China's anti-doping authorities today said that eight athletes had tested positive for banned substances in the second quarter of the year, including one through biological passport. The athletes who tested positive, include a top women's marathon runner Wang Jiali, thus becoming the first Chinese to fail the biological passport program. Former Beijing Marathon winner and National champion Jiali has been suspended since February after anomalies were discovered in her biological passport, which recorded data from her blood samples collected between May 2012 and January 2013.State run Xinhua news agency reported that China's Anti-Doping Agency said the rise in number of positive cases may have something to do with the approaching Chinese National Games.