Learn the Difference Between Pacing, Sprinting, and Moving Aimlessly Without a Strategy

    
Run, Ruck, Swim

There's a trio of cardio activities that, when mastered, can dramatically improve your military readiness and endurance. We call is the Spec Ops Triathlon. This is not just a workout—it's a rite of passage for anyone serious about pushing their physical limits. This monthly evolution combines running, swimming with SCUBA fins, and a 50-pound ruck, borrowing straight from the grueling routines of military training and special forces selections. If lifting weights and doing calisthenics dominate your fitness regimen, it's time to make room for this multi-faceted cardio challenge. Want some inspiration? Check out #specopstri on Instagram for a gallery of motivation.

Run - Ruck - Swim Guidance: The Basics

Now, let’s talk specifics. Transitioning from a sports background to military training was no walk in the park. I hated running anything over 100 meters. If you share my sentiment, you’ll appreciate these nuggets from my 35-year journey of loathing running. See Running Plan to Get TO and THROUGH Training.

The same wisdom goes for rucking. It’s not just strapping on a heavy backpack and heading out—there’s a technique to master, which you can explore through my Rucking Progression Rules. Build up three paces with rucking: Walking pace at 15 minutes / mile. Power walking at 12-13 minutes / mile. And a short stride shuffle at the 10 minutes / mile pace. You may need all three for longer rucks in your training. Know the difference.

Swimming with fins, especially using the combat swimmer stroke, demands its own set of skills. Before diving in, ensure your technique, swim conditioning, ankle mobility, and hip strength are up to par. This preparation is non-negotiable. All require progressions that are logical (10-15% per week) and building aerobic base and pacing comfort. 

Avoid Injury: Become Better at Running By Not Overdoing It

Picture this: you’re training like a triathlete, but smarter. Building a solid cardio base doesn’t mean grinding through endless slow miles. Most non-running athletes face injury within weeks of over-committing to this method. Instead, think of running as just a third of your cardio routine. Fill the remaining two-thirds with low-impact activities like swimming, biking, rowing, or using the elliptical. Your hips knees, shins, and ankles will thank you - especially if you are a non-running - strength athlete on the bigger side (200+ lbs.). Build up to a 6 minute mile for shorter timed runs and 7 minute mile for longer timed runs.

Consider this approach: rather than jogging for an hour at a snail’s pace, push yourself with a 20-minute run at a challenging speed. Follow that with 40 minutes of steady-paced cardio through swimming or another non-impact cardio activity. You get an hour's worth of cardio with 1/3 of the impact. Your knees and shins will thank you, especially if you're new to longer-distance running. But, if you can handle a 5-8 mile long slow distance run, go for it. I am not saying you shouldn't do them, I am just sharing experience with non-running athletes using this method and ending up not able to run for months due to stress fractures, shin splints, tendonitis and other over-use injuries. Diversify your cardio when first starting down this longer running mileage per week journey.

Planning Your Cardio Week: A Structured Approach

Find your yard / second pace for both fins and no-fin CSS Workouts
(*Goal 50 yds / 50 seconds for both)

Here’s a sample schedule to integrate these cardio events seamlessly into your routine. This model borrows from various rigorous training programs, including the 50-50 Swim Workouts favored by Navy and Air Force, tread and drownproofing drills, as well as purpose-driven pace workouts and leg-day rucking.

 If you need to work on your cardio more than your strength, do your cardio first most days, however it is wise to do these events in the order of any fitness test or event you know is going to be part of any assessment. 

Add 10-15% distance / time per week to the above chart if you feel you can handle more cardio volume - otherwise keep the mileage the same and focus on make the runs / rucks / swims faster / easier to handle.

GP = goal pace for timed runs (6 min mile) or 7 min mile for runs of 4-6 miles
Bike / Row - Replace any run / ruck with non-impact if volume is getting more than you are ready for until you progress to this number of miles per week
Leg Day - Top off leg day with Ruck or swim with fins (depending on your needs USMC, Navy, AF, Army, etc) 

Balance your cardio and strength training wisely. On most days, tackle your cardio first. But remember, if you’re preparing for an assessment, prioritize the events in the same order they appear in the test.

Follow these four pillars to morph into an endurance powerhouse:

1. Diversify your cardio activities, balancing running with swimming and other low-impact options.
2. Focus on running quality, not just quantity, to avoid injury.
3. Progress your rucking with a technique-first approach.
4. Integrate swimming drills to build comprehensive endurance.

Ready to up your game and become the ultimate cardio warrior? Dive deeper into the secrets of pacing and execution in the Spring/Summer Tactical Fitness Cycles. Visit the link and discover how to turn running, rucking, and swimming into your new strengths.

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