December 19 - Olympic 1500 metres champion Asli Çakır Alptekin has been cleared of doping violations, it was announced today by the Turkish Athletics Federation (TAF), although the decision could be challenged by the world governing body.
Çakır Alptekin was provisionally suspended by the TAF in May after abnormalities were detected in her biological passport, resulting in her missing the World Championships in Moscow in August.
She had already served a two-year suspension in 2004 after a positive dope test at the World Junior Championships.
A second offence could have resulted in a lifetime ban.
The International Association of Athletics Federations (IAAF), however, claimed it had not yet received the full judgement on Çakır Alptekin in English and would decide whether to challenge the decision after receiving it.
Earlier this year, an IAAF spokesman confirmed the biological passport case, revealing "abnormalities" had been discovered immediately after London 2012, where she was the surprise winner of the gold medal having improved 17 seconds over the course of the year.
"We will review the decision upon receipt and decide whether or not it should be appealed to CAS (the Court of Arbitration for Sport) as per IAAF rules," said a spokesman.
Biological passports work by creating individual blood profiles for each athlete, rather than testing for specific performance-enhancing drugs.
If a blood reading deviates markedly from previous measures an athlete can face a doping charge.
More than 30 athletes, including double European 100m hurdles champion Nevin Yanit, have been suspended by the TAF for doping this year.
The scandal overshadow Istanbul's unsuccessful bid to host the 2020 Olympics and Paralympics with IAAF President Lamine Diack warning them publicly that they needed to "clean their house".
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May 2013: Olympic 1500m champion faces being stripped of gold medal after IAAF launch investigation