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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  • FirefightHER Workout for a Cause

    Featured
    Brentwood Fire House 8756 Eulalie Ave, Brentwood, MO, United States

    Grab a friend and experience one of the most unique workouts of the year—our signature FirefightHER Workout, now in its 7th year! What to Expect A powerful 50-minute, station-based workout using real firefighter equipment Movements tailored to all fitness levels—you set the intensity An empowering community of women coming together for strength, fun, and photos A portion of...

    $30

  • POMSQUAD Fitness + Pour at Hidden Gem

    Featured
    Hidden Gem 3118 Locust Street, St. Louis, MO, United States

    Shimmy & shake your poms in POMSQUAD Fitness, followed by a sip & social at Hidden Gem-STL’s disco dive bar! Get ready to shimmy & shake your poms to today's...

    $32

  • Vuori Plaza Frontenac x OTF Collab

    Vuori 1701 Plaza Frontenac, S Lindbergh Blvd, #suite 78, St. Louis, MO, United States

    Join Vuori Plaza Frontenac for an ACTV Studio IRL on October 25th. Join Vuori Plaza Frontenac for an workout in the lobby of the mall on Saturday, October 25th! Led...

    Free

  • Halloween Hustle Old Skool FitFest

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

    Get ready to sweat old school style at the Halloween Hustle FitFest – bring your A-game Welcome to the Halloween Hustle Old Skool FitFest! Join us at Move by BJC on October 25, 2025 at 8:00 AM for a spooktacular fitness event! Get ready to break a sweat while grooving to old school tunes. This...

    Free

  • Cardio & Sculpting Class: For Breast Cancer

    Jazzercise, Shrewsbury 5200 Shrewsbury Ave, St. Louis, MO, United States

    🎀Its time to PINK OUT!🎀 JAZZERCISE ST LOUIS SHREWSBURY October 25, 8:30 - 9:45am 💪 What’s Happening: An extended Cardio & Sculpting Class featuring your Jazzercise Shrewsbury instructor team – fun, energizing, and empowering! Bring your handweights. 🎉 After the Workout: Stick around for refreshments and a drawing for prizes. 🎀 The Cause: Every person...

    $5

  • FREE Community Workout at Westport Plaza

    Westport Plaza 111 West Port Plaza Drive, St. Louis, MO, United States

    Come join us for a morning of group exercise, community, & FUN at WESTPORT PLAZA, in Maryland Heights! Our YMCA team of ROCKSTAR instructors will be leading you through TWO...

    Free

  • F45 Training x 1st Phorm Halloween Collab

    F45 Training x 1st Phorm Halloween Collab
    F45, Rock Hill 9548 Manchester Road, Rock Hill, MO, United States

    Celebrate Halloween with an electrifying F45 workout powered by Phorm Energy! Join us for a high-energy, spooky-themed session designed to boost your fitness and fuel your fun. When: Saturday October 25th 8:00am and 9:15 classes Where: F45 Rock Hill Powered by: Phorm Energy – keeping you energized throughout the workout! Dress Code: Halloween costumes encouraged...

    $35

  • TruNorth Fitness Fundraising Workout: Support Women w/ Breast Cancer

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

    🎗️ Fundraising Workout — Sunday, October 26th at 9:00 AM at TruNorth Fitness | Chesterfield, MO This October, we’re proud to partner with Rebuild a B**** (RAB)— a nonprofit founded by cancer survivors to help women reclaim their strength, resilience, and confidence beyond treatment. 💪💗 Every rep, every drop of sweat, every dollar raised goes...

    $35

  • Family Strides at Chicken N Pickle

    Featured
    Chicken N Pickle 1500 S Main St, St Charles, MO, United States

    The whole family can join for this free Stroller Strides class. Bring a stroller or baby carrier for the stroller-age kids and water bottles for a fun and energizing full-body workout. The workout will consist of strength, cardio, and core exercises, all while keeping the kiddos entertained with songs, movement, and interactive play. All fitness...

