How Much Cardio Do Beginners Need?
Health guidelines recommend 150 minutes of moderate cardio per week. For beginners, this breaks down simply:
The Simple Formula
150 minutes / 5 days = 30 minutes/day
Or 3 sessions x 50 minutes, or 4 sessions x 40 minutes. Start with less and build up - even 10 minutes is better than nothing.
Week 1-2
2 sessions x 15-20 minutes. Just get moving. Walking counts. Focus on building the habit, not intensity.
Week 3-4
3 sessions x 20-25 minutes. Add one session. Increase duration slightly. Maintain conversational pace.
Week 5+
3-4 sessions x 25-30 minutes. Now you're hitting 150 min/week. Consider adding variety or intensity.
Best Cardio Types for Beginners
Not all cardio is equal for beginners. Start with low-impact options that won't leave you burnt out or injured.
Walking (Best for Absolute Beginners)
Brisk walking is underrated. 30 minutes of walking burns 150-200 calories, is easy on joints, requires no equipment, and can be done anywhere. Start here.
Cycling (Stationary or Outdoor)
Zero impact on joints. Easy to control intensity. Great for people with knee or back issues. Stationary bikes let you read or watch something while exercising.
Swimming
Full-body workout with no impact. Perfect if you have access to a pool. Cooling effect makes it feel easier than it is.
Elliptical
Low impact, full body engagement. Good gym option. Easier to maintain consistent effort than running.
What to Avoid Starting Out
Running - High impact, easy to get injured without conditioning. HIIT - Too intense for beginners, leads to burnout. Jump rope - Requires coordination and joint preparation. These are great later, but not week one.
Cardio vs. Weights: Finding Balance
If you're also strength training (which you should be), here's how to fit both in:
Do This
- Prioritize weights if building muscle is the goal
- Do cardio on separate days or after weights
- Keep cardio moderate intensity (not exhausting)
- Use cardio for health, not as primary fat loss tool
Avoid This
- Hour-long cardio sessions before lifting
- HIIT every day (too much stress)
- Using cardio to "undo" bad eating
- Skipping strength training for only cardio
The Research Says
Combining cardio and weights is called "concurrent training." Studies show doing cardio after weights (or on separate days) minimizes interference with strength gains. 2-3 moderate cardio sessions per week won't hurt your gains - it might even help recovery.
Sample Weekly Schedule
Here's how a beginner might structure their week with both cardio and weights:
Monday
Strength training (full body) - 45 min
Tuesday
Cardio: 30 min walk or cycling
Wednesday
Strength training (full body) - 45 min
Thursday
Rest or light stretching
Friday
Strength training (full body) - 45 min
Saturday
Cardio: 30-40 min walk, hike, or bike
Weekly totals: 3 strength sessions + 2 cardio sessions = 60-80 minutes of cardio, 135 minutes of lifting. Perfect for beginners.
How to Progress
Once easy cardio becomes... easy, here's how to advance:
Add Duration First
Before increasing intensity, add 5 minutes per session. Go from 20 to 25 to 30 minutes at the same pace.
Add Frequency Second
Once you're comfortable at 30 minutes, add another session per week. Go from 2 to 3 to 4 sessions.
Add Intensity Last
After 4-6 weeks of consistent moderate cardio, consider adding one slightly harder session per week. This could be incline walking, light jogging intervals, or faster cycling.
The Talk Test
For most of your cardio, you should be able to hold a conversation. If you're gasping for air, slow down. If you can sing effortlessly, speed up slightly. Moderate effort = sustainable long-term.
Sources & References
- World Health Organization. (2020). "WHO Guidelines on Physical Activity and Sedentary Behaviour." Recommends 150-300 minutes of moderate-intensity aerobic activity weekly for adults. NCBI Bookshelf
- Wilson JM, Marin PJ, Rhea MR, et al. (2012). "Concurrent Training: A Meta-Analysis Examining Interference of Aerobic and Resistance Exercises." J Strength Cond Res, 26(8): 2293-2307. PubMed