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Train Smarter, Not Harder: The Power of Submaximal Training with RPE/RiR

When most people think about strength training, they imagine pushing to the absolute limit, testing one-rep maxes (1RM) and grinding through heavy sets. But constantly chasing maximal lifts isn’t how strength is built. In fact, consistently lifting near your limit can lead to fatigue, poor recovery, and increased injury risk.

That’s where submaximal training comes in. Backed by research and widely used in strength-focused programs, this approach helps you build strength more efficiently, with less wear and tear.

Let’s break down what submaximal training is, how it works, and how tools like Rate of Perceived Exertion (RPE) and Reps in Reserve (RiR) can help you train smarter.

What Is Submaximal Training?

Submaximal training means working below your maximum effort – typically using 60–85% of your 1RM. Instead of lifting as heavy as possible every session, you train with slightly lighter weights, often stopping sets before failure.

It might sound like you’re holding back, but in reality, you’re training more effectively and sustainably. Benefits include:

• Lower injury risk
• Faster recovery between sessions
• Better fatigue management
• More consistent training volume
• Improved technique over time

Why It Works

Strength gains come from progressive overload and neural adaptations, not just heavy singles. By working submaximally, you can perform more total reps with good form, increasing your training volume while reducing burnout.

This type of training also:

• Builds movement skill and confidence under the bar
• Allows for more frequent training sessions
• Provides enough stimulus for hypertrophy, which supports long-term strength development

Understanding RPE and RiR

To make submaximal training even more effective, we can use RPE (Rate of Perceived Exertion) or RiR (Reps in Reserve) to autoregulate intensity.

RPE Scale (1–10):

• RPE 1–3: Very light – warm-up or recovery work
• RPE 4–6: Moderate – great for technique-focused training
• RPE 7–8: Challenging but controlled – ideal for most submaximal work
• RPE 9–10: Near or full effort – reserved for testing or peaking phases

For example, an RPE 8 means you could have potentially done 2 more reps (or 2 reps in reserve). This method helps you adjust load based on how you’re feeling that day, considering factors like sleep, stress, and fatigue.

How to Use RPE and RiR in Your Training

Here’s how to apply this approach:

1. Start with a Realistic 1RM
   Estimate your 1RM accurately – avoid overestimating. Most of your training should sit around RPE 6–8, increasing gradually over weeks.
2. Program with RiR in Mind
   Aim for sets that leave 2–3 reps in the tank (RPE 7–8). This balances challenge with recovery.
3. Monitor and Adjust
   Track your RPE to ensure progressive overload. If you’re feeling off, reduce load slightly but maintain volume.
4. Prioritize Technique
   Use the submaximal range to perfect form, this pays off when it’s time to lift heavy.

The Takeaway

Submaximal training paired with RPE/RiR isn’t about doing less – it’s about training smarter. By managing load and fatigue wisely, you’ll build strength steadily, avoid injury, and stay consistent for the long haul.

Whether you’re chasing a new PR, building muscle, or just trying to train for life, submaximal training is one of the most effective and sustainable methods out there.

Want to level up your training?
Get in touch and let’s chat about how I can help you reach your goals with a smarter, more structured plan.

Scott | SDHCoaching