Svetlana Feofanova of Russia competes in women's pole vaulting event at the Herculis athletics meeting at Louis II stadium in Monaco July 20, 2012. REUTERS/Philippe Laurenson (MONACO - Tags: SPORT ATHLETICS) 

Bronze medalist Svetlana Feofanova of Russia reacts on the podium after the women's pole vault event at the IAAF World Championships in Daegu September 1, 2011. REUTERS/Lee Jae-Won (SOUTH KOREA - Tags: SPORT ATHLETICS)

Bronze medalist Svetlana Feofanova of Russia reacts on the podium after the women's pole vault event at the IAAF World Championships in Daegu September 1, 2011. REUTERS/Lee Jae-Won (SOUTH KOREA - Tags: SPORT ATHLETICS)

Bronze medalist Svetlana Feofanova of Russia reacts on the podium after the women's pole vault event at the IAAF World Championships in Daegu September 1, 2011. REUTERS/Lee Jae-Won (SOUTH KOREA - Tags: SPORT ATHLETICS)

Gold medalist Fabiana Murer of Brazil (C) stands on the podium between silver medalist Martina Strutz of Germany (L) and bronze medalist Svetlana Feofanova of Russia (R) after their women's pole vault event at the IAAF World Championships in Daegu September 1, 2011. REUTERS/Lee Jae-Won (SOUTH KOREA - Tags: SPORT ATHLETICS)

Winner Fabiana Murer of Brazil (L), second-placed Martina Strutz of Germany (R) and third-placed Svetlana Feofanova of Russia wave to the crowd after their women's pole vault final at the IAAF World Championships in Daegu August 30, 2011. REUTERS/Kim Kyung-Hoon (SOUTH KOREA - Tags: SPORT ATHLETICS)

Svetlana Feofanova of Russia competes during the women's pole vault final at the IAAF World Championships in Daegu August 30, 2011. REUTERS/Mark Blinch (SOUTH KOREA - Tags: SPORT ATHLETICS)

Svetlana Feofanova of Russia competes during the women's pole vault final at the IAAF World Championships in Daegu August 30, 2011. REUTERS/Kai Pfaffenbach (SOUTH KOREA - Tags: SPORT ATHLETICS)

Winner Fabiana Murer of Brazil (R) poses with second-placed Martina Strutz of Germany (C) and third-placed Svetlana Feofanova of Russia after their women's pole vault final at the IAAF World Championships in Daegu August 30, 2011. REUTERS/Phil Noble (SOUTH KOREA - Tags: SPORT ATHLETICS)

Svetlana Feofanova of Russia competes in the women's pole vault final at the IAAF World Championships in Daegu August 30, 2011. REUTERS/Max Rossi (SOUTH KOREA - Tags: SPORT ATHLETICS)

Svetlana Feofanova of Russia competes during the women's pole vault final at the IAAF World Championships in Daegu August 30, 2011. REUTERS/Max Rossi (SOUTH KOREA - Tags: SPORT ATHLETICS)

Svetlana Feofanova of Russia competes in the women's pole vault final at the IAAF World Championships in Daegu August 30, 2011. REUTERS/Phil Noble (SOUTH KOREA - Tags: SPORT ATHLETICS)

Svetlana Feofanova of Russia competes during the women's pole vault qualifying event at the IAAF World Championships in Daegu, August 28, 2011. REUTERS/Phil Noble (SOUTH KOREA - Tags: SPORT ATHLETICS)

Svetlana Feofanova of Russia competes during the women's pole vault qualifying event at the IAAF World Championships in Daegu, August 28, 2011.

