American Motorcyclist Association announces anti-doping test results for AMA Supercross competitors
The American Motorcyclist Association (AMA) reports that anti-doping testing was conducted at the San Diego (Feb. 11) and St. Louis (March 3) rounds of the AMA Supercross Championship.
No prohibited substances or their metabolites or markers, or the use of prohibited methods, were found in the tested samples.
AMA Supercross Lites class riders tested in San Diego were Dean Wilson, Matt Moss and Cole Seely. AMA Supercross Lites class riders tested in St. Louis were Ken Roczen, Blake Wharton and Justin Barcia.