Complex sentence: The first Spartan Race World Championship was held in December 2011 in Glen Rose, Texas as an eight-mile Spartan Race course comprising 36 obstacles and included a USD $20,000 prize purse.
Split into simpler sentences: The first Spartan Race World Championship was held in December 2011 in Glen Rose, Texas. It is an eight-mile Spartan Race course comprising 36 obstacles and includes a USD $20,000 prize purse.