As a junior athlete, George represented the United States at the 2010 World Junior Championships. She placed seventh in the 400 m final. She later anchored the United States 4 × 400 m team to a gold medal ahead of the Nigerian team which placed second. At this championship meet, George expressed her desire to run for Nigeria (whose team finished a half second behind her for the silver medal) to the Nigerian coach, Gabriel Okon. She began to compete for Nigeria in 2012, ahead of the African Championships and London Olympics.