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I am so thankful I found Coach Casey's program! I had tried to get active again on my own but I kept getting sideline by injuries: shin splints, plantar fasciitis and a torn meniscus. I knew I had to do something different. I have been following Coach Casey's program for a little over a year now and just completed the longest run of my life at 53 years old - 4.6 miles PAIN FREE. I have exceeded my original goals of running for 30 minutes without stopping and completing a 5k and I'm now working toward a 10k. I can also say I am probably in the best shape of my life and I am enjoying being active and healthy again! I would recommend Coach Casey's program and app to anyone - it has all the resources you need and a supportive community to cheer you on as you work toward your goals.

-Cherie W

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Run4U is a wonderful program! I was able to increase my miles over time and I did not get injured in the process. It's very easy to communicate with Dr. Guthmiller, and he is always ready to answer questions. The app has also created a community of fellow runners that are very supportive of each other.

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I've never been a runner. I have tried various 5K and Half Marathon programs throughout the years and they have never worked - I would either get hurt or eventually wouldn't be able to keep up with the assigned runs. When I stumbled upon Dr. Casey and R4U, I could barely run 30 seconds. Today, I can run for over an hour without stopping. I went through his entire program with no injuries and it was FUN. He's a great coach - knowledgeable, encouraging, and reasonable - who I would recommend to any friend or family member.

-Ariel S

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I never ran in my life and this past year I decided to pick it up in the hope to eventually run a marathon. I have already ran two 5Ks and everything about this program is amazing. I highly recommend this program and Casey has been great in answering my questions and gives you the extra pep talk and motivation when needed.

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My Christmas present to myself last year was to sign up for coaching via this app with Dr. Casey. My hope was that with the coaching I would finally be able to complete my first half marathon. Well, I did just that! The personalized coaching, encouragement and having someone to answer all my questions was so helpful. Would definitely recommend Dr. Casey and his training programs to anyone wanting to accomplish their next running goal!

-Annie M

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I can't adequately express how grateful I am for this running app. I am grateful this progression is very realistic...Part of why I'd always fall off with running is because the program didn't help me progress at a level that was conducive to my fitness level. I often struggle with anxiety about working out and this program makes me feel safe. I love this program so much that I carved out time to get it done during my break on my 12 hour shift. I'm so grateful!

-Gladys M

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Running with Dr. Casey has made my running journey possible. Any other time I’ve tried running, injuries (mostly shin splints) prevented me from carrying on. I just keep showing up for myself and doing the next run…running the mile I’m in… pleasantly surprising myself each longer run period. I will continue with Dr. Casey for quite awhile as I want to keep improving. Running is a new lifestyle for me and I want to be coached by someone who really knows what’s best for me.

-Tracey P

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When I started I couldn’t even run 5 mins without being gassed to now being able to run a freaking MARATHON. It feels almost magical how much progress I can make just by being consistent and following your plan. Your consistent encouragement of and belief in me has been the biggest gift! So thankful for you, Casey!! You made my marathon finisher dreams become a reality!

-Lindsay R

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I got back into running consistently about two years ago and after a few months decided to run a half marathon. Kind of winged it and ran 2:04. I knew I needed a coach and a consistent, specific running plan to succeed. I saw Casey on Instagram and decided to join the run club and I can't recommend it enough. The half marathon plan gave me that extra edge and confidence to run a new PB of 1:48. I broke my 12 year old half record by over 8 minutes and recent race by over 16 minutes!

-Brad H

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I'm happy to say I DID IT!!!!! I RAN my very first 5km in my entire life!!! Up until now it's been a run/walk achievement.

-Cindy M

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So, I completed my marathon today in 4:28:40! I want to give you a big thank you, your program took me from not running for almost 4 years due to an injury to performing better and running faster than I have on previous attempts! Patience and sticking to the program works!

-Clinton A

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I am super stoked to post this. Did not walk. Did not stop. Slow and steady got it done!! First 5k straight thru in 8-10 years! Thanks so much!

