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Game Changing Performance

5.0 41 reviews
Overall rating
5.0
out of 5
41 reviews
5 star 100%
4 star 0%
3 star 0%
2 star 0%
1 star 0%

About Game Changing Performance

Game Changing Performance (GCP) offers a unique fitness experience that focuses on all aspects of health, including exercise, nutrition, and hydration. Since joining in June 2023, clients have reported significant weight loss, increased energy, better sleep, and a more positive outlook. The supportive team, including Nate and Trevor, provides tailored coaching, motivation, and accountability, creating an welcoming atmosphere for all fitness levels. The workouts are both challenging and rewarding, and many members appreciate the flexible class times and options for semi-private sessions. GCP is highly recommended for anyone looking to improve their overall fitness and achieve personal goals in a friendly environment.

Feb 2026
5.0
I’ve truly enjoyed going to this gym and making it part of my routine. From the moment I started, I felt welcomed and supported.

One of the biggest benefits for me has been how good I feel every single day after attending a class. I leave feeling energized, accomplished, and mentally refreshed. It’s become something I genuinely look forward to. I also really appreciate the nutrition aspect that’s incorporated into the program. The guidance and support around healthy eating have made a difference in my overall progress and lifestyle.

Highly recommend this gym to anyone looking for a positive environment, great classes, and real results!
Feb 2026
5.0
They are extremely conscious about your limitations and give you alternatives if you can’t do the exercise they have planned. I think because they are not part of a big corporate entity they can make their own decisions. Because they are not beholding to a bunch of people that are just grabbing money, they can focus on what’s important, their clients!
Feb 2026
5.0
Great place! Been going here for almost 8 years. Great gym, great people!
Photos of Game Changing Performance, 300 Washington Blvd,  Mundelein
All 31 photos

Hours

Monday 4:30 - 6:15PM
5:30 - 9:30AM
Tuesday 6:15 - 10:30AM
4:30 - 6:15PM
Wednesday 4:30 - 6:15PM
5:30 - 9:30AM
Thursday 6:15 - 9:30AM
4:30 - 6:15PM
Friday 5:30 - 9:30AM
Saturday 8 - 9:30AM
Sunday Closed

Good to know

  • accepts credit cards
  • good for kids
  • private lot parking
  • gender-neutral restrooms
  • open to all

Location

300 Washington Blvd, Mundelein, IL 60060

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Game Changing Performance · 300 Washington Blvd, Mundelein, IL 60060

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