Buuxi weedha soo socota: 2005 ICF Sprint Canoe World Championships, Johnson wuxuu dhammeeyay 8aad ee K-1 500 m iyo 8aad ee K-1 1000 m. 2006 ICF Sprint Canoe World Championships, Johnson wuxuu dhammeeyay kaalinta 6-aad ee K-1 500 m iyo kaalinta 7-aad ee K-1 1000 m. Marka la eego
2007 ICF Sprint Canoe World Championships, Johnson wuxuu dhammeystirey kaalinta 4aad ee K-1 1000 m iyo 5aad ee K-1 500 m. 2010 ICF Sprint Canoe World Championships, Johnson iyo saaxiibkeed Krisztina Fazekas-Zur waxay dhammeeyeen kaalinta 10aad ee K-2 500 m, iyagoo ku guuleystay finalka B.