Karen Lange

Biography

Karen Lange joined the Duke women’s basketball staff in April of 2022 and serves as an assistant coach with the Blue Devils. In three seasons with the Blue Devils, Lange has helped Duke compile a 77-27 record, win the 2025 ACC Tournament title and make three NCAA Tournament appearances, including the program’s 18th Regional Semifinal in 2023-24 and 12th Regional Final in 2024-25. Lange has also been instrumental in helping orchestrate Duke’s stout defense the past three years. The Blue Devils boasted the nation’s No. 4 defensive rating (72.7) and ranked 10th in opponent points per possession (0.69) in 2024-25, per HerHoopStats. Duke held 32 opponents below their respective season scoring averages and limited 15 teams to 50 points or less, including five foes to fewer than 40. Duke also held its opponents to single digits in 35 quarters and forced 44 shot clock violations during the year. The 2023-24 campaign saw the Blue Devils hold 33 of 34 opponents below their respective season scoring averages and lead the ACC in two categories - scoring defense and blocks. Duke also checked in at No. 2 in field goal percentage defense, rebounding defense and rebounding margin. Nationally, the Blue Devils’ defense checked in at No. 4 nationally per HerHoopStats, while ranking sixth in the NCAA in rejections and in the top 30 in both field goal percentage defense and rebounding margin. In 2022-23, Duke ranked third in the NCAA in scoring defense (51.0) and 10th in field goal percentage def