The New Balance Indoor Grand Prix, formerly known as the Boston Indoor Games, is an annual indoor track and field meet which is held in late January or early February at the Track at New Balance. Prior to 2023, it was hosted at the Reggie Lewis Track and Athletic Center. It was first held in Roxbury, a neighborhood in Boston, in 1996 and has become one of the foremost events of its type in the United States, alongside the Millrose Games.

The Reggie Lewis Track and Athletic Center (RLTAC) is an indoor track and indoor basketball stadium in Roxbury, Massachusetts, partially funded by the state of Massachusetts. It is home to numerous MIAA indoor track and field conferences, along with the MIAA State Championships and the New England High School Championships. Nike Indoor Nationals have been run there since 2008, and the Boston Indoor Games have been run there since their inception. USATF Masters Indoor Championships have been held at the facilities several times.