A native of Cold Spring, Minnesota, Dylan Tebrake attended Rocori High School, a school in Cold Spring named after the three local towns it served: Rockville, Cold Spring, and Richmond. He was a three-year letterwinner during his time there and attended Creighton University after going undrafted in the 2018 MLB Draft.
In his first season there, Tebrake posted a 3.90 ERA in 30.0 innings, allowing 26 hits, walking 6, and striking out 16. That summer, he pitched for the Madison Mallards of the Northwoods League, posting a 8.79 ERA in 14.1 innings with 24 hits allowed, 7 walks, and 8 strikeouts.