Field notes · Heart and cardio · The guide
Cardio for men over 40: how much you really need
Strength keeps you capable. Cardio keeps you here. After forty you need both, and the good news is that the cardio part is simpler than most men think.
Dai Manuel · Coach Moose · Vancouver
Why it matters
Cardiorespiratory fitness, how well your heart and lungs deliver oxygen, is one of the strongest predictors of how long you live. Large studies have found that men with low fitness have a much higher risk of dying early than fit men, a gap comparable to or larger than smoking or diabetes. And unlike your genes, fitness is something you can change.
How much you need
Canada's movement guidelines ask for at least 150 minutes a week of moderate to vigorous activity. Moderate means you can talk but not sing. That is about twenty minutes a day, and brisk walking counts.
A simple week
Walk every day. Add two or three sessions of easy cardio, thirty to forty-five minutes, at a pace you could hold a conversation at: cycling, rowing, an easy jog. Once a week, add something harder, like short intervals where you breathe hard for a minute and recover for two.
Most of your cardio should be easy. The hard work is the spice, not the meal.
Cardio and strength together
You do not have to choose. Two or three strength sessions plus daily walking and a couple of easy cardio sessions fits in about four to five hours a week. If time is tight, strength first and walking to fill the gaps, then add easy cardio as the habit settles.
Starting from zero
Start with walking. Ten minutes after each meal is a great first step. Build from there over weeks, not days. If you have heart symptoms, a known condition or have been inactive for years, check with your doctor before adding hard efforts.
Common questions
- How much cardio should a man over 40 do?
- Canada's movement guidelines recommend at least 150 minutes a week of moderate to vigorous aerobic activity, plus muscle strengthening at least twice a week.
- Is walking enough cardio?
- Brisk walking counts as moderate activity and is a strong foundation. Adding some harder efforts over time improves fitness further.
- Should I do cardio or weights first after 40?
- Both matter. If time is short, prioritise strength training and daily walking, then add easy cardio sessions as your schedule allows.
This is coaching, not medical advice. If something here sounds like you, talk to your doctor.
Sources
- Canadian 24-Hour Movement Guidelines for Adults aged 18 to 64. Canadian Society for Exercise Physiology.
- Association of cardiorespiratory fitness with long-term mortality among adults undergoing exercise treadmill testing. Mandsager et al., JAMA Network Open, 2018.
- Cardiorespiratory fitness as a quantitative predictor of all-cause mortality. Kodama et al., JAMA, 2009.