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! 

Cardio

Events for September 13, 2025

Events Search and Views Navigation

Event Views Navigation

Today

Filters

Changing any of the form inputs will cause the list of events to refresh with the filtered results.

Captura de pantalla 2025-09-09 111835

F45 Fenton Open House + Free Workouts

F45 Training Fenton 70 Gravois Rd, Fenton Plaza, Fenton

Join us for our Open House at Fenton F45 Training ???? Saturday, September 13th 6:45am-10am Free workouts 7am & 8:15am + meet the coaches, tour the studio, + free supplements...

Family Fitness Glow Party Pop-Up!

Ultimate Fitness Plus 425 S Lincoln Dr, Troy

Join us for the Family Glowdown! ✨???? A neon-fueled workout party where parents and kids shine, sweat, and have fun together! -Saturday, September 13, 2025 -10am -11am -Preregister by September 11, 2025 to secure your spot -$5 CASH ONLY! Registration can be dropped off Ultimate Fitness Plus front desk. 425 S Lincoln Dr, Troy, MO...

$5

Barre-Pilates Fusion on the Rooftop

The View at Forest Park 4400 Lindell Blvd #21A, St. Louis

Join us on the Rooftop at The View at Forest Park for a fun, full-body workout that combines the strength and core focus of Pilates with the sculpting, ballet-inspired movements of barre! This mat-based class is designed to tone, lengthen, and energize your body. No dance or barre experience needed, all levels welcome. Spots are...

$15