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Mission briefing // The MOST CHALLENGING workout on the TRX App

Train like a Navy SEAL

90 minutes. Three stacks. No excuses. Admiral Bob Harward’s signature bodyweight workout — now on the TRX App.

Accept the challenge
90
Minutes, start to finish
3
Stacks: warm, upper, core
100%
Bodyweight – no gym needed
1
Retired Navy SEAL Admiral
Field-tested

Forged in the field.

TRX was born on deployment, when Navy SEAL Randy Hetrick needed a way to stay mission-ready anywhere: a strap, an anchor point and bodyweight. The BOB brings that same mindset to your training. No excuses. No shortcuts.

TRX founder Randy Hetrick training with a suspension strap on deployment, and in uniform
TRX founder Randy Hetrick, Navy SEAL, in the field

The BOB

(Building Our Bodies)

His signature 90-minute bodyweight workout — the one the TRX community still talks about — is back on the TRX App. Three stacks. Do them one at a time, or go all in and finish all three in a single session.

No gym. No gear. Just you, the floor, and a bar.

The mission: 3 stacks

Get warm. Get sweaty. Get strong.

Stack 01 · 40 min

The BOB Warmup Stack

40 minutes of full-body calisthenics to build strength, mobility, and lots of heat.

Get warm →
Stack 02 · 30 min

The BOB Upper Stack

30 minutes of push-ups, pull-ups, and intense upper-body endurance training.

Get sweaty →
Stack 03 · 30 min

The BOB Core Stack

30 minutes of compound core- and neck-building exercises for abs of steel.

Get strong →
Now on the TRX App

Admiral Bob is ready when you are.

The BOB Elite Workout — the full session, start to finish — plus the Warmup, Upper and Core stacks. On demand, wherever you train.

Get the TRX App
Final assessment

Think you can make it through all three?

Admiral Bob and the TRX crew did. Your turn.

Train like a SEAL