 After playing in the Women's County Championship in England in 2008, Blackwell made 255 runs at 85.00 with a century and two fifties as Australia swept India 5–0 at home at the start of the 2008–09 season.She continued her strong form in the WNCL, scoring 372 runs at 62.00.Blackwell made consecutive fifties in the two warm-up matches and then scored 190 runs at 38.00 as Australia came fourth in the 2009 World Cup.