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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  • WG Warriors Spin for the Cause

    CycleBar O'Fallon 2285 Highway K, O'Fallon, MO, United States

    Spin with WG Warriors! What: WG Warriors are clipping in at CycleBar to Spin for the Cause. Kim's childhood friend, Lindsay Douglas (a spin instructor at CycleBar), will lead us in a fun...

    $25

  • FREE Fall Back into Fitness

    Move by BJC 4220 Duncan Ave, St. Louis, MO, United States

    WE'RE BACK! Come join us for a day of Fitness Fun with a variety of classes. Welcome to the Fall Back into Fitness Event at Move by BJC! Join us...

    Free

  • Kangoo Jump w/ Dorothy

    Featured Kangoo Jump w/ Dorothy
    Xplicit Fit 11977 St. Charles Rock Road, Bridgeton, MO, United States

    Kangoo Jump is a high endurance class, that's packed with burning calories and having fun. It's a 3part class: Kangoo Jump routine, Jump rope, and leg exercise on the floor...

    $15

  • POMSQUAD Fitness Glow Party!

    Featured
    Charmette Academy of Dance & Aerobatics 9901 Watson Rd, Saint Louis, MO, United States

    Join us for a POMSQUAD fitness glow party! POMSQUAD is a super fun, immensely positive, high energy dance fitness class! You'll be shaking your poms while prancing, dancing, bending, and...

    $10

  • Strength Training at Breakout Fitness

    Breakout Fitness Training Studio 3283 Ivanhoe Ave, St. Louis, MO, United States

    Who doesn’t love a gym session with their girls?! ???? Join us Saturday, August 23rd at 10:30am for a strength class that’s all about building confidence, connection + muscle at @breakoutfitnessts ????...

    $15

  • Barre + Bubbly

    The Tease MVMT 735 S River Rd suite 150, St. Charles, MO, United States

    DRINKS AVAILABLE For +21 Only. Get ready for the perfect blend of burn and bliss! This is not your average workout—it's an experience. We'll kick things off with a dynamic...

    $32

  • Pedal For A Cause: World Without Cancer

    CycleBar O'Fallon 2285 Highway K, O'Fallon, MO, United States

    Join us this Thursday (8/28) at 6:15PM for a special 30-minute donation ride at Cyclebar O’Fallon in support of @pedalthecause ???? Pedal The Cause is more than a ride - it’s a...

    $25

  • Rooftop Twerking & Workout Class

    Rooftop Twerking & Workout Class
    NSYTE by AERIEL 918 La Beaume Ave, St. Louis, MO, United States

    ✨ Join me for the kickoff for Nsyte's Wellness Wednesday Rooftop Series ✨ We’re turning up the vibes with Twerkercise on the Rooftop! ???????? Expect a night full of energy,...

    $10

  • FREE Fit4Mom Workout + Birthday Bash at Frankie Martins Garden

    Frankie Martin's Garden 5372 Saint Charles Street, Cottleville, MO, United States

    FIT4MOM St. Charles is Turning ONE! Come celebrate a year of strength, motherhood, and community at our 1-year Birthday Bash! Date: Sunday, September 7th Location: Frankie Martin's Garden Time: 9-12. 9-9:15: Goodie bags and raffles distributed. 9:15-10: Free class to check out all of our different offerings. 10-12 Free play date and hangout. Food trucks...

    Free

  • F45 Fenton Open House + Free Workouts

    F45 Training Fenton 70 Gravois Rd, Fenton Plaza, Fenton, MO, United States

    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...

  • FREE Functional Workouts at TruNorth’s Grand Opening Celebration

    Featured
    TRUNORTH FITNESS 4 Clarkson Wilson Center, Chesterfield, MO, United States

    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...

    Free

  • Family Fitness Glow Party Pop-Up!

    Ultimate Fitness Plus 425 S Lincoln Dr, Troy, MO, United States

    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

  • Breakout Fitness STL: Outdoor Fall Fitness Challenge

    Breakout Fitness Training Studio 3283 Ivanhoe Ave, St. Louis, MO, United States

    ???? The Fall Fitness Challenge is coming — and you’re invited. ???? Saturday, Sept 20 | 8 AM ???? Breakout Fitness – Lindenwood Park What to expect: • ???? scored...

    $10

  • Pedal for the Cause: Kids Challenge

    The Family Arena, St. Charles 2002 Arena Pkwy, St. Charles, MO, United States

    Kids ages 3-13 can help create a world without cancer too! Kids choose from a variety of shift times to ride as many loops as possible on our safe, closed course. Register now and enjoy the ride plus food, entertainment and family-friendly activities all morning at the Family Arena. The $35 registration fee gets riders a Kids Challenge t-shirt...

    $35

  • Fit Family 5k with Black Kids Do Yoga

    Bella Fontaine Park 9565 Bellefontaine Rd, St. Louis, MO, United States

    The Fit Family 5k is a family-friendly event designed to promote health, wellness, and community involvement. This fitness-focused walk welcomes participants of all ages and skill levels, offering a supportive...

    $20

  • Stretch U St. Peters 15th Anniversary

    Stretch U St Peters 6143 Mid Rivers Mall Drive, St. Peters, MO, United States

    Celebrate 15 years of Stretch U with free stretches, food, drinks, raffles, special discounts & more! Don’t miss the fun! You're invited to help us celebrate Stretch U's 15th Anniversary...

    Free