2009 was a successful year for Brittany Lang, the American tied her career-best runner-up finish at the Navistar LPGA Classic Presented by Monaco RV, where she crossed the $2 million mark in career earnings. She also qualified for her first U.S. Solheim Cup Team, one of three rookies on the victorious 2009 team, earning two points in three matches with a 1-0-2 record.

In 2008, Lang tied her career-best runner-up finishes at the Sybase Classic Presented by ShopRite and the Lorena Ochoa Invitational by Banamex and Corona Light, where she carded a career-low 65 in the final round; recorded six additional top-10 finishes, including five in a row to finish the season; crossed the $1 million mark in career earnings with a tie for ninth at the Hana Bank * KOLON Championship.

In 2007, Brittany recorded a season-best tie for fourth at both the Sybase Classic presented by ShopRite and the CN Canadian Women抯 Open.

Brittany Lang turned professional in July 2005 and made her professional debut via a sponsor exemption at the Jamie Farr Owens Corning Classic Presented by Kroger, where she tied for 36th; also competed as a sponsor exemption at the State Farm Classic and the BMO Financial Group Canadian Women抯 Open, where she tied for sixth; tied for 22nd at the LPGA Final Qualifying Tournament Presented by American Airlines and then birdied the final hole of a three-hole, seven-way playoff to earn one of the final three exempt cards for the 2006 LPGA season.