-Kristine B

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One of my goals was to run a marathon, but I was having some Achilles problems, which was causing me pain— the biggest setback from accomplishing those goals. The longest I had ever run was 5 miles. I didn’t know if I’d be able to do it because of the pain. I’m telling you— pain free!!!!! I was pain free basically the whole program. A complete 180 occurred after I started working with Casey. I stayed on track with his program and accomplished my goal of running a marathon. His coaching skills honestly speak for themself. I cannot thank him enough or speak highly enough of him. With his coaching, I felt super prepared in every aspect - my nutrition, running form, everything. Thank you Casey!!!!”

-Jamie Z

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I completed my first 5K in less than 8 weeks after starting by only being able to run for 3 minutes at a time. I’ve been surprised at how much farther I can go, and I am just proud of myself. I’ve built so much confidence in myself over these past few weeks. Y'all go hire this guy, he's an amazing coach!

-Katie S

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Not only were you very knowledgeable about running, but I absolutely loved your background as a physical therapist. Given that I was coming from a place of injury, it is what convinced me to choose your program. Communication was a big one…always responsive, positive engagement and I really felt like you actually cared about my success and that genuine connection was huge for me. You didn’t lose track of my particular journey like my other trainer who couldn’t remember I had an injury sometimes or what I was struggling with. Or even what I was successful at…thank you for everything!

-Tammi S

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🎉🎉🎉🎉 I ran 30 minutes straight!!!!🎉🎉🎉🎉 If you would have told me 3 months ago that I would do this, I would not have believed you...But today I did it.

-Kamini S

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Casey gave me back the confidence to run and my enjoyment in running. The program started where I was at and enabled me to progress and build upon what I was able to have success with. I was able to run whilst my health issue was making progress…I am thankful for such a supportive program and coach…If I think back to 3 months ago, I could not have imagined I could be running the workouts that I am now. Thank you!

-Rebecca M

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I’ve always wanted to be a runner, but never really started because I was afraid of getting injured and it being too hard when you’re out of shape. I decided to do the program after talking to Casey about what I wanted to get out of it…becoming someone who has running as a hobby, largely for the health benefits of it. I started from scratch…and the program had the right approach with good progressions so I was able to avoid my fear of injury. After our time together, I definitely feel like a runner and have the groundwork in place to continue my running journey!

-Tone K

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I went from never having run before, to running 30 minutes nonstop. I wouldn't have been able to do that without this way of coaching! Thank you!!

-Brandon O

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My knees feel better with this program than when I was trying to run on my own. Running was something I loved to do, had 2 babies and gained some weight, life got busy and I fell out of practice. Every time I tried to start again it just hurt, I'm so happy I'm finally finding myself back on my path.

-Naomi F

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I am extremely happy with my experience working with Casey. With his help I hit some of my own personal records that I hadn't have been able to before. I feel confident moving forward I can take what I have learned and apply it further for more success. One of his biggest strengths would have been his ability to empathize with any struggles that might have gone on during the previous week and helping me create a plan of what I can do tangibly to overcome or combat those weaknesses for the following week. I also liked the variety of resources that were given, not only the plan, but also the program's modules to better my knowledge on running, nutrition, etc.

-Cat D.

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I really enjoyed working with Casey and am glad I did it to help me complete my first half marathon. There was focus on more areas than just running which was really helpful, and it helped me to practice better life habits overall as a result. Casey's experience/knowledge as a physical therapist was really a benefit to me as I had previously struggled with shin splints my whole life. I also really enjoyed the positivity throughout. Even on weeks where things were not the greatest, Casey had nothing but words of encouragement to continue and improve.

-Mariah M

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I surprised myself and actually felt pretty good during and after. I am finding my legs & lungs are performing so much better and I’m now a believer in this program. I didn’t ever envision being able to run 4 mins straight let alone multiple sets!!! It’s the motivation I need to keep going. So thank you!!

-Joanna N

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Dr. Casey is very friendly and professional. Answers quickly and is very supportive. Is also flexible to change the program if needed. So far very satisfied! 

-Rebekka T