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This week's edition of Feisty 40+ is brought to you by Momentous. 

Use the code 40PLUS for up to 35% off your first order at livemomentous.com

🏃🏽‍♀️ Is Hyrox the Key to Longevity?

Was that a clickbait title? Sure, a little bit. And to be clear upfront, I have not done a Hyrox competition at this point. But, hearing stories from people who have (which we’ll get to in a bit) and reading their latest Sports Science Report as well as research on the sport has me thinking it really could be the ideal sport for building longevity markers across the board.


For those unfamiliar with Hyrox, it’s essentially a fitness race. Competitions are standardized and always consist of the same 8 exercises–ski ergometer, sled push, sled pull, burpee broad jump, rowing ergometer, farmers carry, sandbag lunges, and wall balls–and 8 runs (1,000 meters each). You start with a run and then alternate between exercise stations and runs throughout the rest of the competition. 


Research shows this kind of high-intensity functional/hybrid training can deliver a suite of benefits for active 40+ women, including boosting Vo2 max, strength, and power, while also improving coordination, proprioception, and faster reaction times–all stuff we want to keep sharp with age.


It’s also accessible for busy women. The average finishing times for beginner to intermediate women 40 to 60 is 1:45 to 2:25; advanced competitors in that age range take about 1:40. Speaking of women, they also make up about half of Hyrox participants, and the company has publicly stated their intentions to go all in on female physiology research, including understanding how women adapt to endurance-strength hybrid training, how hormones influence thermoregulation, and how life-stage factors like menopause or postpartum recovery affect performance, according to Loughborough University lecturer and exercise physiologist Dr. Samantha Rowland, who is part of Hyrox’s active research council. 


Insights from a 40+ Hyrox Newbie 

As mentioned up top, I have not done a Hyrox competition, but my Hit Play Not Pause producer Carrie Barrett has. So I hit her up to share her experience. This is what she had to say.


Feisty 40+: What were your first impressions?

Carrie: I won’t lie, it was a little intimidating because it was more ‘glamorous’ than I expected, with lots of younger women with glitter and matching outfits and makeup. But it was amazing, and I’m already looking forward to my next one.


Feisty 40+: You’re a hardcore endurance athlete–triathlete, distance runner–how did you train? 

Carrie: I knew that this was something I didn’t want to train for alone, so I sought out a Hyrox affiliate gym and, as fate would have it, a CrossFit gym in Bend had just become an affiliate and was going to start a new Hyrox program. 


I went to Hyrox specific classes 3 times per week and we worked on several areas each class:

  • Skills development - especially for exercises like lunges, wall balls, and sled push/pull. Because you’re moving weights under fatigue and stress, we worked on proper technique in order to avoid injury.

  • Aerobic engine development - particularly on the row and ski erg, where you are actually trying to regulate your heart rate in order to “recover” during these stations.

  • VO2 max development - high intensity/short duration work with everything, utilizing SIMS workouts.


My non-Hyrox training days were mostly endurance running (some tempo workouts on the track like 800s and 1000s). I also just enjoyed being on my bike with no structured training.


Feisty 40+: That sounds like great prep. How was race day? Anything surprise you there?

Carrie: I was surprised at how fast paced the actual race was. There was no time to think because each station was an average of about 5 minutes. I truly was just “in the moment” trying to get through the station I was in. My race felt like ripping off the proverbial bandaid - quick and painful - ha!


I was surprised at how hard the race actually was. I was as prepared as I could be, but holy moly, the sled pulls and wall balls were tough for me! I also learned that taking short breaks is a performance strategy to bring your heart rate down.


I was also surprised at the party atmosphere and the massive amounts of people racing all weekend. There were 17,000 people over the course of the weekend in Dallas alone!


Feisty 40+: Do you feel like your endurance background helped?

Carrie: My running background absolutely was my strength. Hyrox does have eight functional strength stations, but it’s primarily a running race. Five miles done in 1k chunks is no joke and, because I have a 20+ year solid aerobic base, I was able to perform well and manage my HR on the runs to actually use that as recovery. The other stations are all trainable. Looking at stats in my age group, I was pretty average on all the strength stations, but excelled at the run, making it a successful race for me.


Feisty 40+: You’re keen to do another. Why?

Carrie: It was such a fun experience to enter with a beginner mindset and have absolutely nothing to compare it to. I learned something new in every class and the workouts were so fun and varied that I never got bored with training.


It boosted my confidence in the gym. It's not easy walking into a new gym (especially CrossFit), but the coaches and other athletes were all supportive. After all, Hyrox was new to most of us!


At 52, it’s also a great way to check off some HIIT/SIT workouts and strength training. While I didn’t do much heavy barbell lifting with this cycle, I absolutely got stronger - lunging with 50lb sandbags and doing squats/wall balls with 12-14lb balls.


Trying something completely out of my comfort zone was so rewarding. My biggest takeaway was a boost in self-pride for committing to something new  and achieving it.


