The first telemark ski competition at Breckenridge Ski Resort in nearly a decade will take place on Feb. 2-3 and test more than 100 junior and adult skiers on Peak 6’s steep and exposed Six Senses.

Telemark skiing must run in the family. Fourteen-year-old Drew Hauser put his telemark skills to the test with his father, Tory, last week, and won a gold medal in the classic race of the U.S.

But telemark unavoidably borrowed much from alpine skiing. A decade before Parker’s Free-Heel Skiing, a Harvard math major ...