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! 

Events for April 21, 2026

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Start Strong Week: FREE Workouts at Burn Boot Camp

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Burn Boot Camp, Kirkwood 10431 Manchester Rd, Kirkwood +4 more

We're giving you a week to Start Strong. Absolutely free. No commitment, just elite training designed to challenge, support, and strengthen you. Join us April 20th - 25th to discover...

Free

Sunrise Mom Walk @ Legacy Park

Legacy Park 5490 5th St, Cottleville

🌅Sunrise Moms Walk 📍 Legacy Park – Cottleville 🗓 April 21 • ⏰ 5:45 AM Start your day with a peaceful walk, fresh air, coffee, and quiet time with other...

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Strive 2 Fitness Walk in the Park

Forest Park at the East Visitor Parking lot 5595 Grand Dr, St. Louis

Get ready to boost your energy and enjoy some fresh air with a fun fitness walk that gets you moving!

FREE Yoga for Adults @ Thornhill Branch

St Louis County Library, Thornhill Branch 12863 Willowyck Dr., St. Louis

Practice yoga poses for all ages and skill levels. Chair yoga modifications available. Bring a yoga mat. Adults.

Free

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Strive 2 Fitness Jump into Fitness

Tiemeyer Park 3311 Ashby Road, Saint Ann

You can find us at St. Ann REC CENTER. Ring the bell to enter the building. Park in the front of the building.