Complex sentence: Lessing has won numerous Ironman 70.3 races on the World Triathlon Corporation Circuit, including the inaugural 70.3 at Walt Disney World Florida in 2004, and again in 2005.
Split into simpler sentences: Lessing has won numerous Ironman 70.3 races on the World Triathlon Corporation Circuit. Including the inaugural 70.3 at Walt Disney World Florida in 2004, He repeated as champion there in 2005.