Seung-ni Fit Club (Bay City)

Seung-ni Fit Club (Bay City) High-energy group fitness classes led by ROCKSTAR instructors! Step • Body Sculpt • Cycling • Kickboxing
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Over the past 12 years, Seung-ni Fit Club of Bay City has transformed thousands of lives. Whether you are looking to dip your toes in the water of health and fitness or a hardcore enthusiast - we have a program for you!

Due to instructor emergency 8:30am Step today (11/7/25) is cancelled. Sorry for any inconvenience.
11/07/2025

Due to instructor emergency 8:30am Step today (11/7/25) is cancelled. Sorry for any inconvenience.

🎉 Huge congrats to Christine for crushing it and surpassing 100 classes with us! 💪🔥 Your dedication and energy inspire e...
11/01/2025

🎉 Huge congrats to Christine for crushing it and surpassing 100 classes with us! 💪🔥 Your dedication and energy inspire everyone around you — here’s to the next 100! 🙌

💥These bags didn’t stand a chance during tonight’s kickboxing class with Karen! ✨Join us every Thursday at 5:30 and unle...
10/24/2025

💥These bags didn’t stand a chance during tonight’s kickboxing class with Karen!

✨Join us every Thursday at 5:30 and unleash your strength with every KICK‼️

🌞 Rise & Shine, Bay City! 💪Join the 5:15 AM crew at Seung-ni Fit Club — Monday through Friday!High energy, good vibes, a...
10/21/2025

🌞 Rise & Shine, Bay City! 💪

Join the 5:15 AM crew at Seung-ni Fit Club — Monday through Friday!

High energy, good vibes, and serious results. ☀️

Be there, crush your goals, and start your day strong! 💥

Book your spot for SPOOKY STEP next Wednesday (10/29) at 5:30pm! Costumes are not required, but strongly encouraged!!!
10/19/2025

Book your spot for SPOOKY STEP next Wednesday (10/29) at 5:30pm! Costumes are not required, but strongly encouraged!!!

10/18/2025

✨Way to push it this morning Fit-Fam and finish the first week of the body challenge!!
💥Keep putting in that work‼️💪🏼

Address

4420 Wilder Road
Bay City, MI
48706

Opening Hours

Monday 5:15am - 7:40pm
Tuesday 5:15am - 7:40pm
Wednesday 5:15am - 7:40pm
Thursday 5:15am - 7:40pm
Friday 5:15am - 6pm
Saturday 8am - 10:15am
Sunday 9:15am - 10:15am

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Mission Statement

To empower people’s lives by transforming their body into one they absolutely love on the inside and out!