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If you've ever experienced anxiety in the weight room, here is where you will let it go and embrace the transformer within you. It's always amazing to me how people closest to us can make us feel so uncertain or even guilty about making healthy changes. When it comes to women's fitness, strength training is becoming more and more accepted as a necessity.

Clients tell me their doctors are actually prescribing. I have been working with Cassye for almost a year now and it has been a great experience! I came to her after a stress fracture in my foot and after restrictions were lifted during the pandemic. I was out of shape to say the least. Cassye creates an extremely comfortable environment, free of intimidation and really listens to you and your body.
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I am Cassye Delphy, and I specialize in fitness for women. I coach transformers who are striving for big-time change that is not only attainable but sustainable. Because I was once where you are now, and I understand how it feels to finally make eye contact with that unhappy stranger who's been loitering in your looking glass.
In 2011 I was disappointed and sad because I'd let myself go, and I'd become that stereotypical mom in her 40s who had just given up. I realized that this year had marked the second round of clothes purchased in larger sizes to accommodate my recent growth. Two rounds of acceptance of a myth that turns out wasn't really true AT ALL - you get older and you get out of shape.
Choosing the name for a website is tricky business. You need something descriptive, available, and easy to rattle off. I thought about the year I was born. Nope. 69 just gives off the wrong vibe. The number of pounds I've lost? Too misleading. I don't want to trick people into thinking the scale actually tells the truth about your fitness level.
How about a 100% customized approach? I can help you find simplicity in exercise & nutrition with these three fitness programs and personally teach you how to get your groove on for good! If you are lucky enough to reside in or near beautiful Fort Collins, Colorado, then I would love to be your certified personal trainer and train with you in person!
If you are lucky enough to reside in or near beautiful Fort Collins, Colorado, then I would love to be your certified personal trainer and train with you in person! Although I do work with both men and women I think it's safe to call me a "female personal trainer" as most of my clients are female.
Reviews (9)
Christie Ladd
Christie Ladd
May 03, 2021
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I have been working out with Cassye for 6+ months. She is knowledgeable, kind & tailors my workout according to my specific needs. I met my first goal which was to become strong in order to lead the best life possible. I am now...so strong and powerful thanks to my workouts with Cassye! My next goal is weight loss. I have already lost weight, but am focusing on eating healthier based on Cassye’s recommendations.. My time with Cassye has been so beneficial to my health and well-being. I look forward to working with her in the future!
Stacia Fortenbery
Stacia Fortenbery
Apr 16, 2021
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I have been working with Cassye for almost a year now and it has been a great experience! I came to her after a stress fracture in my foot and after restrictions were lifted during the pandemic. I was out of shape to say the least. Cassye creates an extremely comfortable environment, free of intimidation and really listens to you and your body. She takes the time to learn about you and creates workouts that fit your needs. She's a 10/10!
Kelly
Kelly
Nov 14, 2020
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My experience with Cassye at 43Fitness has been truly transformational and educational. Working with her has completely abolished my fear of the gym! Although she is highly skilled in working with all levels, I was searching for a trainer who was right for my initially limited skillset. Working with Cassye for over 6 months exceeded my expectation by a long shot. If you’re considering a trainer in the Fort Collins area, I highly suggest meeting with Cassye for an initial consultation. She will work with you on your goals (or help you set some!) and provide you the tools you need to conquer them
Colleen Stanevich
Colleen Stanevich
Jun 20, 2020
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I came to Cassye with a shoulder injury and a body that had experienced too much sitting and not enough movement. She met me where I was at and continues to help me progress in my strength, flexibility, and stability. My shoulder is stronger than ever, but the increase in my balance, endurance and confidence is evident as well. Having her as an accountability partner and coach has helped me every step of the way.
Teddy Ezzell
Teddy Ezzell
Sep 10, 2019
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Cassye is an incredible trainer. My time with her was absolutely transformational. I needed to lose some weight but more importantly, I needed to get in shape and learn how to create a healthy lifestyle that was sustainable and not overwhelming. I started with a 6 week challenge with another organization and lost the weight but knew immediately after completion that I was still nowhere near my goal. I hired Cassye and spent several months with her and she taught me everything from weight training to nutrition to health management. She has a wealth of knowledge and comprehension of overall fitness
Mary Atchison
Mary Atchison
Oct 15, 2018
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Cassye is AMAZING! She works around all of my injuries, all of my weird body things, and I am sooo much stronger than when I started! She is great, understanding, and also super fun. This girl knows her stuff!
Barb Lerich
Barb Lerich
Sep 22, 2018
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I have been training with Cassye for 2 years and I would highly recommend her! I have always been active but had never really implemented an exercise program into my life. Cassye has taken me from being a beginner to a stronger, more confident person! She is supportive and always positive, never allowing me to underestimate my ability! I recommend Cassye to anyone looking for a personal trainer who cares!
Graciela Marin
Graciela Marin
Aug 18, 2018
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She cares unstintingly about your progress; she observes details of posture, alignment and body tension; she encourages and praises genuinely; she gives wholeheartedly of herself for your wellbeing; and she’s interesting and fun.
Five months ago I began by telling her honestly that I absolutely did not like to exercise. I now look forward to my sessions. With Cassye’s help, I’m my own success story!
Lynn Poulin
Lynn Poulin
Jun 28, 2018
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I highly recommend 43Fitness. Cassye is an amazing trainer. I have trained with her multiple times per week for a year and a half. I am 56 years old and had never lifted weights before but now I am hooked. I love going to the gym and each time I want to lift heavier/more than the last time. Cassye has taught me proper form in order to avoid injury and to work the proper muscles and she has been very patient teaching ME to be patient with my progress. Having her there to keep me accountable and disciplined in my workouts and food choices works well for me.