Among the enhancements made to the IMSA Prototype Challenge schedule is the evolution of the endurance racing format that debuted in 2018. Along with last year's format changes, the series will extend to a three-hour race format for select events in 2019.

Carmen Fiordirosa will collaborate with partners to grow e-commerce sales for multiple markets in this new role. LSI offers fuel and oil additive products, lubricants and preventative maintenance products.