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When I Stopped Relying on Cardio and Added Strength Training

She was running five days a week and her body was falling apart. Adding strength training transformed both her body and her results.

9 min readMarch 1, 2026

Opening

I was a runner. Seriously. I had been running for fifteen years. It was my identity, my stress relief, my way of maintaining my weight, my favorite form of exercise. Then perimenopause hit and suddenly my body could not tolerate the volume of cardio I had always done. My joints started hurting. My energy crashed. I was losing muscle tone instead of maintaining it. My bones were getting weaker despite all the impact from running. I was doing the wrong thing very efficiently and I did not want to accept it. It took hitting a wall so complete that I could barely walk to make me finally listen to what my body was telling me.

What Was Happening

I was running four to five times a week, averaging forty to fifty miles per week, doing speed work and long runs on weekends. This had worked beautifully in my thirties. My body had the hormonal support to recover from high-volume cardio. My bones were strong. My muscles were resilient. But in perimenopause, as my estrogen dropped, my body's ability to recover from that kind of volume also dropped. I did not understand this, so I interpreted the decline in performance as a personal failure and tried to work harder.

The impact cardio was making my joints hurt. My knees ached. My hips felt unstable. I was experiencing random muscle strains from not recovering properly. I was losing muscle mass despite exercising constantly, which is the opposite of what should happen with consistent training. My bones were actually getting weaker because I was not providing the mechanical stimulus they needed to stay strong, and without adequate estrogen to support bone density, I was losing bone at a faster rate than I was building it back up. I was completely exhausted and my performance was declining instead of improving.

I was also not sleeping well from the high training volume combined with perimenopause symptoms. I was in a state of constant stress on my body without adequate recovery. I was a overtraining and under-recovering and my body was giving me every signal possible that this approach was not working.

The Turning Point

I had a devastating run where, two miles in, my body simply refused to continue. My legs felt like concrete. My heart rate was elevated for the effort. I felt weak and defeated. I sat down on the curb and I cried, not from physical pain but from the frustration of my body no longer doing what I was demanding of it. I went home and I called my doctor. I described my training, my fatigue, my joint pain, the decline in performance despite more training.

She referred me to a strength coach who specializes in working with women during midlife transitions. When I met with her, she looked at my training log and said directly, 'You are overtraining significantly for your current hormonal capacity. Your body does not have the estrogen to recover from this volume. You need to reduce your cardio volume, add strength training to maintain bone density and muscle mass, and focus on what you can actually recover from.'

I was resistant. This felt like failure. This felt like admitting that I was getting old, that my body could not handle what it used to handle, that I had to change my identity as a runner. But the strength coach was clear: 'You can keep doing what you are doing and get more injured, or you can adapt to what your body actually needs right now and feel better. Those are your options.'

What I Actually Did

I restructured my training completely. Instead of five running days a week, I dropped to three. Instead of doing speed work every week, I designated one run a week as a hard effort and the other two runs were easy, conversational pace, aerobic base building. This felt incredibly slow and pointless to me at first. My ego wanted to believe that if I was running, it had to be hard, or it was not real training. My coach explained that easy running still builds aerobic capacity, still maintains your base, and does not deplete your recovery resources the way hard running does.

I added two days of strength training per week. My coach designed a program focused on compound movements: squats, deadlifts, farmer carries, push-ups, rows, pull-ups. We were not trying to build huge muscles. We were trying to maintain and build bone density, maintain muscle mass, keep my joints stable, and give my body mechanical stimulus that estrogen could not provide anymore. We lifted at sustainable intensity, usually three sets of eight to ten reps, with emphasis on form and consistency over heavy weight.

I completely eliminated my long runs. Instead of a twelve-mile weekend run, I had a five to six-mile easy run on weekends. This felt like giving up. In reality, it allowed my body to actually recover and adapt to training instead of constantly being in a state of stress.

Most importantly, I gave myself permission to modify based on how I felt. If I was having a low-energy day or my sleep had been bad, I would do an easy walk instead of a run. If I was in my luteal phase of my cycle and felt less energetic, I would do strength training or mobility work instead of hard efforts. I started tracking my menstrual cycle and adjusting my training intensity based on my hormonal state.

What Happened

Within two weeks, my resting heart rate dropped. This is a sign of improved recovery. Within three weeks, the random joint pain started decreasing. By week four, I was sleeping noticeably better. By week six, I could feel muscle definition returning. By three months, I had regained muscle tone that I thought was lost forever. My bone density started improving because I was giving my body the mechanical stimulus it needed.

My running performance actually improved. Not my total volume, but my actual ability to run the three runs I was doing. My easy runs got faster because I was properly recovered between efforts. My hard run got stronger because I was approaching it rested. By four months, I ran a half marathon, not my fastest time, but I finished strong and recovered well. More importantly, I enjoyed it instead of suffering through it.

My energy stabilized. I was no longer in a constant state of depletion. I could be present with my family after training instead of being a zombie. My mood improved because I was not in a state of constant stress on my body. My anxiety and hot flashes decreased simply from being better recovered and less stressed.

Most importantly, my relationship with exercise completely changed. I stopped seeing myself as a runner who was failing and started seeing myself as an athlete who was adapting. I started enjoying strength training instead of seeing it as a lesser form of exercise. I realized that running five times a week had been about my identity and my ego, not about what my body actually needed. Letting go of that identity was hard, but necessary.

What I Learned

The biggest lesson is that perimenopause is not a fitness problem you can out-train. It is a hormonal reality that requires adapting your training approach. The same training that worked in your thirties will potentially harm you in perimenopause because your recovery capacity has fundamentally changed. Fighting against this reality instead of accepting it only makes things worse.

I also learned that more is not always better. I had believed that more training meant better fitness and better weight management. In reality, the high volume was preventing adaptation and recovery. Less training, done smarter, with appropriate intensity distribution and strength work, produced better results than higher volume cardio.

Finally, I learned the importance of listening to my body instead of fighting against it. Every signal my body was sending me about needing less volume and more recovery, I was interpreting as weakness that needed to be overcome. The moment I started honoring what my body was telling me, everything improved. This taught me that wisdom is not about pushing harder. Sometimes it is about backing off and letting your body do what it needs to do.

If you have been relying on high-volume cardio during perimenopause and it is not working anymore, consider adding strength training and reducing cardio volume. Your bones need the mechanical stimulus. Your muscles need to be maintained. Your recovery capacity is not what it was in your thirties. Adapt to this reality and you will feel better. Your body will thank you. This content is for informational purposes only and does not replace medical advice. Always consult your healthcare provider about your specific situation.

Medical disclaimerThis content is for informational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. PeriPlan is not a substitute for professional medical advice. If you are experiencing severe or concerning symptoms, please contact your doctor or emergency services immediately.

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