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Welcome to Prescribed Fitness

The fitness community you've been looking for

Prescribed Fitness offers cross training focused on functional movements in a motivating group setting where becoming part of our community will get you results that you never imagined were possible.


Prescribed Fitness Friday Night Lights!

Starting March 12th @ 5:15 PM

Sign up for the CrossFit open and join us at our gym to record and submit your workout!  This will be lead by coach Josh! 

Email PrescribedFitnessSD@gmail.com to sign up.


Spring Boot Camp-FULL

Next Session Starting March 23rd!

Check back for our Summer 2021 Session

Join us starting March 23rd every Tuesday and Thursday at 5:30 PM for our 8 week boot camp series.


As a member of our community you will experience more than just a good sweat

Professional Programming with access to a platform so you can track your workouts

Social Support-our community will encourage you along the way

Structured and Safe Environment

Nutritional Support

One on One Coaching


What does a class look like?

Warm Up

At the beginning of each class you can expect a group warm up that targets specific areas to help prevent injury and prepare for the daily workout.


A short exercise or focused lift dedicated to correct form and buiding strength.

Work Out of the Day (WOD)

Our WOD is different every day. It is a higher intensity workout with varying movements, times, rep schemes.  This is where you will push yourself to grow. Our coaches will assist to ensure proper form and weight. This can vary and be adjusted based on skill and experience.  It is a motivating individual effort with an encouraging group.

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It's Your Time

to live a strong and healthy life surrounded by people who care

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Class Options

Come Visit

(All classes are 1 hour except Noon Express class)

  • Mon & Wednesdays: 5:30 AM, Noon Express (12:10-12:50), 4:15 PM, 5:30 PM 

  • Tuesdays/Thursdays: 5:30 AM, Noon Express (12:10-12:50), 4:15 PM

  • Boot Camp only Tues/TH 5:30 PM 

  • Friday: 5:30 AM, Noon Express (12:10-12:50), 4:15 PM

  • Sat: 9 AM

  • Bar Basic class TBD 

  • More classes to come with increased membership demand!



Don't be!  We make it our priority to make all fitness levels and ages feel comfortable.   Too help beginners we encourage taking our Bar Basics class.

Bar Basics

Bar Basics is a intro class that is meant for beginners who need to learn proper form and terminology and just get comfortable with our equipment

Will be offered ~1x/month, ask for details


Become A Member

All options include tax and have no contracts or sign up fees


Monthly Singles

Individual Membership 
(ages 16+)


Monthly Couples

Join with your partner for a discounted rate!


Monthly Family

Join with your whole family! Up to 6 people.  Immediate family members only.


Veterans, Firefighters, Police Officers and Paramedic Discounted Rate (10% off)

We appreciate your service!  Join for a discounted rate.


Student Discount

Show us your student ID for a major discount!


10 Class Punch Pass

Not sure how often you will be able to join us each month?  Consider a punch pass and come when you can! Expires one year from purchase.


Drop In

Coming from out of town or not ready to commit more than a class at a time?  Drop in for 15 dollars!


Monthly Seniors

Ages 55+


2 Weeks

Need to make sure this is the right place for you?  Come try us out 2 weeks for free!

50% off one month

Referral Program

If you refer a new member to our gym who stays 3 consecutive months, get 50% off one month of membership.  ($50 dollar value!!)


Boot Camp

Starting March 23rd, every Tues/TH at 5:30 PM x 8 weeks

Sign up with a friend for 25% off!

Email PrescribedFitnessSD@gmail.com who you are signing up with. 


Our Coaches

Jessie Nielsen

Jessie is a Massage Therapist and has a degree in Exercise Science. She is also Level-1 Certified in CrossFit.

Jessie is from Brookings, SD and is a mom of three boys. She started CrossFit in 2014 and instantly fell in love. She has enjoyed the community CrossFit builds as well as doing team competitions. Jessie has been teaching some sort of fitness class for over 12 years. She has a passion for health and fitness and is ready to help you meet your fitness goals!

Josh Hansen

Josh grew up in Southeast MN and started CrossFit in 2016 at New Ulm CrossFit.  From there his love for working out grew and has brought him here.  He enjoys competing in CrossFit in all forms; individually or on a team because who doesn't love to work out with other people!  He is Level 1 CrossFit certified.  When Josh is not working out, he tries his best to play golf.

Kari Fleming

Kari Fleming has been active in the CrossFit community since 2013, when she first starting attending classes. She obtained her CrossFit Level 1 Certification in 2015 and has competed in various CrossFit competitions.

“My favorite part of CrossFit is the challenge each workout brings and the variety of movements that make me a better athlete.”

Kari is a certified Physician Assistant at Prairie Lakes Healthcare Systems and is passionate about sharing the importance of exercise with her patients.

Kari, her husband Ben, and 2 children, Cooper and Merritt, live outside of Watertown and enjoy spending time outdoors and living an active lifestyle.

Alison Gerrish

Physician Assistant and gym owner who knows what it is like to be intimidated to join a new gym.  It took her husband over a year to convince her to walk in the door at her first CrossFit gym in 2018 and now she's hooked.  Alison is a member of the American College of Lifestyle Medicine and is passionate about using lifestyle medicine to optimize overall health.  She is certified in whole foods plant based nutrition, is a Certified Lifestyle Medicine Professional and is available as a health coach to her members. Alison is a mom to 3 young children.

Jackie Burghardt

Jackie is a Watertown, SD native who is married and has three adult children.  She has always enjoyed working out, but didn't start running more seriously until she was in her 40’s and then later found CrossFit in 2013.  She was hooked after the first class, and faithfully attended 5-6 days a week.  What she loves most about the CrossFit style workouts is how they can be adapted to all fitness levels.  She has competed in partner competitions and also the Masters 50+ division at the Dakota Games.  Jackie received her CrossFit Level 1 certification in 2018 and looks forward to meeting new people and helping them achieve their fitness goals.

Kim Diedrich

Kim will be one of the coaches for our 2021 Spring Boot Camp, coaching every Tuesday evening at 5:30 PM.

Kim grew up in Watertown and became interested in fitness after she graduated high school. She tried many different types of workouts but absolutely fell in love when she was introduced to kettlebells. Kim became StrongFirst Certified in 2016 and has been doing group and one on one coaching ever since. She is versed in functional movement screening and is very passionate about educating clients to use strength and mobility training as an investment into their health. She is married and has two children and two dogs.

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About Us

Dr. Greg Gerrish and his wife Alison, a Certified Physician Assistant, started Prescribed Fitness as a service to their community to help them achieve optimal health in a way that cannot be done in the hospital or clinic.

Exercise is one of the 6 pillars of health along with healthy eating, adequate sleep, social connections, avoiding risky substances and stress reduction. At Prescribed Fitness you will not just achieve an amazing work out that will help you manage your stress and sleep, you will also get to experience a supportive community of people that is unlike any other.

Join us for a free trial today!


Get In Touch

204 9th Ave SE
Watertown, SD 57201


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