Brayden Sadler is a two-sport athlete for Udall High School, where he played basketball and ran track. Sadler is a highly decorated basketball player for Udall. He holds the school records in most career points (1,747), most three-point baskets in a game (eight) and most points scored in a game (48).

He received first team all-league honors as a junior and a senior and was second team all-state as a junior and first team all-state as a senior.

In track, Sadler is a part of the 4×400 relay team that holds the school record (3:38:28). Next year, Sadler plans to play basketball at Ottawa University and major in Exercise Science.