In 2019, at age 15, he competed in the 119th U.S. Amateur Golf Championship at Pinehurst.
Lincoln, who started playing golf as a preschooler, earned a golf scholarship to UCLA.
Lincoln's sister is the actress-singer/songwriter Louisa Melcher whose viral hit "New York Summer" inspired TikTok's Covid era "Grocery Store Musical.".
Lincoln is a member of UCLA's improv troupe "The Sidekicks" and writes comedy for "The Westwood Enabler.".
Lincoln trains in Meisner technique at Playhouse West.
