London 2012 Olympics.

  • London Olympic Games - Day 15

    Great Britain's Luke Campbell with his Men's Boxing Bantam 56kg gold medal at the ExCeL Centre, London, on day 15 of the London 2012 Olympics.

  • London Olympic Games - Day 15

    Jamaica's 4x100m relay team celebrate their gold medal in the Olympic Stadium, London, on day 15 of the London 2012 Olympics.

  • London Olympic Games - Day 15

    Czech Republic's David Svobada on the podium after winning the Gold medal in the Modern Pentahlon at Greenwich Park during day 15 of the London 2012 Olympics

  • Olympics Day 15 - Canoe Sprint

    WINDSOR, ENGLAND - AUGUST 11: Gold medallist Ed Mckeever of Great Britain celebrates during the medal ceremony for the Men's Kayak Single (K1) 200m Canoe Sprint on Day 15 of the London 2012 Olympic Games at Eton Dorney on August 11, 2012 in Windsor, England. (Photo by Harry How/Getty Images)

  • Olympics Day 15 - Canoe Sprint

    WINDSOR, ENGLAND - AUGUST 11: Ed Mckeever of Great Britain celebrates winning gold in the Men's Kayak Single (K1) 200m Canoe Sprint on Day 15 of the London 2012 Olympic Games at Eton Dorney on August 11, 2012 in Windsor, England. (Photo by Francisco Leong - IOPP Pool /Getty Images)

  • US diver David Boudia (L) poses with the

    US diver David Boudia (L) poses with the gold medal flanked by bronze medalist (R) Britain's Thomas Daley after winning the men's 10m platform final during the diving event at the London 2012 Olympic Games on August 11, 2012 in London. AFP PHOTO / THOMAS COEX (Photo credit should read THOMAS COEX/AFP/GettyImages)

  • Olympics Day 15 - Diving

    LONDON, ENGLAND - AUGUST 11: Tom Daley competes in the Men's 10m Platform Diving Final on Day 15 of the London 2012 Olympic Games at the Aquatics Centre on August 11, 2012 in London, England. (Photo by Clive Rose/Getty Images)