Racing's Rite of Spring: The Mobil 1 Twelve Hours of Sebring

A preview, and look at the impact, of the 12 Hours of Sebring, taking place, this Saturday.

http://www.imsa.com/articles/racings-rite-spring-mobil-1-twelve-hours-sebring

...And, a bonus.

More Than 140 Entries Across Four IMSA-Sanctioned Series, Contine 63-Year Tradition at Sebring

http://www.imsa.com/articles/more-140-entries-across-four-imsa-sanctioned-series-continue-63-year-tradition-sebring