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  • *Under 18 must be accompanied by parent or legal guardian.

  • *Under 18 must be accompanied by parent or legal guardian.


375 S. McCaslin Blvd. Suite A
Louisville, Colorado 80027


  • The trainers are very friendly and energetic. They make it a personal experience.
    - December 24, 2018 by S.P.
  • I love the sense of community I experience at my 9Round gym. Allison, Mandy and the rest of the amazing trainers help me start off my mornings with a great bang
    - December 20, 2018 by Alex Medina
  • I love the variety of workouts after 2 1/2 years I don't think I have done the same one twice, and the trainers are so professional and motivating.
    - December 09, 2018 by T.O.
  • Great staff and set up and convenient location
    - December 05, 2018 by Hannah Sommer
  • Amazing trainers! A different workout everyday! The 9round workout community is super up lifting and drives me to workout 5 days a week.
    - December 05, 2018 by D.G.
  • I love the trainers and their commitments to their members. I also am really enjoying the holiday beat the ball challenge. It has motivated me more that I can explain.
    - December 03, 2018 by Rhonda Grosz
  • The trainers are always upbeat and motivating. Great workout every time!
    - December 03, 2018 by A.G.
  • Trainers, the workout and the flexible start time of hopping on a circuit. All the trainers know me and push me to reach my goals. I love it.
    - December 03, 2018 by Scott Jackson
  • The best trainers ever!!!!
    - November 28, 2018 by M.W.
  • Flexibility of times. Never the same workout. Great trainers. Motivating community. Fun!
    - November 26, 2018 by J.K.
  • The trainers are incredibly supportive and motivating. It's a fast, convenient workout that always leaves me feeling better than when I came in.
    - November 25, 2018 by S.T.
  • The trainers at my 9R are awesome. Friendly, fun, and FIERCE!
    - November 16, 2018 by R.D.
  • It’s a great combination of a class and an individual workout.
    - November 11, 2018 by D.H.
  • The trainers and the length of the workout. It is easy for be to work into my schedule, given the lack of class times the most I have to wait to get started is 3 minutes. its great i have already told dozens of people about it
    - November 09, 2018 by Karin Spears
  • Everything. The workouts are fun and quick and the trainers are lovely.
    - November 09, 2018 by S.S.
  • I like that it’s a different workout everyday. I look forward to seeing what the different rounds will be daily!
    - October 10, 2018 by A.R.
  • Trainers, daily work out program changes.
    - October 10, 2018 by S.K.
  • the staff and the tough but great workouts!
    - September 21, 2018 by Alexandra Gage
  • Louisville, Colorado 80027 I love the flexibility of getting my workout in no later than three minutes upon arrival. I love Alison and her energy at 6AM EVERY morning! I love the variety in workouts. Never a dull moment. I love the monthly challenges. I’m TOTALLY digging the plank challenge this month. I love Mandy’s receptivity to member feedback... I suggested the gym partnered with A Precious Child, a non profit organization that assists children with things like sports equipment, back to school supplies and Christmas wishes, to name a few. We rocked the back to school campaign. I am so grateful for Mandy’s support while recovering from my running injury. I’m stronger and happier as a result. I love Josue’s IG mini training videos. I love Jillian’s ‘tough love’, even as my legs shake from the exhaustion. But most of all, I love that we feel like a family.
    - September 20, 2018 by Alex Medina
  • Excellent trainers and just a fantastic workout.
    - September 08, 2018 by K.M.
  • I have been coming to 9Round Louisville for almost three years and I never get bored! Always an excellent work out with a team of dedicated trainers that support you with humor and positivity! I love that there are no class times, so when I am ready to work out, I start. I look forward to coming to 9Round and know it has made a huge difference in my physical and mental health. Thank you!
    - September 06, 2018 by K.B.
  • Personal Trainers - always there to help, and SOOOO friendly and awesome all the time!
