The Kenyan David Rudisha, who lit up the London Olympics with a bravura display of front running which brought him a gold medal and a 800m world record, has pulled out of the world championships with a quad strain. “In the process I put my muscle under [more] intense stress than when doing normal mileage. “The Russian Anti-Doping Agency is still not World Anti-Doping Agency code-compliant. The urine tests will be done on site in order to detect a wide range of substances including EPO and steroids. The Athletics Integrity Unit also confirmed that over the past 10 months it had carried out 2,000 out-of-competition blood tests and about 3,000 urine tests.

Source: The Guardian July 31, 2017 15:37 UTC