Before there were Navy SEALs, there were Frogmen.
The original Frogmen were members of the U.S. Navy Underwater Demolition Teams (UDTs), elite combat swimmers who conducted beach reconnaissance, obstacle demolition, and maritime special operations during World War II, Korea, and Vietnam. These warriors laid the foundation for the modern Navy SEAL Teams.
Their missions demanded a unique blend of endurance, strength, swimming ability, and mental toughness. They often operated with minimal equipment, swimming long distances through rough surf before completing physically demanding missions on land.
The workouts below are inspired by the training principles of those original Frogmen.
Simple. Brutal. Effective.
What Makes a Frogman Workout Different?
Most fitness programs focus on one quality:
- Strength
- Endurance
- Muscle building
- Speed
Frogman workouts combine all four.
A true Frogman workout should include:
- Running
- Swimming
- Bodyweight exercises
- Carrying heavy objects
- Crawling
- Mental toughness
- Training outdoors whenever possible
The goal isn’t to look fit.
The goal is to become capable.
The Frogman Fitness Pyramid
Level 1: Movement
Master your bodyweight.
- Push-ups
- Pull-ups
- Squats
- Lunges
- Sit-ups
- Burpees
Level 2: Endurance
Build your engine.
- Trail running
- Rucking
- Swimming
- Biking
- Hiking
Level 3: Work Capacity
Learn to perform while tired.
- Circuits
- EMOMs
- Timed events
- Obstacle courses
Level 4: Mental Toughness
Train when conditions are uncomfortable.
- Heat
- Rain
- Mud
- Cold water
- Long training days
The original Frogmen didn’t wait for perfect conditions.
Neither should you.
Frogman Workout #1
The Naked Warrior Challenge
Named after the WWII UDT operators known as the “Naked Warriors.”
For Time:
- Run 1 mile trail
- 25 Burpees
- Run 1 mile
- 50 Push-ups
- Run 1 mile
- 75 Air Squats
- Run 1 mile
- 50 Pull-ups
Advanced:
Wear a 20 lb weight vest.
Frogman Workout #2
Beach Recon Circuit
4 Rounds For Time
- 10 Push-ups
- 15 Sit-ups
- 20 Walking Lunges
- 100 Meter Sandbag Carry
- 400 Meter Run
Goal:
Move continuously.
No standing around.
Frogman Workout #3
Combat Swimmer Grinder
5 Rounds
- 200 Meter Swim
- 10 Burpees
- 15 Push-ups
- 20 Air Squats
- 50 Meter Bear Crawl
Rest 1 Minute
Repeat.
If no pool is available:
Substitute a 400-meter run.
Frogman Workout #4
UDT Endurance Session
AM
- 2 Mile Swim
- Easy recovery pace
PM
- 5 Mile Trail Run
- 100 Push-ups
- 100 Sit-ups
- 50 Pull-ups
This workout develops the aerobic base that every combat swimmer needs.
Frogman Workout #5
The Fin Swim Challenge
Perform:
- 1000 Meter Fin Swim
- 50 Push-ups
- 50 Air Squats
Repeat 3 Rounds
Swimming with fins places additional stress on the ankles and calves. Build volume gradually to avoid overuse injuries.
Frogman Workout #6
Murph Meets the Ocean
1 Mile Run
100 Pull-ups
200 Push-ups
300 Squats
1 Mile Run
Advanced:
Complete a 500-meter swim before and after.
Frogman Workout #7
The Swamp Grinder
As Many Rounds As Possible in 45 Minutes
- 10 Pull-ups
- 20 Push-ups
- 30 Squats
- 200 Meter Run
- Sandbag Carry 50 Meters
Keep moving.
No excuses.
Weekly Frogman Training Schedule
Monday
Strength + Pull-ups
Tuesday
Swimming Intervals
Wednesday
Trail Run
Thursday
Bodyweight Circuit
Friday
Fin Swim + Calisthenics
Saturday
Long Ruck
Sunday
Recovery
- Mobility
- Stretching
- Easy walk
Why Frogmen Were So Strong
The original Frogmen rarely trained with barbells.
Instead they developed incredible strength through:
- Swimming
- Climbing
- Carrying equipment
- Calisthenics
- Running in sand
- Long operational missions
This created what many call “farm strength” or “operator strength.”
Not gym strength.
Real-world strength.
The kind that allows you to perform for hours when everyone else quits.
Frogman Mindset
The greatest lesson from the Frogmen isn’t physical.
It’s mental.
The original UDT warriors swam into enemy beaches with little more than fins, masks, courage, and explosives. Their success came from preparation, teamwork, and an unwillingness to quit.
You don’t need an ocean.
You don’t need military training.
You don’t need expensive equipment.
You only need a willingness to do hard things consistently.
Train hard.
Stay humble.
Keep moving forward.
That is the Frogman way.
Final Thoughts
Frogman workouts are about becoming capable, not comfortable.
Whether you’re preparing for military service, a GORUCK event, a mountain climb, or simply want to become tougher than you were yesterday, these workouts will challenge your body and mind.
Simple.
Not easy.
Get after it.
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