    - September 05, 2018 by F.M.
  • I love 9Round. The staff is amazing. And so supportive which is why I’ve been a member for the last few years and have done over 375 workouts.
    - September 02, 2018 by K.L.
  • 9 round has been such a relief to find! I can show up when I want and get the best workout in only 30mins. All the trainers are great! They push me to work harder and keep me accountable. They offer modifications as well as extensions to make things more challenging depending of ones fitness level!
    - August 27, 2018 by Jessica Ferona
  • The trainers are kickass and the workouts are fun, entertaining and super effective!
    - August 27, 2018 by Danielle Williams
  • Best trainers anywhere!!
    - August 26, 2018 by M.W.
  • The wonderful trainers that get to know you personally, support you, and push you.
    - August 24, 2018 by S.T.
  • I really value the commitment and interaction with the trainers and I feel motivated by the group of folks I routinely work out with.
    - August 24, 2018 by Rhonda Grosz
  • The encouragement from other members plus the staff!
    - August 18, 2018 by Genevieve Sparagna
  • Personal trainers help everyone at their own pace, without judging the person and giving motivation to improve on workouts
    - August 17, 2018 by M.D.
  • The trainers are awesome! So positive, fun, personable and knowledgeable. I look forward to my workouts and they fly bye!
    - August 14, 2018 by J.Z.
  • The trainers are fun, energetic and attentive. I love that there are no class times.
    - August 08, 2018 by Nicole Freeburg
  • The whole thing works for me. The fast rounds, the trainers, the new skills.
    - August 06, 2018 by R.M.
  • Flexibility and trainer attention.
    - July 18, 2018 by L.R.
  • The Trainers are highly motivating and everybody goes at their own pace.
    - July 11, 2018 by A.G.
  • Flexibility and the great trainers!
    - June 21, 2018 by Elizabeth Dial
  • The trainers are amazing. They work with you through any injury and the best part no class times. One of the best workouts you will get and I use to do CrossFit
    - June 06, 2018 by K.M.
  • I feel like we are part of a group that the trainers truly care about.
    - May 26, 2018 by Darcy Gora
  • Love 9round! Only workout that keeps me motivated to keep going! It's so much fun and different every day.. plus the trainers are awesome!
    - May 24, 2018 by C.M.
  • I love many things about my 9Round program but the best is the trainers who are really involved and happy to help modify workouts as needed. Whether that means helping me focus on a particular area or helping me get back to my full workout after an illness or an injury. The 9Round teams in Louisville and Arvada are amazing!
    - May 23, 2018 by Rhonda Grosz
  • 9Round is a great all around workout and oh so FAST!
    - May 17, 2018 by K.R.
  • Catered to your abilities and injuries, social support from coaches and other people who work out with you. Over in 30 min, variety of muscle groups worked and switches each day.
    - May 17, 2018 by G.S.
  • Trainers are so upbeat, fun and knowledgeable. Workout is very efficient and never boring.
    - May 12, 2018 by J.Z.
  • It's quick. I can go and start anytime. The workout changes and there are coaches available.
    - May 06, 2018 by R.M.
  • The Trainers are awesome! And the workouts are so diverse, I don't remember doing the same one twice. I look forward to working out there each day.
    - April 16, 2018 by N.B.
  • errrthang!
    - April 15, 2018 by A.W.
  • Daily training programs don't repeat so it is not boring. Friendly trainers are a plus.
    - April 14, 2018 by S.K.
  • It's an amazing 30 min workout. I feel great afterwards. And I love the staff.
    - April 07, 2018 by Dailyn hall
  • I like how welcoming and personable the staff is. Since my first class I've had fun and felt very comfortable at 9Round. I also enjoy how good of a workout I get in, in just 30 minutes. The workouts kick your butt and you don't know it until the end, but that causes you to push harder getting in a great workout.
    - March 31, 2018 by M.P.
  • No set class times, different workouts every day, great full body workout in 30 minutes, great community.
    - March 18, 2018 by Kelley Ward

