Karin Collins Owner FIT4MOM Marin and Fit4Baby/Stroller Strides/Stroller Barre/Body Back Instructor

Kiddo: Liv (March 2012)

Welcome Mamas! I am very excited to bring FIT4MOM into your life. The day I went into labor with my daughter was the same day I bought the FIT4MOM Marin Franchise. My nesting had finally come to an end. A few months before, I had searched on Google for inspiration to start my own business. I wanted to own a business that would be supportive of motherhood, and one in which I could spend as much time with my daughter as possible. Fitness and running have always been a big part of my life and I was hoping to create a job where I could be outdoors and active. I had recently completed a yoga certification and attained a culinary degree at Living Light Culinary School as a Raw Vegan Chef and Nutritionist Educator. While searching Google, Stroller Strides popped up. I thought that the concept of working out while engaging your child was pure genius. I knew immediately that this was my calling and I couldn´t wait to create a community here in Marin County for moms and their families. So, without ever having tried a class, I bought the franchise! When my daughter Liv was 3 months old I started our playgroup, and when she was 6 months old we held our grand opening in San Rafael. A month later, I had a second grand opening in Mill Valley for FIT4BABY and Stroller Strides. After a few months of teaching eight classes a week by myself I was able to hire my first instructor. In 2014, we had our third grand opening in San Anselmo, at which point we also added Stroller Barre and Body Back to our schedule.

Today, I can’t imagine what my life would have been like without my FIT4MOM mamas and their families. My husband Ron, Liv, and I have made so many incredible friends and we have received so much support. When I broke my ankle I had families volunteering to deliver meals for me for a whole month. They took me grocery shopping and even picked me up so that I could come to our classes! Their generosity of spirit goes to show that FIT4MOM is much more than just a workout; we are a community who remain dedicated to each other, through all of life’s joys as well as its hardships. I am extremely proud of FIT4MOM Marin. We are the sisterhood in motherhood that ALL moms need. And now, we have an awesome FIT4MOM Marin team helping to reach more women. Our village has blossomed into one big family. I know that I am very fortunate to have a dream job that allows me to include my family in everything FIT4MOM has to offer, from playgroups to mom’s and parent’s night out, family events, holiday parties and more. I am honored to be helping moms on their of journey to health and fitness. My passion and purpose is my family and to help moms gain "strength for motherhood, at any stage of motherhood".


Karen McMillin Stroller Strides/Body Back Instructor and Administrative Membership Manager

Kiddos: Liam (November 2011) and Molly (May 2013)

Hi Strong Mamas! I am the mom to 2 amazing kids and I love FIT4MOM and everything it has brought to my life!
I have participated in some type of physical fitness, my entire life. So when I found out I was pregnant, I was determined to have a healthy active pregnancy. I was able to run, hike and do daily power yoga classes throughout my pregnancy. Having a newborn provided some challenges, but with my first baby (Liam), I was still able to attend the classes I loved prior to becoming a mom. 18 months after having Liam, Molly was born and EVERYTHING changed!

Molly would not tolerate being with anyone but me! I tried several gyms with childcare, only to be called out 10 minutes into class. I knew I had to find something that worked for us all, and after a little research, I discovered FIT4MOM. I am so thankful everyday that I did!
Suddenly, I was able to work out with 2 small kids and no one judged me if they were yelling, crying, shrieking, etc! The workouts were amazing and best of all, I was setting a great example for my kids! They could see that exercise is important and Mommy's health is a priority! But Fit4Mom is so much more than the workout! It's a community of moms that "get it", and are there for one another through this crazy, amazing journey of motherhood!

I became a Stroller Strides instructor in January of 2014 and a Body Back instructor in March 2014. It has been the most rewarding experience of my life! I love being able to welcome new moms into this fantastic tribe of strong women and let them know they aren't alone. And I LOVE helping moms gain the “strength for motherhood”!


Liz Dietrich, Stroller Strides/Fit4Baby Instructor and Marketing Coordinator

Kiddo: Maggie (July 2013)

NOTHING can prepare you for parenthood! It’s so unbelievably challenging and exhausting!! By the time my daughter, Maggie, was 12 months I was completely overwhelmed! Parenthood truly seemed to be “all of the joy, none of the fun.” But then I took my first Stroller Strides class and I was running through a park with a stroller, singing silly songs and laughing with other mommies! It was SO MUCH FUN!! Eventually my daughter, Maggie, got use to our new class routine and she was having tons of fun! My husband joined us on family Sundays and he was having fun! Stroller Strides brought us “all of the joy, and tons of the fun!!”

1 year later I became an instructor and I’m still having fun. I am forever grateful to Karin and the FIT4MOM Village. The workout, itself is quite challenging and I’m lighter and more toned than I’ve ever been. The songs and activities during class provide a very entertaining hour for the kiddos and Maggie has made lots of friends. I have found wonderful friends myself who have provided such amazing support through the motherhood journey. It takes a village couldn’t be more true. Actually, it takes a FIT4MOM Village! And that is the true magic of this program….. Whether it's Body Back, Stroller Strides or FIT4BABY, you’ll find your village of mommy friends and their families which is crucial to surviving the journey of parenthood!

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