Look better. Feel better. Be better.
Se habla español.
Our name describes how we help you reach your fitness goals: Strengthen
For membership information, please call Shirlee's at (909) 985-6400.
Regular Hours of Operation
M-Thurs 5 am – 10 pm
Fri 5 am - 9 pm
Sat - Sun 8 am - 6 pm
1275 West Foothill Blvd. Upland, CA 91786
Contact Webmaster creativezazz.com at: emailcreativezazz.com
- Join ShirleeStrong Members Only FB Group!
- At Home Work Out Schedule
- Guest Post: Financial Tips for Small Businesses
- Guest Post: Practical Tips for Persevering through the Pandemic
- Resources for Working Out at Home
- Gym Closed Until April 7
- New Hours and Canceled Classes Update
- Steps We Are Taking (COVID-19)
- Why It’s a Good Idea to Splurge on a Gym
- February Heart Health Event at Shirlees’s Gym
- Thank You to Our Vendors and Participants
- Muscle Beach Vintage Swimsuit Competition Inspires Fitness Journey
- Buy a Year, Give Three Months
- School’s Out! Summer Gym Specials at Shirlee’s Gym.
- Mother’s Day is Sunday, May 12: Give Her 2 Acres Fitness!
- Vintage Swimsuit Competition at Muscle Beach
- Muscle Pump
- Thank You for Supporting Charity Event
- Cycle Your Way to Fitness
- Shirlee’s Limited Edition Tees $20
Tag Archives: San Antonio Hospital
Watch video from our Zumbathon above. Thank you to all who supported our Gift of Giving Holiday Boutique on Saturday, December 1. Support from the event benefitted: San Antonio Regional Hospital’s Women’s Breast & Imaging Center Red Cross Blood Drive … Continue reading