Jacquelyn Crowell (February 16, 1988 – April 25, 2018) was an American racing cyclist. She was a graduate from the University of Florida with a degree in mechanical engineering.[1] She was diagnosed with a gliosarcoma in October 2013 after a hemorrhage caused temporary paralysis on her right side. She underwent surgery, chemotherapy, and radiation under the supervision of doctors at the Preston Robert Tisch Brain Tumor Center at Duke University.[2] In a speech given in May 2014, she discussed her mindset and prognosis.[3] In the last years of her life, Crowell worked part-time at the Dick Lane Velodrome, where she taught bicycle racing to younger riders.[4] She died on April 25, 2018, at the age of 30 after a five-year battle with cancer.[5][6]