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From a Treadmill Hater
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This week's issue of Feisty 40+ is presented by Wahoo. Get a free Headwind Smart Fan (value $300) with the purchase of a Wahoo KICKR RUN when you use code FEISTY here. Get 25% off for a limited time! No code needed. 


🏃🏿‍♀️‍➡️  Why the Treadmill Deserves a Place in Your Training


I am a longtime treadmill hater. So much so that when training for the Daydreamer Trail Run last year I very stubbornly insisted that I wouldn’t do any indoor training because I hate it. Then I fell on ice hard enough to see stars (and leave quite the hematoma on my hip) two weeks out from the event. I was still able to compete, but it definitely knocked some sense into me. 


A year later as I head into another winter of training, I have changed my tune—and have had a change of heart—about treadmill running. I’m still 100% all about sunshine and fresh air and outdoor runs, especially on my backyard trails. But I now recognize that not only can the treadmill be your best training partner when the weather turns foul (hello, ice covered Pennsylvania roads and trails) and daylight is short, but also there can be some real unique benefits for health and performance. 


⏱️ Training Control & Precision

Interval work is the cornerstone of a progressive training program. Doing intervals outdoors unless you’re on a track can be an imperfect process as you navigate intersections and undulating terrain. 


On a treadmill you can dial in pace, incline, and duration with surgical precision—something even the best outdoor route can’t match. This makes treadmill sessions great for cadence drills, hill simulations, and progressive tempo runs where consistency matters.


Consistency is also the biggest predictor of long-term fitness gains. Treadmill training removes barriers like darkness, traffic, or icy roads, helping you stay on track year-round. As infuriating as it is, for many women, it can also offer a greater sense of safety and control than running outdoors in places or at times of day they don’t feel safe, which also supports consistency.

🦵🏾Joint & Muscle Friendly

Having just spent a week in Orlando for a conference where I opted to run outdoors every day, I can attest that treadmill running can be gentler on your muscles and joints than concrete paths (oof). 


Most treadmills are designed with cushioned decks and shock-absorbing technology, which significantly reduces the impact forces on a runner's joints and tendons compared to running on hard surfaces like concrete or asphalt. So it can be a good break for your body to do some of your training on a treadmill if you don’t have more forgiving surfaces readily available.  


Because you can easily change the incline, a treadmill also lets you simulate running uphill, which requires less pounding on joints like the ankles and knees compared to flat running at the same speed, because the incline reduces the amount of impact force your body has to absorb (coulda definitely used that in Florida…).


💓 Cardiovascular & General Health Benefits

Running, even just 5 to 10 minutes a day and at moderate speeds (i.e., <6 mph), is associated with markedly reduced risks of death from all causes and cardiovascular disease. It’s super easy to just hop on a treadmill and run for 10 minutes, whether it’s your own personal machine or one at the gym you jump on before or after hitting the weights. 


Some treadmills, like the new Wahoo KICKR Run* smart treadmill, also have a space to securely set up a laptop so you can easily set up a walking workstation.


For those of us who work long hours at a desk and struggle to reduce sitting time, that can be a huge benefit to our metabolic health.

*Speaking of the Wahoo KICKR Run, we’ve been banging out some runs on it for a month now and frankly love it. RunFree Mode lets you run naturally just the way you do outdoors, naturally changing pace and stride, without having to manually adjust anything. And right now Wahoo is running a massive sale of 25% off the KICKR Run. If you use the code FEISTY you’ll also get a free Headwind Smart Fan (value $300) with the purchase of a Wahoo KICKR RUN. Check it out here!

Turn down the winter blues and turn up the winter cycling


Winter training can feel isolating. Training apps spit out workouts but don’t explain the why or account for everything you’re balancing in life as a woman — from hormones to childcare to work. Coaching is expensive and everywhere you look, there is conflicting information on training, strength and nutrition. 


That's why we launched Winter Training for Cyclists, a 16-week program that gives you structured workouts, practical education and community support so that you can start the 2026 season on the right foot. 


Learn more and sign up here!



💊 The Supplement Cabinet

Interestingly, one of my most popular blog posts for Feisty Menopause was this post I did on Mushrooms for Menopause. So, I thought I’d go back into the literature and see what’s new in the ‘shroom research. Here’s what I found:


Some work finds mushrooms’ key compound ergothioneine supports brain antioxidant defenses and mitochondrial health. In review articles it’s even been dubbed a  “longevity vitamin.” 


