Complex sentence: Gorman, who grew up in Japan's Fukushima prefecture during the post-war years, came to the United States in 1964 and, at 5' 0 1/2 tall and 86 pounds, took up running while in her early 30s to gain weight.
Split into simpler sentences: Gorman, who grew up in Japan's Fukushima prefecture during the post-war years, came to the United States in 1964. At 5' 0 1/2 tall and 86 pounds, she took up running while in her early 30s to gain weight.