IMSA President John Doonan has teased further growth for IMSA’s GTP class in the coming years during today’s pre-Rolex 24 ...

"I think their leadership is very engaged, communicates very well, are youthful in their thinking," added Brown, whose privately owned United Autosports team competes in IMSA's LMP2 class.

IMSA striped Tower Motorsports of its LMP2 class victory at the Rolex 24 at Daytona because of a technical infraction. The victory was given Wednesday to runner-up United Autosports, the team co ...