Russia's Svetlana Feofanova competes in the women's pole vault during the London Grand Prix, Diamond League, athletics meeting at Crystal Palace in London August 5, 2011. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT ATHLETICS)

Svetlana Feofanova of Russia poses with her gold medal during the womens pole vault victory ceremony at the European Athletics Championships in Barcelona July 31, 2010. Silke Spiegelburg of Germany won the silver medal and Lisa Ryzih of Germany won the bronze medal. REUTERS/Miguel Vidal (SPAIN - Tags: SPORT ATHLETICS) 

Svetlana Feofanova of Russia poses with her gold medal during the womens pole vault victory ceremony at the European Athletics Championships in Barcelona July 31, 2010. Silke Spiegelburg of Germany won the silver medal and Lisa Ryzih of Germany won the bronze medal. REUTERS/Miguel Vidal (SPAIN - Tags: SPORT ATHLETICS) 

Silke Spiebelburg of Germany poses with her silver medal during the womens pole vault victory ceremony at the European Athletics Championships in Barcelona July 31, 2010. Svetlana Feofanova of Russia won the gold medal and Lisa Ryzih won the bronze medal. REUTERS/Miguel Vidal (SPAIN - Tags: SPORT ATHLETICS) 

Silke Spiebelburg of Germany poses with her silver medal during the womens pole vault victory ceremony at the European Athletics Championships in Barcelona July 31, 2010. Svetlana Feofanova of Russia won the gold medal and Lisa Ryzih won the bronze medal. REUTERS/Miguel Vidal (SPAIN - Tags: SPORT ATHLETICS) 

Silke Spiebelburg of Germany, Svetlana Feofanova of Russia and Lisa Rizih of Germany (L-R) pose with their medals during the womens pole vault victory ceremony at the European Athletics Championships in Barcelona July 31, 2010. REUTERS/Miguel Vidal (SPAIN - Tags: SPORT ATHLETICS) 

Gold medalist Svetlana Feofanova of Russia celebrates after the women's pole vault final at the European Athletics Championships in Barcelona July 30, 2010. REUTERS/Dominic Ebenbichler (SPAIN - Tags: SPORT ATHLETICS) 

Svetlana Feofanova (C) of Russia, Lisa Ryzih (L) and Silke Spiegelburg celebrate after the women's pole vault final at the European Athletics Championships in Barcelona July 30, 2010. REUTERS/Sergio Perez (SPAIN - Tags: SPORT ATHLETICS) 

Svetlana Feofanova (C) of Russia, Lisa Ryzih (L) and Silke Spiegelburg celebrate after the women's pole vault final at the European Athletics Championships in Barcelona July 30, 2010. REUTERS/Dominic Ebenbichler (SPAIN - Tags: SPORT ATHLETICS) 

Svetlana Feofanova (L) of Russia, Lisa Ryzih (C) and Silke Spiegelburg celebrate after the women's pole vault final at the European Athletics Championships in Barcelona July 30, 2010. REUTERS/Albert Gea (SPAIN - Tags: SPORT ATHLETICS) 

Svetlana Feofanova (C) of Russia, Lisa Ryzih (L) and Silke Spiegelburg celebrate after the women's pole vault final at the European Athletics Championships in Barcelona July 30, 2010. REUTERS/Albert Gea (SPAIN - Tags: SPORT ATHLETICS) 

Svetlana Feofanova (C) of Russia, Lisa Ryzih (L) and Silke Spiegelburg celebrate after the women's pole vault final at the European Athletics Championships in Barcelona July 30, 2010. REUTERS/Dominic Ebenbichler (SPAIN - Tags: SPORT ATHLETICS) 

Gold medalist Svetlana Feofanova of Russia reacts during the women's pole vault final at the European Athletics Championships in Barcelona July 30, 2010. REUTERS/Dominic Ebenbichler (SPAIN - Tags: SPORT ATHLETICS) 

Gold medalist Svetlana Feofanova of Russia reacts during the women's pole vault final at the European Athletics Championships in Barcelona July 30, 2010. REUTERS/Dominic Ebenbichler (SPAIN - Tags: SPORT ATHLETICS) 

Svetlana Feofanova of Russia competes in the women's pole vault final at the European Athletics Championships in Barcelona July 30, 2010. REUTERS/Miguel Vidal (SPAIN - Tags: SPORT ATHLETICS) 

