Complex sentence: DCW Television has supported SOME's Trot for Hunger for 13 years and has seen the event, which supports DC's homeless, grow from 300 runners in in 2001 to 13,000 in 2013.
Split into simpler sentences: DCW Television has supported SOME's Trot for Hunger for 13 years, which supports DC's homeless. The event has grown from 300 runners in in 2001 to 13,000 in 2013.