 Nyorai kupfuurira kweiyi ndima - Muna June 1997, IAAF yakarambidza Decker kumakwikwi. Muna September 1999, dare reUSATF rakamudzorera. IAAF yakamubvumidza kukwikwidza asi yakaendesa nyaya yacho kudare rinotonga. Muna Kubvumbi 1999, dare rekutonga rakamutonga, mushure mezvo IAAF kuburikidza nekurambidzwa kunodzokera kumashure, kunyangwe iye akabvumidzwa kukwikwidza akamubvisa menduru yesirivheri yaakakunda mumamita 1500 pa1997 World Indoor Championships. 