Complex sentence: Kintner made up and went beyond a 13-point deficit with her sixth place and Martin's crash, became the one US Women's representative in the BMX racing event, and received a bronze medal.
Split into simpler sentences: Kintner made up and went beyond a 13-point deficit with her sixth place and Martin's crash. Kintner became the sole US Women's representative in the BMX racing event and received a bronze medal.