About the team

  • 9Round trainer
    Christine Matthews
    Christine, "The Machine", is owner/ACE certified personal trainer/Fitness Nutrition Specialist and is originally from Saint Paul, Minnesota. She has been trained in Brazilian Jiu Jitsu while serving in the Army and has spent the last 12 years kickboxing. Christine is very passionate about helping others on their fitness journey and is excited to bring the awesome 9Round experience to Louisville. "Our gym is a place with no judgment. It's filled with motivating and thoughtful trainers who help others achieve their goals and celebrate success."
  • 9Round trainer
    Mandi Ryan
    Mandi, "The Savage", is originally from Chesapeake, Virginia and recently moved to Colorado. She is the Assistant Manager at 9Round Louisville, ACE certified personal trainer, and comes to us with experience as a strength and conditioning coach. Mandi's personal interest in fitness came after a softball accident when her weight began to increase to over 200lbs. She decided enough was enough and began running half a mile every day along with weight training. The weight started coming off and she has been addicted to an active lifestyle ever since. Mandi is excited to join the team because the energy at 9Round Louisville is contagious! "You arrive hyped about the workout and you leave satisfied. Every workout changes daily which is awesome because you're constantly challenging yourself to become a better you! If it doesn't challenge you, then it doesn't change you."
  • 9Round trainer
    Josue Lopez
    Josue, "The Predator", is originally from Broomfield, Colorado. A former wrestler, he became a state champion while in high school and has continued his passion for fitness through weight lifting the past 10 years. As an ACE certified personal trainer, Josue loves to guide others to their physical and mental limits. The "Predator" will train you to focus your energy and hunt down your fitness goals!
  • 9Round trainer
    Darryl Cohen
    Darryl “The Catalyst” Cohen is a 9Round Certified Trainer and Certified Transformational Nutrition Coach. He's originally from Vernon, Connecticut, and moved to Colorado after graduating from college. He suffered a knee injury playing basketball during his final year of school, which caused him to look for new ways to stay active. Upon moving to Colorado, he was introduced to yoga, Muay Thai, and Krav Maga. He developed such a passion for mixed martial arts, that he began volunteering to help train the children at his dojo. It was through this contribution he realized that personal training was something that he needed to pursue. Darryl loves empowering others, and helping them exceed their fitness goals.
  • 9Round trainer
    Allison Zolun
    Allison, “The Striker”, is originally from Southern California and moved to the beautiful state of Colorado 9 years ago with her family. She has been training in Kickboxing, Muay Thai and Krav Maga over the last 6 years and will earn her Black Belt in Muay Thai in May 2018. In 2014, she was diagnosed with an autoimmune disease called Hashimoto’s Thyroiditis and adrenal fatigue and made the choice to treat it holistically. In doing so, that forced her to change her nutrition and exercise regime. In less than a year she lost over 40 pounds, overcame depression and fell in love with fitness in a new way. With her successes she has a great desire to encourage and empower others to take control of their wellness and conquer goals. For the last 2 years she has been an online health & fitness coach, is a Level 1 certified Muay Thai instructor volunteering at her dojo and is currently studying to be a NASM Certified Personal Trainer. Allison is very excited to be a part of the 9Round family and community. She wants to remind us all that “No one is you and that is your power!”
  • 9Round trainer
    Mike Ford
    "Magic Mike" is a 9Round Certified Trainer, born and raised in Louisville, CO. He began doing martial arts at age 5 and is a second degree black belt in Shotohan karate. He's currently on the U.S. National Team and training to go to the Olympics in Tokoyo in 2020. Fitness has always been a huge part of Mike's life and something he believes is very important in anyone's life - which is why he entered the industry. Everyone's journey is different, but we all have to start somewhere, and there is no better time to start than now!
  • 9Round trainer
    Jilly Norris
    Jilly, "the Jawbreaker", grew up in Liverpool, England. She's a 9Round Certified Trainer as well as Hiit and Bootcamp group class certified. Jilly was always 'sporty' growing up, but fitness became her passion after losing her Dad to cancer when she was 24. It showed her that we have to look after our body and make the most of life as we only get one shot! She educated herself about healthy eating and began running. Jilly couldn't run a mile when she started out but immediately set a goal of running the London marathon, which she achieved in 2013. Working in advertising at the time, she needed to be efficient while training as she worked long hours, which is when she learned more about HIIT and really maximizing short workouts. Now she keeps her workouts varied and as fun as possible and loves running in sunny Colorado! Jilly chose 9Round because it's fast, fun and she love's hitting those bags! It's so different to any other workout she has done before. Her favorite quote is "The pain you feel today, will be the strength you feel tomorrow."