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Pilot Nick Cunningham and Dallas Robinson of the United States team 3 make a run during the Men's Two-Man Bobsleigh heats on Day 9 of the Sochi 2014 Winter Olympics at Sliding Center Sanki on February 16, 2014 in Sochi, Russia. (Photo by Alex Livesey/Getty Images) ( 469720481 )

Canada's Lyndon Rush and Lascelles Brown head down turn five for the Two-man Bobsleigh at the Sanki Sliding Center for the 2014 Winter Olympics in Krasnaya Polyana, Russia, on Sunday, Feb. 16, 2014. (Nhat V. Meyer/Bay Area News Group)

Thomas Florschuetz (L) and Kevin Kuske of Germany 2 compete in the Two-man Heat 1 Bobsleigh event in Sliding Center Sanki at the Sochi 2014 Olympic Games, Krasnaya Polyana, Russia, on Feb. 16, 2014. EPA/Fredrik Von Erichsen ( RUSSIA SOCHI 2014 OLYMPIC GAMES )

A spectator watches the first run of the Two-Man Bobsleigh competition at the Sanki Sliding Center at the Sochi 2014 Olympic Games, Krasnaya Polyana, Russia, on Feb. 16, 2014. EPA/JENS BUETTNER ( RUSSIA SOCHI 2014 OLYMPIC GAMES )

Alexander Zubkov (front) and Alexey Voevoda of Russia react after the second run of the Two-Man Bobsleigh competition at the Sanki Sliding Center at the Sochi 2014 Olympic Games, Krasnaya Polyana, Russia, on Feb. 16, 2014. EPA/JENS BUETTNER ( RUSSIA SOCHI 2014 OLYMPIC GAMES )

A Latvian team heads down turn five for the Two-man Bobsleigh at the Sanki Sliding Center for the 2014 Winter Olympics in Krasnaya Polyana, Russia, on Sunday, Feb. 16, 2014. (Nhat V. Meyer/Bay Area News Group)

The team from Great Britain GBR-1, piloted by Lamin Deen and brakeman John Baines, start their first run during the men's two-man bobsled competition at the 2014 Winter Olympics, Sunday, Feb. 16, 2014, in Krasnaya Polyana, Russia. (AP Photo/Dita Alangkara) ( Sochi Olympics Bobsleigh Men )

Pilot Alexander Kasjanov and Maxim Belugin of Russia team 2 make a run during the Men's Two-Man Bobsleigh heats on Day 9 of the Sochi 2014 Winter Olympics at Sliding Center Sanki on February 16, 2014 in Sochi, Russia. (Photo by Pascal Le Segretain/Getty Images) ( 469737049 )

Steven Holcomb and† Steven Langton of USA in action during the second run of the Two-Man Bobsleigh competition at the Sanki Sliding Center at the Sochi 2014 Olympic Games, Krasnaya Polyana, Russia, on Feb. 16, 2014. EPA/TOBIAS HASE ( RUSSIA SOCHI 2014 OLYMPIC GAMES )

Pilot Loic Costerg and Romain Heinrich of France team 1 make a run during the Men's Two-Man Bobsleigh heats on Day 9 of the Sochi 2014 Winter Olympics at Sliding Center Sanki on February 16, 2014 in Sochi, Russia. (Photo by Alex Livesey/Getty Images) ( 469750341 )

Pilot Alexander Kasjanov and Maxim Belugin of Russia team 2 make a run during the Men's Two-Man Bobsleigh heats on Day 9 of the Sochi 2014 Winter Olympics at Sliding Center Sanki on February 16, 2014 in Sochi, Russia. (Photo by Pascal Le Segretain/Getty Images) ( 469737051 )

Supporters of Jamaica watch the first run of the Two-Man Bobsleigh competition at the Sanki Sliding Center at the Sochi 2014 Olympic Games, Krasnaya Polyana, Russia, on Feb. 16, 2014. EPA/JENS BUETTNER ( RUSSIA SOCHI 2014 OLYMPIC GAMES )

Switzerland competes in the Two-man Bobsleigh at the Sanki Sliding Center for the 2014 Winter Olympics in Krasnaya Polyana, Russia, on Sunday, Feb. 16, 2014. (Nhat V. Meyer/Bay Area News Group)

A German team heads out of the starting area for the Two-man Bobsleigh at the Sanki Sliding Center for the 2014 Winter Olympics in Krasnaya Polyana, Russia, on Sunday, Feb. 16, 2014. (Nhat V. Meyer/Bay Area News Group)

