World champion Salwa Eid Naser was provisionally banned for failing whereabouts criteria last week, but the 400 metre runner was already was under investigation for missing doping tests several months before.
The Athletics Integrity Unit suspended the Bahrain runner last week but revealed that it was investigating the runner last year, before she won the global title in Doha, Qatar, for three “whereabouts failures”.
The Nigerian born athlete, who switched allegiance to Bahrain in 2014, has a fourth whereabouts failure in January this year.
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Athletes monitored by AIU are required to provide their whereabouts 90 days in advance for doping tests out-of-competition.
Three whereabouts failures, whether in filing or a missed test, over a 12-month period, can result in a doping violation ruling for which the sanction is two years’ ineligibility subject to reduction depending on the athlete’s degree of fault.
If found guilty, the 22-year-old could be stripped of her 400m title, which she won 48.14 seconds, the third fastest time by a woman.