More recent human trials have produced mixed results on the mood benefits I reported last time: for example, an 8-week randomized controlled trial in healthy adults found no significant changes in mood from white button or oyster mushroom supplementation—suggesting that benefits may depend heavily on the specific mushroom species, dose, and participants’ baseline diet and health.


A small pilot trial on lion’s mane (Hericium erinaceus) tentatively showed faster performance on cognitive tests and possible stress-reduction effects, but with only a small sample size the findings are very preliminary and need replication in larger, better-designed studies.


Bottom line: mushrooms are nutrient dense and contain compounds that could support brain, immune, and metabolic health. If you already enjoy adaptogens or mushroom-based coffee blends, you may glean some additional benefits. But for now, it’s too early to draw firm conclusions.















🔥 Feisty Badass Athlete of the Week Goes To…

Hands up for Claudia Duve, who just hit a personal best in her clean & jerk—63kgs—at the age of 59. As she said in a post to our Hit Play Not Pause community:


Just keep showing up…next stop 60yrs old. Surround yourself with younger people. Be a role model for the women coming behind us. Six months on HRT has brought back a bit of .


We’re feeling that fire Claudia! Wishing you more PBs in the years to come. 
















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🏋🏻‍♀️ Let's get Strong together! 💪


If you want to learn to lift heavy and get strong, Feisty has an awesome camp coming up and I’ll be there!


💪 Feisty 40+ Strong Retreat: This is a 2.5-day immersive weekend for women 40+ with hands-on coaching, expert insight, and real community connection. Whether you’re new to lifting or fine-tuning your form, you’ll build confidence, train smarter, and lay a strong foundation for life. Feisty favorite Cassi Niemann will be leading the camp, November 14–16, in Albuquerque, NM.  You can sign up here


👩🏻‍💻 Hit Play Research Round Up

We spend a lot of time scouring the latest research for news you can use to stay strong and feisty forever. Here’s what’s making waves this week:


💪 A new study in Medicine & Science in Sports & Exercise shows that resistance training doesn’t just make your muscles stronger—it makes them healthier at the cellular level. After 12 weeks of supervised strength training, women in their late 60s gained lean muscle and improved their “phase angle,” a bioelectrical impedance (BIA) marker linked to cell membrane integrity and hydration inside muscle cells. Translation: their muscle cells became more robust, better hydrated, and more resilient—signs of better muscle quality, not just more mass. Phase angle tends to decline with age, but regular lifting (plus good protein and hydration) can actually reverse that trend, helping your muscles stay strong, supple, and metabolically active well into midlife and beyond.


📈 Menopause is a metabolic inflection point. I mean, we know this, but studies keep driving the point home. The latest from South Africa evaluated 690 women (half perimenopausal, half postmenopausal), and found heightened risk for increased visceral fat, unhealthy lipid levels, high blood pressure, and insulin resistance during this transition and that menopause on its own is a moderate to high risk factor for metabolic syndrome. Now is the time to take stock—and action—on your health.


🦵🏾 New research gives a small but encouraging nod to collagen for active midlife women. In a 24-week randomized controlled trial of adults aged 45 to 65 with chronic joint pain and stiffness, those who took 10 grams of hydrolyzed collagen enriched with vitamins and minerals daily—alongside a twice-weekly training program—reported less joint and muscle discomfort than those taking a placebo. Everyone improved from training, but collagen users were far more likely to say their joints simply felt better (72% vs. 10%).










What's On My Mind...

Food. I spend an inordinate amount of time thinking about how food is such a precious, essential resource that people literally die for, yet for so many of us is something we spend hours of our day trying to find ways to restrict, avoid, and otherwise manipulate our intake of. I don’t have any answers. I just often think that living this disconnected and in such tension with something so elemental to our existence can’t be good for us on a deeper level, and I just try to consciously appreciate and give thanks for the sustenance I have all around me.


🎧 Listen to this week's episode of Hit Play Not Pause - Smart Glucose Management for Active Midlife Women with Liz McKinney


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Feisty 40+ is written by Selene Yeager. Edited by Maya Smith. Ads by Ella Hnatyshyn


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