There's a persistent belief that longer workouts produce better results. People who spend 90 minutes in the gym feel they worked harder than people who were in and out in 45. This isn't necessarily true , and in many cases it's backwards.
The Research on Workout Duration
Studies on strength training consistently show that the quality and intensity of training matters far more than duration. A focused 45-minute session with appropriate load, rest periods, and exercise selection produces equivalent or superior results to a 90-minute session filled with extra volume, long conversations between sets, and unfocused effort.
What a Well-Structured Session Looks Like
For most strength training goals, a well-designed session fits in 45 to 75 minutes:
- 5,10 minutes: Warm-up and movement prep
- 25,40 minutes: Primary strength work (2,4 main lifts)
- 10,20 minutes: Accessory work or conditioning
- 5 minutes: Cool-down
When Sessions Creep Too Long
Sessions that stretch past 75,90 minutes often indicate one of several things: too much volume (more sets and exercises than necessary), insufficient rest management, or time being lost to non-training activities. None of these improve outcomes.
Cortisol , the stress hormone , rises meaningfully after about 60 minutes of intense training. Extended sessions can actually compromise the hormonal environment for recovery and muscle growth.
The Practical Reality
For most people , especially those with jobs, families, and other commitments , the ideal workout is the one that gets done consistently. A 45-minute session three times per week that you actually complete will produce far better results over a year than an aspirational 2-hour program that you abandon after three weeks.
Build the habit. Keep sessions focused. Progress will follow.
At Santa Cruz Strength, our coaches help members design programs that fit their real schedules. If you're wondering how to train effectively without spending your entire day in the gym, come in and talk to us.