Discover fitness events & pop-ups happening all across St. Louis using this calendar!  This page will be updated regularly with new listings, so check back weekly or get on the email list for a weekly drop.  Hosting an upcoming event?  Add your listing here! 

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Events for March 21, 2026

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Shred415 + Lululemon: FREE Complimentary Workout

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1701 S Lindbergh Blvd 1701 South Lindbergh Boulevard, St. Louis

Join us Saturday 3/21 from 8-9 AM for a free HIIT workout taught by Shred415 Come to the Plaza Frontenac lululemon to sweat it out with a complimentary workout featuring...

Free

Kick into Spring with FREE Martial Arts for Kids

Lyndell Institute 515 Huber Park Court, Weldon Spring

Come join us at Lyndell Institute to kick into Spring with a FREE Martial Arts class for kids! Kick into Spring with Free Martial Arts for Kids at Lyndell Institute!...

Free