IMSA stripped Tower Motorsports of its LMP2 class victory at the Rolex 24 at Daytona because of a technical infraction. The win was awarded to runner-up United Autosports. United is co-owned by ...

It was the No. 7 full-time IMSA entry that won ... Racing’s entries was knocked out of the race Saturday night not long after two-time Rolex winner Kamui Kobayashi had driven it to the lead.

Another Cadillac — the one supported by IMSA and NASCAR chairman Jim France — held the lead at the time of the crash in what is shaping up to be a battle with defending race winner Porsche ...

Ganassi is in Shank's position this year and out of IMSA because Cadillac switched its program from Ganassi to Wayne Taylor Racing. As Ganassi searches for a new partner and a return to the sports ...