Christina Obergfoell of Germany competes in the javelin event at the ISTAF Berlin Grand Prix athletics meeting in Berlin, September 11, 2011. REUTERS/Tobias Schwarz (GERMANY - Tags: SPORT ATHLETICS) 

Christina Obergfoell of Germany poses with her country's national flag after winning the women's javelin event at the IAAF Diamond League athletics meeting at Letzigrund stadium in Zurich September 8, 2011. REUTERS/Valentin Flauraud (SWITZERLAND - Tags: SPORT ATHLETICS) 

Germany's Christina Obergfoell competes in the women javelin competition at the Berlin Grand Prix athletics competition, August 22, 2010. REUTERS/Fabrizio Bensch (GERMANY) 

Germany's Christina Obergfoell celebrates after winning the women's javelin competion at the ISTAF athletics competition in Berlin, August 22, 2010. REUTERS/Fabrizio Bensch (GERMANY - Tags: SPORT ATHLETICS) 

Germany's Christina Obergfoell (L) celebrates after winning the women's javelin competition with compatriot Linda Stahl at the ISTAF athletics competition in Berlin, August 22, 2010. REUTERS/Fabrizio Bensch (GERMANY - Tags: SPORT ATHLETICS) 

Germany's Christina Obergfoell (L) celebrates after winning the women's javelin competition with compatriot Linda Stahl at the ISTAF athletics competition in Berlin, August 22, 2010. REUTERS/Fabrizio Bensch (GERMANY - Tags: SPORT ATHLETICS) 

Gold medallist Linda Stahl (C) of Germany poses with her compatriot silver medallist Christina Obergfoell (L) and bronze medallist Barbora Spotakova of the Czech Republic during the awards ceremony for the women's javelin throw final at the European Athletics Championships in Barcelona July 30, 2010. REUTERS/Miguel Vidal (SPAIN - Tags: SPORT ATHLETICS) 

Gold medallist Linda Stahl (R) of Germany poses with her compatriot silver medallist Christina Obergfoell during the awards ceremony for the women's javelin throw final at the European Athletics Championships in Barcelona July 30, 2010. Stahl won the gold medal with 66.81 metres ahead of Obergfoell who won the silver medal and Barbora Spotakova of the Czech Republic who won the bronze medal. REUTERS/Miguel Vidal (SPAIN - Tags: SPORT ATHLETICS) 

Gold medallist Linda Stahl (R) of Germany poses with her compatriot silver medallist Christina Obergfoell during the awards ceremony for the women's javelin throw final at the European Athletics Championships in Barcelona July 30, 2010. Stahl won the gold medal with 66.81 metres ahead of Obergfoell who won the silver medal and Barbora Spotakova of the Czech Republic who won the bronze medal. REUTERS/Miguel Vidal (SPAIN - Tags: SPORT ATHLETICS) 

Christina Obergfoell of Germany poses with her silver medal during the awards ceremony for the women's javelin throw final at the European Athletics Championships in Barcelona July 30, 2010. Linda Stahl of Germany won the gold medal with 66.81 metres ahead of her compatriot Obergfoell who won the silver medal and Barbora Spotakova of the Czech Republic who won the bronze medal. REUTERS/Miguel Vidal (SPAIN - Tags: SPORT ATHLETICS) 

Gold medallist Linda Stahl (R) of Germany celebrates with her compatriot silver medallist Christina Obergfoell after the women's javelin throw final at the European Athletics Championships in Barcelona July 29, 2010. Stahl won the gold medal with 66.81 metres ahead of Obergfoell who won the silver medal and Barbora Spotakova of the Czech Republic who won the bronze medal. REUTERS/Dominic Ebenbichler (SPAIN - Tags: SPORT ATHLETICS)

German javelin medalists Christina Obergfoell (L) and Linda Stahl (R) pose together with German 100 metres gold medalist Verena Sailer during the European Athletics Championships at the Olympic stadium in Barcelona July 29, 2010. REUTERS/Gustau Nacarino (SPAIN - Tags: SPORT ATHLETICS)

German javelin medalists Christina Obergfoell (L) and Linda Stahl (R) pose together with German 100 metres gold medalist Verena Sailer during the European Athletics Championships at the Olympic stadium in Barcelona July 29, 2010. REUTERS/Gustau Nacarino (SPAIN - Tags: SPORT ATHLETICS)

Gold medallist Linda Stahl (R) of Germany celebrates with her compatriot silver medallist Christina Obergfoell after the women's javelin throw final at the European Athletics Championships in Barcelona July 29, 2010. Stahl won the gold medal with 66.81 metres ahead of Obergfoell who won the silver medal and Barbora Spotakova of the Czech Republic who won the bronze medal. REUTERS/Dominic Ebenbichler (SPAIN - Tags: SPORT ATHLETICS)