Alexander Zubkov and Alexey Voevoda of Russia 1 compete in the Two-man Heat 2 Bobsleigh event in Sliding Center Sanki at the Sochi 2014 Olympic Games, Krasnaya Polyana, Russia, on Feb. 16, 2014. EPA/FREDRIK VON ERICHSEN ( RUSSIA SOCHI 2014 OLYMPIC GAMES )

Russia's Alexander Zubkov and Alexey Voevoda head down turn five for the Two-man Bobsleigh at the Sanki Sliding Center for the 2014 Winter Olympics in Krasnaya Polyana, Russia, on Sunday, Feb. 16, 2014. (Nhat V. Meyer/Bay Area News Group)

Pilot Heath Spence and Duncan Harvey of Australia team 1 make a run during the Men's Two-Man Bobsleigh heats on Day 9 of the Sochi 2014 Winter Olympics at Sliding Center Sanki on February 16, 2014 in Sochi, Russia. (Photo by Alex Livesey/Getty Images) ( 469726705 )

Fans watch Germany head down the Two-man Bobsleigh at the Sanki Sliding Center for the 2014 Winter Olympics in Krasnaya Polyana, Russia, on Sunday, Feb. 16, 2014. (Nhat V. Meyer/Bay Area News Group)

Winston Watts and Marvin Dixon of Jamaica after the second run of the Two-Man Bobsleigh competition at the Sanki Sliding Center at the Sochi 2014 Olympic Games, Krasnaya Polyana, Russia, on Feb. 16, 2014. EPA/JENS BUETTNER ( RUSSIA SOCHI 2014 OLYMPIC GAMES )

USA bobsled driver Nick Cunningham, of Monterey, chats with other bobsledders before the Two-man Bobsleigh at the Sanki Sliding Center for the 2014 Winter Olympics in Krasnaya Polyana, Russia, on Sunday, Feb. 16, 2014. (Nhat V. Meyer/Bay Area News Group)

Romania-1 two-man bobsleigh steered by Nicolae Istrate races in the Bobsleigh Two-man, Heat 2 at the Sanki Sliding Center in Rosa Khutor during the Sochi Winter Olympics on February 16, 2014. LEON NEAL/AFP/Getty Images ( 527150806 )

Winston Watts of Jamaica reacts after the first run of the Two-Man Bobsleigh competition at the Sanki Sliding Center at the Sochi 2014 Olympic Games, Krasnaya Polyana, Russia, on Feb. 16, 2014. EPA/JENS BUETTNER ( RUSSIA SOCHI 2014 OLYMPIC GAMES )

USA bobsled driver Nick Cunningham, front, of Monterey, competes in the Two-man Bobsleigh at the Sanki Sliding Center for the 2014 Winter Olympics in Krasnaya Polyana, Russia, on Sunday, Feb. 16, 2014. (Nhat V. Meyer/Bay Area News Group)

A young fan with an American flag waits for the start of the men's two-man bobsled competition at the 2014 Winter Olympics, Sunday, Feb. 16, 2014, in Krasnaya Polyana, Russia. (AP Photo/Natacha Pisarenko) ( APTOPIX Sochi Olympics Bobsleigh Men )

Pilot Justin Kripps and Bryan Barnett of Canada team 3 make a run during the Men's Two-Man Bobsleigh heats on Day 9 of the Sochi 2014 Winter Olympics at Sliding Center Sanki on February 16, 2014 in Sochi, Russia. (Photo by Alex Livesey/Getty Images) ( 469720751 )

Pilot Beat Hefti and Alex Baumann of Switzerland team 1 make a run during the Men's Two-Man Bobsleigh heats on Day 9 of the Sochi 2014 Winter Olympics at Sliding Center Sanki on February 16, 2014 in Sochi, Russia. (Photo by Al Bello/Getty Images) ( 469744773 )

Fans jump and cheer as the team from Russia RUS-1, piloted by Alexander Zubkov and brakeman Alexey Voevoda, speeds down the track during the men's two-man bobsled competition at the 2014 Winter Olympics, Sunday, Feb. 16, 2014, in Krasnaya Polyana, Russia. (AP Photo/Dita Alangkara) ( Sochi Olympics Bobsleigh Men )

Workers prepare the course for the Two-man Bobsleigh at the Sanki Sliding Center for the 2014 Winter Olympics in Krasnaya Polyana, Russia, on Sunday, Feb. 16, 2014. (Nhat V. Meyer/Bay Area News Group)

Cory Butner (R) and Christopher Fogt during the Two-Man Bobsleigh competition at the Sanki Sliding Center at the Sochi 2014 Olympic Games, Krasnaya Polyana, Russia, on Feb. 16, 2014. EPA/JENS BUETTNER ( RUSSIA SOCHI 2014 OLYMPIC GAMES )