Shayna is a former professional cyclist of 12 years and is a USA Cycling certified coach. She grew up in Roseville, California and graduated from the University of California, Los Angeles with a Bachelor of Arts in Psychology in 2016 and was a member of the UCLA cycling team. She is also a member of the Oneida Nation.

Shayna has been on teams such as the BMC Development Team, Liv Co-Factory Off-Road Team, Team TWENTY24, Legion of Los Angeles, DNA Pro Cycling and the USA National Team. She also has domestic and international professional race experience in road, track, gravel, mountain biking and Esports (Zwift) racing. She has experience racing at events such as the World Championships, National Championships, Pan Am Championships, Pan Am Games, World Cups, Swiss Cups, criteriums, one-day races, and stage races.

Additionally, Shayna co-founded the Dream Catcher Foundation with her husband, Eli Ankou, who is a professional football player and member of the Dokis First Nation in Canada. The foundation aims to empower Native youth through sports by providing equipment and camps. The foundation also aims to raise awareness of the Missing and Murdered Indigenous Women and Girls (MMIWG) crisis in North America, as well as raise funds for organizations actively fighting this crisis.