Complex sentence: Nascar Day is a one-day celebration of the NASCAR spirit and its fans.Annually held on the Friday prior to the NASCAR NEXTEL All-Star Challenge in May, NASCAR Day has become one of the most important and fastest-growing traditions in the NASCAR Family.
Split into simpler sentences: Nascar Day is a one-day celebration of the NASCAR spirit and its fans. Held annually on the Friday prior to the NASCAR NEXTEL All-Star Challenge in May, NASCAR Day has become one of the most important and fastest-growing traditions in the NASCAR Family.