Lunsford's interest in bodybuilding began during his college years when he shifted from his earlier sports pursuits to weightlifting.

[1] In 2015, Derek Lunsford made his amateur bodybuilding debut at the NPC Indianapolis Championships, where he competed in the Men's Open Welterweight division and emerged as the winner.

He earned his Pro Card in 2017 NPC USA Championships, marking his transition to professional bodybuilding.

[3] In May 2022, Derek Lunsford appeared on IFBB Pittsburgh Pro stage as a guest poser, weighing 257 pounds.

[5] In 2023, Derek Lunsford won both the Mr. Olympia title and the People's Champion Award, becoming the first winner of the competition in two weight divisions: 212 and Open.