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What is Concurrent Training

Military Fitness
January 22, 2026•1 min read

What Is Concurrent Training?

Definition
Concurrent training refers to the simultaneous development of strength and endurance within the same training period. It is the foundational structure underlying hybrid and tactical training systems.

How Concurrent Training Works
Concurrent training exposes the body to multiple stimuli that drive different adaptations. The timing, intensity, and volume of these stimuli determine whether adaptations complement or interfere with each other.

The Interference Effect
Poorly structured concurrent training can reduce strength or endurance gains due to competing molecular and systemic adaptations. This is known as the interference effect.

Why Concurrent Training Is Necessary
Many athletes and tactical populations cannot afford long single-quality training blocks. Operational demands require simultaneous readiness across multiple capacities.

Practical Implications
Successful concurrent training requires intelligent sequencing, fatigue management, and acceptance of balanced—not maximal—outcomes.

The Tactical Athlete Performance Pyramid | Readiness vs Fitness | Training Load Friction Model

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Combat Fitness exists to produce capable humans. Tactical fitness for military, law enforcement, and people who refuse to be weak. We focus on strength, work capacity, endurance, and resilience that transfer outside the gym. No trends. No feel-good bullshit. Just hard training for people who expect more from themselves.

Combat Fitness

Combat Fitness exists to produce capable humans. Tactical fitness for military, law enforcement, and people who refuse to be weak. We focus on strength, work capacity, endurance, and resilience that transfer outside the gym. No trends. No feel-good bullshit. Just hard training for people who expect more from themselves.

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