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 September 13, 2025

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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...

Captura de pantalla 2025-09-09 105247

FREE Functional Workouts at TruNorth’s Grand Opening Celebration

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TRUNORTH FITNESS 4 Clarkson Wilson Center, Chesterfield

Join us for the official TruNorth Fitness Grand Opening Party on September 13th! Sign ups on the TruNorth app - 7am, 8am, & 9am workouts are FREE & open to the public. We also have some amazing partners joining us from 11-1. We’re offering membership specials during that time as well. ✨ Local vendors ✨...

Free

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...

$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...

$15