4 Great Locations! Sioux Falls SD, Beresford SD, Sioux City IA, and Sergeant Bluff IA

Contact us at 712-252-2115 for Sioux City and Sergeant Bluff locations

Contact us at 605-361-4399 for Sioux Falls and Beresford locations

Ultimate Fitness is a locally-owned 24-hour fitness center located in Sioux Falls SD(women’s only), Sioux City IA, Sergeant Bluff IA and Beresford SD.

We are not a franchise and we pride ourselves in giving members a clean, motivating and non-intimidating atmosphere. If you have never joined a gym and you would like to start, we make it incredibly easy and fast.

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Fast Fit Lean Boot Camp

Our personal trainers will take your through intense 30-minute workouts to get you in shape fast! Classes will be held Monday-Thursday at 5:45am each week. Monthly weigh-ins, nutrition advice and great workouts for just $59/month!  Registration open!  

Get motivated now!

Register online today!


Sioux City XT45 Classes

are held Monday-Thursday at 5:30am, Noon and 5:45pm.

Call to register today! 712-252-2115

Class cost: $59/month for unlimited classes

Classes are available for members and non-members

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All memberships include 24-hour access to fitness and tanning!

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