[1] Allen began trail running while she was studying for her PhD in science, but shortly after started competing—and winning—races.
[2] In 2017, Allen was ranked one of the top runners in the world when she suffered a near-fatal accident while competing in the Hamperroken Skyrace in Tromsø, Norway.
[4] Allen, nicknamed "Hillygoat," endured a year of physical and mental recovery before returning to the sport to compete in the Broken Arrow Vertical Kilometer race in mid-2018.
[6] Two years after her accident, Allen returned to compete in the Hamperroken Skyrace and conquered the course that almost killed her.
[7] In 2019, she gave a TedX talk about her recovery titled "You Can Challenge the Impossible.