[3][4] In 2022 Simmers, who was 16-years old, decided to withdraw from the 2022 WSL Championship Tour to focus on developing her surfing and staying close to her family.
[6] She won the first CS event in 2022, beating Molly Picklum in the grand final of the Boost Mobile Gold Coast Pro in Australia.
Her first major result was victory at MEO Rip Curl Pro Portugal beating Courtney Conlogue in the grand final.
[12] Simmers started the 2024 season by winning the Lexus Pipe Pro stage for the first time, beating Molly Picklum in the final.
[16] Parents, Ryan and Tracy Simmers, and brother, Timo, are all surfers, and were instrumental in encouraging Caitlin in the sport.