Next time, I'll just know to put on a little mascara and glitter. 🙂

Better Gut Health Starts With Fiber

Fiber isn’t always the most exciting supplement to talk about, but that doesn’t mean there aren’t exciting developments being made around this often overlooked nutrient.


Like Momentous Fiber+, a first of its kind 3-in-1 formula designed to support the digestive system from start to finish. It’s made with both soluble and insoluble fiber along with a prebiotic resistant starch, giving your body every type of fiber it needs. That leads to better absorption of important nutrients, stronger inflammatory responses for better recovery, and steadier energy without spikes and crashes.


Fiber is a key ingredient to a healthier gut, and a healthier gut is a key ingredient to all kinds of daily improvements—including performance. Fiber acts as fuel for your gut microbiome, helping deliver improvements in performance as well as digestion, cardiovascular health, and metabolic function.


Shop here and use code 40PLUS at checkout to get up to 35% off your first order!

👀What Caught My Eye

A major prospective study from the Nurses' Health Study tracked over 14,000 women for more than 30 years to understand how reproductive factors influence cognitive aging. They found that a longer reproductive span appears to protect cognition. Women with the longest reproductive spans (41-46 years) showed significantly better cognitive trajectories compared to those with the shortest spans (≤33 years)—a difference equivalent to being 1.4 years younger cognitively. Older age at menopause emerged as the strongest protective factor among all reproductive variables studied. 


Interestingly, menopause hormone therapy didn’t seem to help. The study found that longer menopausal hormone therapy (estrogen + progestin specifically) use was associated with worse cognitive trajectories, not better ones—even when started within the 10-year window after menopause. Estrogen-only therapy showed nonsignificant adverse associations.


This one is bound to start some social media brushfires, but it’s also important to recognize that all of the preparations and doses in this study are from decades ago, so mostly oral estrogen preparations and MPA (medroxyprogesterone acetate). The researchers note that "MHT dosages evolved over time" and "our findings primarily reflect menopause management practices common from the late 1970s to the 1990s." 


What to make of it? It’s so hard to say. Hormones were different. The population was different. Rates of hysterectomy were different. I think people want hormone therapy to be a slam dunk for brain health, but brain health is incredibly complex. Lifestyle is really your biggest lever for cognitive health.


















🔥Badass Athlete of the Week Goes To…

We were so busy celebrating 41-year-old monobob Olympic gold medalist Elana Meyers Taylor that we didn’t give well-deserved props to fellow 40+ monobob medal winner Kaillie Humphries, who at 40, captured a bronze medal for the US team, bringing her career total to five Olympic medals (three gold, two bronze). 


Way to go, Kaillie!

















👉Want a chance to be featured? Click here to share your badass story

Join the Grand Traverse Training Program

The Grand Traverse is our fall team event here at Feisty. We'll train together, learn together, and show up in Duluth, MN on October 3rd ready to take on the course — with the spectacular fall scenery of Lake Superior as our backdrop.


There are options to hike or trail run, with a variety of distance options.  Whether you're hiking or running, you get a structured, progressive program built specifically for this race and this distance.


Sounds amazing? It is. 


Join Selene and sign up for the training program. Learn more 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:


🏥Alternative treatments are linked to lower breast cancer survival, according to a study of involving over 2.1 million women with breast cancer published in JAMA Network Open. The study found that using alternative treatments alone for breast cancer was linked to a 3.7× higher risk of death compared to standard care. Even combining alternative therapies with conventional treatment raised mortality by 40%, likely because patients skipped key therapies like radiation or hormone treatment. Complementary approaches may support care, but they’re not effective replacements.


💉Weight loss drugs are linked to greater muscle loss than other weight-loss methods, according to a systematic review of clinical trials. Incretin-based drugs like semaglutide and tirzepatide drive substantial fat loss—but also notable lean mass loss. In about two-thirds of studies, that loss exceeded typical benchmarks seen with other approaches, raising questions about mechanisms and long-term impact. Bottom line: If you’re on one, keep lifting.


🍳 An egg a day may help keep cognitive decline at bay. A recent review of nearly 100,000 adults found that eating roughly one egg daily is linked to a 9% lower risk of cognitive decline. This echoes data from an earlier study, which tied frequent egg consumption to a lower risk of Alzheimer’s dementia. Nearly 40% of this benefit is driven by dietary choline, a crucial nutrient for brain health. Together, these studies suggest that regular egg intake supports aging brains. However, the benefits follow a U-shaped curve: they peak at about one egg a day and diminish at higher amounts, proving that moderation beats a “more is better” approach.











What's On My Mind...

Women supporting women. I’ve had the pleasure of attending a number of large women’s health summits over the past year, where I meet and network with dozens of women. One of the common threads that stands out to me is how much women support women right now. There’s a growing recognition that we’re allies–even when we’re competitors–and I am so here for it.


Listen to this week's episode of Hit Play Not Pause - Why Even Active Women Lose Bone—and How to Build It Back with Belinda Beck, PhD


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Feisty 40+ is written by Selene Yeager. Editing and ads by Ella Neumann.


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