Let's Age Powerfully!
September 21 – November 29
Build the strength, mobility, and stamina that carry you through the next 30 years — no overwhelm, no guesswork. A 10 - week structured but flexible program that gets you started and keeps you going, so aging is something you do powerfully, not something that happens to you.
Most of what we call "normal aging" — the stiffness, the slower stairs, the muscle that quietly disappears — isn't actually inevitable. It's often just the compound effect of years without intentional strength work, mobility work, and movement. Nobody decides to lose their capability.
It just happens, one skipped workout at a time, until one day you notice.
This challenge is built to interrupt that pattern — and give you the chance to prove it's working, with real numbers if you want them.
Dr. Vonda Wright — orthopedic surgeon, longevity researcher, and author of the New York Times bestseller Unbreakable: A Woman's Guide to Aging with Power — has spent her career studying exactly this. Her research points to a simple but powerful idea: your ability to move well — to walk, lift, balance, and stay independent — is one of the strongest predictors of how well you'll actually live in the decades ahead. Her work directly inspires this challenge, and the seven biomarkers below are the ones she considers to be the biomarkers that actually matter.
So instead of just telling you you're getting stronger, you can watch it happen — with real numbers, if you want them.
At the start of the challenge, you can test up to seven biomarkers tied to functional aging:
● VO2 Max (cardiovascular endurance)
● Grip strength
● Gait speed
● Push-up capacity
● Sit-to-rise ability
● 3-minute step performance
● Resting heart rate
Then you'll train for 10 weeks. Then, if you'd like, you can test again — and see exactly how far you've come.
Hi, I'm Julie Zoril, founder of ZoYoga Fitness & Nutrition and a 58-year-old coach who's spent years helping women over 40 build strong, confident, capable bodies in a way that fits real life. I designed the Powerful Aging Challenge to give you a clear target, a program built around the science of aging well, and the structure — without the rigidity — to actually follow through.
What's Included
Up to 8 live Zoom classes a week for 10 weeks (about 80 total), spanning seven formats, each one built around specific biomarkers:
Lower Body Strength — glutes, quads, hamstrings, with a focus on gait speed and cardiovascular fitness
Upper Body Strength — arms, chest, back, and grip strength
Full Body Conditioning — full body with strength with cardiovascular fitness and a little extra upper body strength
Cardio Burst — interval training built to raise your VO2 Max
Cardio & Core — cardio and deep core work, also VO2 Max–focused
Mobility Yoga — flexibility and balance, built around sit-to-rise ease and good resting heart rate numbers
Pilates Barre Core — core strength and control, built around exercises to improve sit-to-rise movement
Most classes are 30 minutes long, with a handful at 45 minutes. Every recording is uploaded to the online portal within 24 hours, so you can take classes live, use the recordings, or mix and match — whatever works for your week.
You'll also have access to a private online community group for encouragement, tips, and accountability.
Baseline & Retest
This is the part that makes this challenge different: you get to watch your own progress in black and white. Before you start, you can complete a baseline test across up to seven biomarkers — nothing complicated, just simple, validated field tests you can do at home or on your own schedule, with clear instructions for each. At the end of the 10 weeks, you can retest and see your numbers side by side. Totally optional — but it's honestly one of the most motivating parts of the whole program.
Goal Setting
At the start of the challenge, you'll set your own personal class goal. Some will choose 80, some will choose 25, and many will land somewhere in between. You can also choose the types of classes you take based on which biomarkers you want to focus on. The right goal matches your schedule and energy — not anyone else's.
How It Works
● Complete your baseline testing (optional, but a great way to kick things off)
● Choose the number of classes you're committing to for the 10 weeks
● Take your classes live or use the recordings — whatever works
● Mark each class complete in the portal so you can watch your consistency build
● Retest at the end (optional) and see exactly how far you've come
Who It's For
Women who:
● Want real, measurable proof that their effort is working
● Are thinking seriously about the next 10, 20, 30 years — not just this season
● Need structure with flexibility to make consistency easier
● Want thoughtfully designed classes with real coaching, not guesswork
● Value a community that gets it
Whether you're already strong and want to protect it, or you've been waiting for the right moment to start — this challenge was built for you.
Simple Pricing
If you're already a ZoYoga Fitness member, the Powerful Aging Challenge is included in your membership.
If you're new, you can join ZoYoga Fitness for $29/month with your first two weeks free for immediate access to the challenge, the portal, and the community. No contracts, no notice required — come and go as you like.
What Recent Challenge Participants Say
Sheila D: “Thank you, Julie, for creating a place where women can grow and improve without guilt or judgement.”
Heather P: “I loved the flexibility and the consistency of offerings, so I could always do a class, no matter the time zone!”
Cheryl C: “As I continued the classes, I found I was feeling more energetic and motivated to keep going, a big surprise to me.”
Teri C: “Doing some things (like lifting my 35 pound granddaughter) has become easier.”
Tracey L: “Being able to attend live classes and then recorded classes in between made it so easy to keep active and retain the muscle that I have been working so hard to achieve.”
Frequently Asked Questions
What if I haven't exercised in a long time, or ever?
No problem. You'll set a reasonable goal, and I will provide modifications during every class.
What if I'm already pretty fit? Will I be challenged?
Yes — every move has a more challenging option built in.
Do I have to do the fitness testing? What if I'm nervous about it?
Not at all — it's completely optional. But I'd encourage you to try it: it's not complicated, there's no pass or fail, and it's honestly one of the most motivating parts of the challenge, watching your own numbers move over 10 weeks. If it's not for you, that's fine too — you can build your whole experience around the classes you love and skip testing altogether.
What if I can't attend live classes?
Every class is recorded and added to your portal within 24 hours. Plenty of participants complete the whole challenge using only recordings.
What if I'm traveling during the challenge?
Stream from wherever you are. Take a break if you need to and pick back up when you return.
How long do I have access to the recordings?
As long as you have your ZoYoga Fitness membership.
Ready to Join?
You can use the link below. If you join before 9/21, you can join us for classes as we are testing the new formats, which will give you insight into what we will be doing and an opportunity to provide feedback.
There are two plan options. Choose the one that applies to you.
Let's spend the next 10 weeks building the body that carries you through the next 30 years. 💙
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