Cody Lefever (GZCL) verified coach

Long time Marine, competitive powerlifter, and founder of the GZCL Method


About Cody

Cody Lefever has established a cultish following for his training programs, coaching, and extensiveness of free resources on his blog (Swole at Every Height) and the Reddit community.

In 2022, Cody opened up North America’s Highest Gym in Almba, Colorado. Located at 10,361 feet elevation, Alma’s Gym is high up in the Rocky Mountains approximately 2 hours outside of Denver. It is a place for locals and tourists alike to get stronger and develop their bodies.

Boostcamp officially partnered with Cody to turn his most popular program, GZCLP, from spreadsheet into our simple-to-use mobile app format, with personalized onboarding, automatic progressions, and video exercise guidance.



  • 10 year active duty Marine veteran with rifleman (0311) and community services (4133) specialties.

  • Creator of the strength training system "GZCL" made popular on (22K members) and YouTube (16K subs).

  • Coaching services has produced many high level lifters around the world.

GZCL Program on Boostcamp App



GZCLP is the official name for Cody Lefever’s Linear Progression program for intermediate lifters who want to build strength and size. This is a highly popular alternative to Starting Strength and Stronglifts due to its effectiveness and interesting structure.

The program is relatively simple. Each workout is dedicated to three different types of lifts: a primary heavy compound lift (T1) done for 5 sets of 3 reps, a secondary light compound lift (T2) done for 3 sets of 10 reps, and tertiary accessory exercises like curls, abs, pulls, etc. (3) done for 3 sets of 15 reps

Read the full program guide here.