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Jeremiah Jensen

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March 31, 2025

Why Intensity Matters More Than Volume in CrossFit

One of the biggest misconceptions in fitness is that more is always better—more time in the gym, more reps, more miles. But in CrossFit, the opposite is often true. Intensity, not volume, is the key to results.

This principle is a cornerstone of CrossFit programming and is emphasized throughout the Level 1 and Level 2 certifications. Even CrossFit founder Greg Glassman made it clear in his famous “World-Class Fitness in 100 Words”:

“Keep workouts short and intense.”

He also reinforced this idea with a simple but powerful statement:

“Be impressed by intensity, not volume.”

So why is intensity so important? And why can too much volume actually work against you? Let’s break it down.

More Work Doesn’t Always Mean More Progress

Many people are drawn to high-volume training—long workouts, steady-state cardio, or endless sets of movements—because they believe that more time spent exercising = better results.

But here’s the problem: training for 60 minutes at 60% effort doesn’t compare to training for 20 minutes at 90% (for example).

When intensity drops in favor of more volume, the stimulus isn’t as powerful. Instead of driving real adaptation (fat loss, muscle growth, improved endurance), you’re just spending more time moving without maximizing results.

The Downside of Too Much Volume

If your goal is to get fitter, stronger, and faster, excessive volume isn’t just unnecessary—it can actually be counterproductive or even harmful.

  • Too much volume without intensity can lead to plateaus—where you stop seeing progress altogether.
  • Overtraining can increase injury risk and lead to burnout—leaving you feeling fatigued instead of energized.
  • More training time often means more recovery time is needed, making it harder to be consistent in the long run.

That’s why a single, well-structured workout per day, featuring constantly varied functional movements performed at high intensity, with a warmup, some skill work, and a cooldown is enough to improve work capacity across broad time and modal domains.

The Key to Progress: Go Harder, Not Longer

CrossFit Games veteran Tommy Hackenbruck put it best:

“You don’t need harder workouts, you need to go harder in your workouts.”

If you’re not seeing results, the answer isn’t necessarily doing more workouts or adding more volume—it’s increasing your effort in the time you already have.

Intensity is uncomfortable, but it’s also where real progress happens. Whether your goal is to get stronger, leaner, or more athletic, focus on giving 100% effort in shorter, well-designed workouts rather than chasing longer, lower-intensity sessions.

Bottom Line

Prioritize intensity—not how long you train.
One well-executed workout a day is enough—if you go all-in.
If your results are stalling, focus on effort before adding more volume.
Train smarter, not longer.

So next time you step into the gym, don’t mistake more work for better work. Push harder, move with purpose, and watch your fitness skyrocket—all in less time than you’d expect. 💥

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