[6] He played competitive travel basketball, and his mother recalls that because of his size: "Kids would always be kind of ricocheting off of him in the game.
[4] As a junior, he was Honorable Mention Marin County Athletic League on both the offensive and defensive lines.
[4] In his senior season he was team captain, and was named Lineman of the Year by the Marin County Athletic League, first-team All-State Medium School by Cal-Hi Sports, and San Francisco All-Metro.
[11][4][3] In 2017, Curhan started in all 12 games on offense for the California Golden Bears, playing right tackle while earning Pac-12 Conference All-Academic honors.
[4] Prior to his junior year, he was named fourth-team preseason All-Pac-12 by Athlon and Phil Steele, and honorable mention by Pro Football Focus (PFF).
[4] In a shortened 2020 season that included just four games, he made two starts, only missed two due to Covid contact tracing.
[3][10] As a junior he was a member of the conference's initial Pac-12 Academic Honor Roll that replaced its Pac-12 All-Academic teams.
[3] On January 30, 2021, Curhan played for the National team in a 27–24 victory over the American squad in the 2021 Senior Bowl.
[4] The Pro Football Network reported: "Curhan showed potentially underrated athleticism at 6-foot-6, 323 pounds, and his length also gives him utility in the trenches.
16 offensive tackle in the draft, described him as a "steady pass protector and quality run blocker," and projected him as being picked in the third to fifth round.
[20][18][11][21] He made his NFL debut in week one against the Indianapolis Colts on September 12, 2021, appearing on four snaps in the 28–16 win.