Claim: Erik Tysse participated in the Men's 20 kilometres walk in the Norway 2011 World Championships in Athletics.
Evidence: On 8 July 2010 Tysse was suspended from all competitions, after findings of CERA (EPO) in his blood tests from Sesto San Giovanni in Italy. He received a two-year ban for doping and the sanction was confirmed by the Court of Arbitration for Sport. The ban ended 7 July 2012.