Svetlana Feofanova of Russia competes in the women's pole vault final at the European Athletics Championships in Barcelona July 30, 2010. REUTERS/Dominic Ebenbichler (SPAIN - Tags: SPORT ATHLETICS) 

Gold medallist Fabiana Murer (C) of Brazil, silver medallist Svetlana Feofanova (L) of Russia and bronze medallist Anna Rogowska of Poland pose during the ceremony for the women's Pole Vault at the 2010 IAAF World Indoor Athletics Championships at the Aspire Dome in Doha March 14, 2010. REUTERS/Stringer (QATAR - Tags: SPORT ATHLETICS) 

Gold medallist Yelena Isinbayeva of Russia (C) , Silver medallist Jennifer Stuczynski of the U.S. (L) and bronze medallist Svetlana Feofanova pose during the medal ceremony for the women's pole vault event of the athletics competition in the National Stadium at the Beijing 2008 Olympic Games August 19, 2008. REUTERS/Ruben Sprich (CHINA)

Bronze medallist Svetlana Feofanova poses during the medal ceremony for the women's pole vault event of the athletics competition in the National Stadium at the Beijing 2008 Olympic Games August 19, 2008. REUTERS/Mike Blake (CHINA)

Gold medallist Yelena Isinbayeva of Russia (C) , Silver medallist Jennifer Stuczynski of the U.S. (L) and bronze medallist Svetlana Feofanova poses during the medal ceremony for the women's pole vault event of the athletics competition in the National Stadium at the Beijing 2008 Olympic Games August 19, 2008. REUTERS/Mike Blake (CHINA)

Svetlana Feofanova of Russia competes in the women's pole vault final of the athletics competition in the National Stadium at the Beijing 2008 Olympic Games August 18, 2008. REUTERS/Dylan Martinez (CHINA) 

Svetlana Feofanova of Russia competes in the women's pole vault at the DN Galan athletic meet in Stockholm August 7, 2007. REUTERS/Micaela Malmi (SWEDEN) 

Russia's Svetlana Feofanova competes in the pole vault final during the European indoor athletics championships at the National Indoor Arena in Birmingham, central England, March 4, 2007. REUTERS/Phil Noble (BRITAIN) 

Russia's Svetlana Feofanova competes in the pole vault final during the European indoor athletics championships at the National Indoor Arena in Birmingham, central England, March 4, 2007. REUTERS/Phil Noble (BRITAIN) 

The feet of Russia's Svetlana Feofanova are seen as she clears the bar in the women's pole vault event at the European indoor athletics championships at the National Indoor Arena in Birmingham, central England March 3, 2007. REUTERS/Kieran Doherty (BRITAIN) 

Russia's Svetlana Feofanova competes in the women's pole vault event at the European indoor athletics championships at the National Indoor Arena in Birmingham, central England March 3, 2007. REUTERS/Kieran Doherty (BRITAIN) 

Russian pole vaulter Svetlana Feofanova tapes up her pole during the European indoor athletics championships at the National Indoor Arena in Birmingham, central England March 3, 2007. REUTERS/Phil Noble (BRITAIN) 

Russia's Svetlana Feofanova competes during qualifying for the pole vault during the European indoor athletics championships at the National Indoor Arena in Birmingham, central England March 3, 2007. REUTERS/Phil Noble (BRITAIN) 

Russia's Svetlana Feofanova competes in the pole vault during the Grand Prix Athletics meeting at the National Indoor Arena in Birmingham, Central England, February 17, 2007. REUTERS/Phil Noble (BRITAIN) 

Yelena Isinbayeva (R) and Svetlana Feofanova of Russia hold the national flag after the women's Pole Vault Final at the World Indoor Athletics Championships in Moscow March 11, 2006. Isinbayeva won the event clearing 4.80 metres while Feofanova came in third. REUTERS/Sergei Karpukhin 

Svetlana Feofanova of Russia competes in the Pole Vault event at the World Indoor Athletics Championships in Moscow March 10, 2006. REUTERS/Grigory Dukor 

Russia's Svetlana Feofanova holds her silver medal at the awards ceremony for the women's pole vault at Olympic Stadium at the 2004 Olympic Summer Games August 25, 2004. 