Christina Obergfoell of Germany competes in the women's javelin throw final at the European Athletics Championships in Barcelona July 29, 2010. REUTERS/Dominic Ebenbichler (SPAIN - Tags: SPORT ATHLETICS)

REFILE - CORRECTING NAME OF ATHLETE Christina Obergfoell of Germany reacts after competing in the women's javelin throw final at the European Athletics Championships in Barcelona July 29, 2010. REUTERS/Albert Gea (SPAIN - Tags: SPORT ATHLETICS)

REFILE - CORRECTING NAME OF ATHLETE Christina Obergfoell of Germany reacts after competing in the women's javelin throw final at the European Athletics Championships in Barcelona July 29, 2010. REUTERS/Albert Gea (SPAIN - Tags: SPORT ATHLETICS)

Christina Obergfoell of Germany reacts after competing in the women's javelin throw final at the European Athletics Championships in Barcelona July 29, 2010. REUTERS/Dominic Ebenbichler (SPAIN - Tags: SPORT ATHLETICS)

Christina Obergfoell of Germany reacts after competing in the women's javelin throw final at the European Athletics Championships in Barcelona July 29, 2010. REUTERS/Dominic Ebenbichler (SPAIN - Tags: SPORT ATHLETICS)

Christina Obergfoell of Germany competes during the women's javelin final at the world athletics championships at the Olympic stadium in Berlin August 18, 2009. REUTERS/Kai Pfaffenbach (GERMANY) 

Christina Obergfoell of Germany competes during the women's javelin final at the world athletics championships at the Olympic stadium in Berlin August 18, 2009. REUTERS/Kai Pfaffenbach (GERMANY) 

Christina Obergfoell of Germany reacts during the women's javelin event at the Super Grand Prix athletics meeting at the stade Olympic in Lausanne July 7, 2009. REUTERS/Denis Balibouse (SWITZERLAND SPORT ATHLETICS) 

Christina Obergfoell of Germany prepares during the women's javelin event at the Super Grand Prix athletics meeting at the stade Olympic in Lausanne July 7, 2009. REUTERS/Denis Balibouse (SWITZERLAND SPORT ATHLETICS) 

Germany's Christine Obergfoll competes in the women's javelin throw at the IAAF World Athletics Tour Zlata Tretra Ostrava (Golden Spike) in Ostrava June 17, 2009. REUTERS/David W Cerny (CZECH REPUBLIC SPORT ATHLETICS) 

Germany's Christina Obergfoell competes in the women's javelin throw event the IAAF World Athletics Final in Stuttgart September 13, 2008. REUTERS/Michael Dalder (GERMANY) 

Germany's Christina Obergfoell competes in the women's javelin event at the German track and field athletics championships in Nuremberg July 5, 2008. REUTERS/Michaela Rehle (GERMANY) 

Germany's Christine Obergfoell competes in the women's javelin throw during the Golden Spike World Athletics Tour meeting in Ostrava June 12, 2008. REUTERS/David W Cerny (CZECH REPUBLIC) 

German javelin thrower Christina Obergfoell poses for photographers as she arrives at the red carpet for the Gala of sport in Wiesbaden, February 2, 2008. REUTERS/Kai Pfaffenbach(GERMANY) 

Germany's Betty Heidler (L) and Christine Obergfoell participate in the closing ceremony of the 11th IAAF World Athletics Championships in Osaka September 2, 2007. Heidler won the gold medal for the women's hammer throw event and Obergfoell won the silver medal for javelin throw. REUTERS/Kai Pfaffenbach (JAPAN) 

Silver medallist Germany's Christina Obergfoell poses with compatriot bronze medallist Steffi Nerius during the prize presentation for the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka September1, 2007. REUTERS/Ruben Sprich (JAPAN) 

Silver medallist Germany's Christina Obergfoell poses with her medal during the prize presentation for the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka September1, 2007. REUTERS/Ruben Sprich (JAPAN) 

Gold medallist Czech Republic's Barbora Spotakova (C) poses with silver Germany's Christina Obergfoell (L) and bronze medallist compatriot Steffi Nerius during the prize presentation for the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka September1, 2007. REUTERS/Ruben Sprich (JAPAN) 

Gold medallist Czech Republic's Barbora Spotakova (C) poses with silver Germany's Christina Obergfoell (L) and bronze medallist compatriot Steffi Nerius during the prize presentation for the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka September1, 2007. REUTERS/Ruben Sprich (JAPAN) 

Germany's Christina Obergfoell reacts as she competes in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. REUTERS/Ruben Sprich (JAPAN) 

