UltraFlex Fitness

About

UltraFlex Fitness is a full-service gym located in Monrovia offering extended weekday hours from 5:00 AM to 11:00 PM, accommodating early morning and evening workout schedules. The facility provides comprehensive fitness equipment and amenities designed to support members across all fitness levels and training goals.

Hours

• Monday: 5:00 AM–11:00 PM
• Tuesday: 5:00 AM–11:00 PM
• Wednesday: 5:00 AM–11:00 PM
• Thursday: 5:00 AM–11:00 PM
• Friday: 5:00 AM–11:00 PM
• Saturday: 6:00 AM–10:00 PM
• Sunday: 6:00 AM–10:00 PM

Reviews

I have been going to this gym since 2019 back when it was called foothill gym off of Myrtle. Everyone who works there really is my gym family. They have been with me through thick and thin. Especially when my health got bad and I was recovering, Ultraflex got me back on my feet and help me gain my confidence back. I love how much they are always on top of repairing equipment and there are so many… — Ashley Beloud

I have had the wonderful pleasure of being a member with UltraFlex gym for about 2 years now and it is my favorite gym in LA county! They have some of the best equipment, clean workspace, motivating energy, and everyone makes you feel so welcomed. Brian, Zack, and Kevin always go the extra mile to make this place awesome for their members! I would recommend this gym to anyone, anyday! Thank you g… — Leena Landeros

I’ve been coming to ultra flex since it was foothill gym. It’s has top of the line equipment, always clean and can get my work outs complete with a variety of gear. I especially like the area where I can stretch out and warm up. The staff is incredible, always friendly, knowledgeable and can guide you if you’re not familiar with equipment. It’s nice to have the showers if I need to go to work rig… — Irene Montero

Awesome gym community. Love this place. Shout to Kevin always so welcoming! Thank you for the hospitality. Protein bar is a plus! — Jessica Vargas

Hands down the BEST GYM I’ve ever joined ! From the equipment to staff the best place to workout in SOCAL ! Started my fitness journey and once I found Ultraflex gym I have surpassed my fitness expectations ! — Art Fregoso