Russia's Svetlana Feofanova holds her silver medal at the awards ceremony for the women's pole vault at Olympic Stadium at the 2004 Olympic Games August 25, 2004. REUTERS/Ruben Sprich JSK/CRB 

Russia's Svetlana Feofanova (L), silver medal winner; Russia's Yelena Isinbayeva (C), gold medal winner, and Poland's Anna Rogowska, bronze medal winner, attend the awards ceremony for the women's pole vault at Olympic Stadium at the 2004 Olympic Games August 25, 2004. Isinbayeva set a world record of 4.91 metres in the event. REUTERS/Ruben Sprich JSK/SV 

Russia's Svetlana Feofanova reacts during competition in the women's pole vault final at Olympic Stadium at the 2004 Olympic Summer Games August 24, 2004. 

Russia's Svetlana Feofanova competes in the women's pole vault final at Olympic Stadium at the 2004 Olympic Games August 24, 2004. REUTERS/Kai Pfaffenbach JSK/AA 

Russia's Svetlana Feofanova reacts during competition in the women's pole vault final at Olympic Stadium at the 2004 Olympic Games August 24, 2004. REUTERS/Kai Pfaffenbach JSK/AA 

Russia's Svetlana Feofanova competes in the women's pole vault final at Olympic Stadium at the 2004 Olympic Games August 24, 2004. REUTERS/Laszlo Balogh JSK/AA 

Russia's Svetlana Feofanova competes in pole vault qualifying at the Athens 2004 Olympic Games August 21, 2004. REUTERS/Mike Blake JSK/AA 

Russia's world record holder Svetlana Feofanova clears the bar at four metres and 80 centimetres during the women's pole vault event at the Madrid IAAF Super Grand Prix in Madrid July 17, 2004. Feofanova, who set the world record last week at four metres and 88 centimetres, won with a vault of four metres and 80 centimetres. REUTERS/Paul Hanna PH/AA 

Russia's world record holder Svetlana Feofanova celebrates after winning the women's pole vault event at the Madrid IAAF Super Grand Prix in Madrid July 17, 2004. Feofanova, who set the world record last week at four metres and 88 centimetres, won with a vault of four metres and 80 centimetres. REUTERS/Paul Hanna PH/AA 

FEOFANOVA OF RUSSIA COMPETES IN THE POLE VAULT EVENT AT THE WORLD INDOOR ATHLETICS CHAMPIONSHIPS IN BUDAPEST. Svetlana Feofanova of Russia competes in the Pole Vault event of the World Indoor Athletics Championships in Budapest on March 6, 2004. REUTERS/Tobias Schwarz 

Russian Svetlana Feofanova poses to photographers after setting a new world record in women's pole vault jumping at 4.85 metres during "Athens 2004" international Indoor meeting at Paiania stadium February 22, 2004. REUTERS/John Kolesidis YK/ACM 

Russian Svetlana Feofanova hangs on the pole on her way to setting a new world record in women's pole vault jumping at 4.85 metres during "Athens 2004" international Indoor meeting at Paiania stadium February 22, 2004. REUTERS/John Kolesidis YK/THI 

Russian Svetlana Feofanova clears the bar at 4.85 metres setting a new world record in women's pole vault during "Athens 2004" international Indoor meeting at Paiania stadium February 22, 2004. REUTERS/Yiorgos Karahalis REUTERS YK/THI 

Russian Svetlana Feofanova reacts after setting a set a new world record in women's pole vault clearing the bar at 4.85 metres during "Athens 2004" international Indoor meeting at Paiania stadium February 22, 2004. REUTERS/Yiorgos Karahalis YK/ACM