    Free

  • FREE Sweat n’ Sculpt with The Tox

    Featured
    The Tox 17676 Chesterfield Airport Rd, Chesterfield, MO, United States

    Join us for a powerhouse day of movement, beauty, education and wellness: start the event with a workout followed by a lecture on gut health. Kate Buer | Living Well...

    Free

  • Outdoor Shred415 Pop-Up at Big River Running + Shopping

    Big River Running Company 13969 Manchester Road, Manchester, MO, United States

    Join us for a Total Body Shred workout at Big River Running – University City (606 North & South Rd, 63117)! 💪 Try on the latest running shoes and sweat...

    Free

  • FREE Workout Week

    Featured FREE Workout Week – ALL Locations
    Crunch Fitness, Florissant 8182 N Lindbergh Blvd, Florissant, MO, United States +2 more

    Experience Crunch like never before...all classes, all zones, all access, FREE! ⁣ ⁣ 🔥 HIIT, RIDE, HOT, Strength, and Group Fit your week, your way.⁣ ✨ No judgments. Just fun,...

    Free

  • FREE Workout Week

    Featured FREE Workout Week – ALL Locations
    Crunch Fitness, Florissant 8182 N Lindbergh Blvd, Florissant, MO, United States +2 more

    Experience Crunch like never before...all classes, all zones, all access, FREE! ⁣ ⁣ 🔥 HIIT, RIDE, HOT, Strength, and Group Fit your week, your way.⁣ ✨ No judgments. Just fun,...

    Free

  • FREE Workout Week

    Featured FREE Workout Week – ALL Locations
    Crunch Fitness, Florissant 8182 N Lindbergh Blvd, Florissant, MO, United States +2 more

    Experience Crunch like never before...all classes, all zones, all access, FREE! ⁣ ⁣ 🔥 HIIT, RIDE, HOT, Strength, and Group Fit your week, your way.⁣ ✨ No judgments. Just fun,...

    Free

  • FREE Workout Week

    Featured FREE Workout Week – ALL Locations
    Crunch Fitness, Florissant 8182 N Lindbergh Blvd, Florissant, MO, United States +2 more

    Experience Crunch like never before...all classes, all zones, all access, FREE! ⁣ ⁣ 🔥 HIIT, RIDE, HOT, Strength, and Group Fit your week, your way.⁣ ✨ No judgments. Just fun,...

    Free

  • FREE Workout Week

    Featured FREE Workout Week – ALL Locations
    Crunch Fitness, Florissant 8182 N Lindbergh Blvd, Florissant, MO, United States +2 more

    Experience Crunch like never before...all classes, all zones, all access, FREE! ⁣ ⁣ 🔥 HIIT, RIDE, HOT, Strength, and Group Fit your week, your way.⁣ ✨ No judgments. Just fun,...

    Free

  • FREE Workout Week

    Featured FREE Workout Week – ALL Locations
    Crunch Fitness, Florissant 8182 N Lindbergh Blvd, Florissant, MO, United States +2 more

    Experience Crunch like never before...all classes, all zones, all access, FREE! ⁣ ⁣ 🔥 HIIT, RIDE, HOT, Strength, and Group Fit your week, your way.⁣ ✨ No judgments. Just fun,...

    Free

  • Hula Hoop Fitness Class

    Hula Hoop Fitness Class
    Rockwood Valley Middle School 1220 Babler Park Dr, MO, United States

    Unleash Your Inner Dancer: Hula Hoop Fitness Fun! Have a blast while getting fit in this fun hula hoop fitness class, perfect for all levels, whether you're a complete beginner...

    $75

  • Girls Night Out @ Gracie Barra West County (Ages 7-12)

    Gracie Barra West County 15425 Manchester Road, #Suite 7, Ballwin, MO, United States

    GB WEST COUNTY GIRLS NIGHT OUT For: Girls aged 7-12 years old Bring a Friend: Friends pay $25 per person Limit: 2 friends per student Activities: 🍫 Chocolate Strawberry Making Station...

    $25