Germany's Christina Obergfoell reacts as she competes in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. REUTERS/Ruben Sprich (JAPAN) 

Germany's Christina Obergfoell celebrates her win in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. Obergfoell placed second. REUTERS/Kai Pfaffenbach (JAPAN) 

Germany's Christina Obergfoell (L) and compatriot Steffi Nerius celebrate after competing in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. Obergfoell placed second and Nerius third. REUTERS/Kai Pfaffenbach (JAPAN) 

A combination of three pictures shows Germany's Christina Obergfoell (R) and compatriot Steffi Nerius celebrating with the "La Ola" after competing in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. Obergfoell placed second and Nerius third. REUTERS/Kai Pfaffenbach (JAPAN) 

Germany's Christina Obergfoell (L) and compatriot Steffi Nerius celebrate after competing in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. Obergfoell placed second and Nerius third. REUTERS/Kai Pfaffenbach (JAPAN) 

Germany's Christina Obergfoell (R) and compatriot Steffi Nerius celebrate after competing in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. Obergfoell placed second and Nerius third. REUTERS/Kai Pfaffenbach (JAPAN) 

Germany's Christina Obergfoell (R) and compatriot Steffi Nerius celebrate after competing in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. Obergfoell placed second and Nerius third. REUTERS/Kai Pfaffenbach (JAPAN) 

Germany's Christina Obergfoell (R) and compatriot Steffi Nerius celebrate after competing in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. Obergfoell placed second and Nerius third. REUTERS/Kai Pfaffenbach (JAPAN) 

Czech Republic's Barbora Spotakova (R) and Germany's Christina Obergfoell clasp hands after the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. Spotakova placed first and Obergfoell second. REUTERS/Kai Pfaffenbach (JAPAN) 

Germany's Christina Obergfoell reacts as she competes in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. REUTERS/Kai Pfaffenbach (JAPAN) 

Germany's Christina Obergfoell reacts as she competes in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. REUTERS/Kai Pfaffenbach (JAPAN) 

Germany's Christina Obergfoell reacts as she competes in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. REUTERS/Kai Pfaffenbach (JAPAN) 

Germany's Christina Obergfoell reacts after her throw in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. REUTERS/Kai Pfaffenbach (JAPAN) 

Germany's Christina Obergfoell competes in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. REUTERS/Kai Pfaffenbach (JAPAN) 

Germany's Christina Obergfoell competes in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. REUTERS/Kai Pfaffenbach (JAPAN) 

Germany's Christina Obergfoell competes in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. REUTERS/Kai Pfaffenbach (JAPAN) 

Germany's Christina Obergfoell reacts as she competes in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. REUTERS/Dylan Martinez (JAPAN) 

Germany's Christina Obergfoell reacts as she competes in the women's javelin throw final at the 11th IAAF World Athletics Championship in Osaka August 31, 2007. REUTERS/Dylan Martinez (JAPAN) 

Christina Obergfoell of Germany throws the javelin during the IAAF Super Grand Prix athletics meeting in Lausanne July 10, 2007. REUTERS/Denis Balibouse (SWITZERLAND) 

Germany's Christina Obergfoell competes in the javelin event at the EAA European Athletics Team Cup in Munich June 23, 2007. REUTERS/Michael Dalder (GERMANY) 

Germany's Christina Obergfoell competes in the javelin event at the EAA European Athletics Team Cup in Munich June 23, 2007. REUTERS/Michael Dalder (GERMANY) 

Germany's Christina Obergfoell competes in the javelin event at the EAA European Athletics Team Cup in Munich June 23, 2007. REUTERS/Michael Dalder (GERMANY) 

Germany's Christina Obergfoell celebrates her European record while competing in the javelin event at the EAA European Athletics Team Cup in Munich June 23, 2007. REUTERS/Michael Dalder (GERMANY) 

Germany's Christina Obergfoell celebrates her European record while competing in the javelin event at the EAA European Athletics Team Cup in Munich June 23, 2007. REUTERS/Michael Dalder (GERMANY) 

Christina Obergfoell of Germany celebrates after the women's javelin final at the world athletics championships in Helsinki August 14, 2005. Obergfoell won the silver and [Nerius won the bronze.] 

Winners of women's javelin display medals during awards ceremony at world athletics championships in Helsinki. (L-R) Christina Obergfoell of Germany, Osleidys Menendez of Cuba and Steffi Nerius of Germany display their medals during the awards ceremony for the women's javelin at the world athletics championships in Helsinki August 14, 2005. Menendez won the gold with a throw of 71.70 metres, ahead of Obergfoell who won silver and Nerius who won the bronze. REUTERS/Kai Pfaffenbach