Complex sentence: Kobayashi holds six Guinness Records, for eating hot dogs, meatballs, Twinkies, hamburgers, pizza and competed in hot dog contests in 2011 and 2012 and claimed to have eaten 68 and 69.
Split into simpler sentences: Kobayashi holds six Guinness Records, for eating hot dogs, meatballs, Twinkies, hamburgers, pizza. He competed in hot dog contests in 2011 and 2012 and claimed to have eaten 68 and 69.