At Sussex Performance Centre, most of our members already train hard. Strength sessions. High‑intensity conditioning. HYX. Blast. Group training. PT. But one area that often gets overlooked — especially by busy adults — is steady‑state cardiovascular training, such as easy running or cycling.

Done properly, steady‑state cardio doesn’t compete with your strength or intensity work. In fact, the science is very clear: it enhances it.

That’s exactly why we’ve launched our monthly SPC Run Club — not as a replacement for gym training, but as a powerful complement to it.

What Is Steady‑State Cardio?

Steady‑state cardio (often called Zone 2 or aerobic base work) is continuous exercise performed at a moderate, sustainable intensity.

You should be able to:

• Hold a conversation
• Breathe through your nose most of the time
• Sustain the effort for 30–60 minutes

Examples include:

• Easy running or jogging
• Steady cycling
• Incline walking
• Rowing or ski‑erg at a controlled pace

This is very different from intervals, circuits, or HIIT — and that difference is exactly why it’s so valuable.

1. A Bigger Aerobic Engine Improves All Training

Your aerobic system underpins everything you do in the gym.

A stronger aerobic base allows you to:

• Recover faster between strength sets
• Sustain higher quality output in HYX and conditioning sessions
• Handle more weekly training without feeling broken

Research shows that aerobic capacity (VO₂max and mitochondrial density) is strongly linked to overall work capacity — even in resistance‑trained individuals.

Simply put: better aerobic fitness = better performance across the board.

2. Faster Recovery Between Sessions

One of the biggest benefits for SPC members training 3–5 times per week is recovery.

Steady‑state cardio:

• Increases capillarisation (blood flow to muscles)
• Improves oxygen delivery
• Enhances metabolic waste clearance

This leads to:

• Less lingering soreness
• Better readiness for your next session
• Higher training consistency across weeks and months

Consistency is where real results live.

3. Improved Fat Metabolism Without Beating Yourself Up

Unlike high‑intensity work, steady‑state cardio relies heavily on fat oxidation.

Benefits include:

• Improved metabolic flexibility
• Better blood glucose control
• Reduced reliance on constant high stress training

For members aiming to improve body composition, this type of work adds meaningful weekly energy expenditure without frying your nervous system.

4. Heart Health: One of the Biggest Wins You Can Get From Training

Steady-state cardio is one of the most powerful tools we have for improving heart health, and it works alongside strength training — not in competition with it.

Regular aerobic exercise has been shown to:

• Increase stroke volume (how much blood the heart pumps per beat)
• Lower resting heart rate
• Improve blood vessel elasticity
• Reduce blood pressure
• Improve cholesterol profiles (higher HDL, lower LDL and triglycerides)

Over time, this makes the heart stronger, more efficient, and less stressed at rest.

For SPC members, this matters because heart health underpins:

• Training longevity
• Day-to-day energy levels
• Reduced risk of cardiovascular disease
• Better tolerance to higher training loads

Cardiorespiratory fitness is now recognised as one of the strongest predictors of all-cause mortality, often outperforming traditional risk markers such as smoking, obesity, or hypertension.

Strength keeps you capable. A healthy heart keeps you training for decades.**

5. Mental Clarity, Stress Reduction, and Enjoyment

Steady‑state cardio has a unique effect on the nervous system.

It has been shown to:

• Reduce stress hormones
• Improve mood and mental clarity
• Support better sleep quality

This is especially valuable for SPC members balancing work, family, and training.

Sometimes, the best session of the week is the one that leaves you feeling better, not wrecked.

Why SPC Run Club Matters

Our monthly SPC Run Club isn’t about race times or ego.

It’s about:

• Building aerobic fitness safely
• Training alongside coaches and members
• Learning pacing, breathing, and effort control
• Strengthening the SPC community outside the gym walls

Running — like lifting — is a skill. Doing it together, with guidance, makes it accessible and enjoyable for all levels.

You don’t need to be “a runner” to benefit.

You just need to show up.

How to Add Steady‑State Cardio Without Overdoing It

For most SPC members, 1 session per week is enough to see benefits.

Guidelines:

• 30–60 minutes
• Easy conversational pace
• Ideally on a non‑lifting day or after lighter training
• Rotate modalities if needed (run one week, cycle the next)

More isn’t better — better is better.

The SPC Approach: Train Hard, Recover Well, Repeat

At SPC, we don’t chase extremes.

We build:

• Strength
• Conditioning
• Movement skill
• Long‑term health

Adding steady‑state cardio — and showing up to Run Club — is one of the simplest ways to level up your training without adding stress.

Strong people with good engines last longer.

And that’s the goal.

References

1. Lavie CJ, et al. Exercise and the cardiovascular system. J Am Coll Cardiol, 2015.
2. Blair SN, et al. Physical fitness and all-cause mortality. JAMA, 1989.
3. Kodama S, et al. Cardiorespiratory fitness and cardiovascular disease mortality. JAMA, 2009.
4. Hawley JA, et al. Integrative biology of exercise. Cell, 2014.
5. Baar K. Using molecular biology to maximize concurrent training. Sports Med, 2014.
6. Murach KA, Bagley JR. Skeletal muscle hypertrophy with concurrent aerobic training. J Appl Physiol, 2016.
7. Seiler S. What is best practice for training intensity and duration distribution? Int J Sports Physiol Perform, 2010.
8. Booth FW, et al. Waging war on physical inactivity. J Appl Physiol, 2017.

Interested in joining the next SPC Run Club?

Keep an eye on our socials and in‑gym updates — all paces welcome.