Membership varies
Pricing not confirmed
About this location
Chain Reaction Fitness & Nutrition is an independent gym at 588 San Mateo Ave, San Bruno, CA. It's one of 10 gyms and studios GymGuide lists in San Bruno. Google shows a 5.0-star rating from 13 reviews. Google lists it as open 4 AM–midnight every day. The gym hasn't claimed this listing yet, so its details come from public business data.
Hours
- Monday4:00 AM – 12:00 AM
- Tuesday4:00 AM – 12:00 AM
- Wednesday4:00 AM – 12:00 AM
- Thursday4:00 AM – 12:00 AM
- Friday4:00 AM – 12:00 AM
- Saturday4:00 AM – 12:00 AM
- Sunday4:00 AM – 12:00 AM
Hours from Google · Open in Google Maps. Confirm with the club before a first visit.
Who this gym is for
People who want a friendly, community-focused gym for general fitness — strength work, functional sessions, and steady cardio — and who are comfortable checking the specific equipment and services at the location before joining.
What to expect
Expect a mixed-age, community vibe with a varied but not standardized equipment mix: typically free weights, some machines, and cardio kit, though exact brands/quantities and class offerings differ by location — ask about what you need before signing up.
Less ideal for
Not the best choice if you require guaranteed specialized, high-end equipment, consistent class schedules across branches, or elite competition-level gear.
A training-suitability read from the gym's type and listed features — not a review.
Equipment intelligence
Equipment for this location isn't confirmed yet.
Own or manage this gym? Claim it to list your equipment and get a verified badge.
Your first week here
Build a full plan →A balanced starter split using only the equipment this location has.
Day 1
Full-body strength
- Bodyweight Squat· Squat
- Push-Up· Horizontal Push
- Inverted Row· Horizontal Pull
- Plank· Core
Day 2
Posterior chain + push/pull
- Glute Bridge· Hinge
- Pike Push-Up· Vertical Push
- Pull-Up· Vertical Pull
- Sled Push· Cardio
General guidance, not a prescription — scale sets, reps and load to your level.
Other gyms nearby
More gyms in San Bruno (10) →Frequently asked
What are the hours at Chain Reaction Fitness & Nutrition?
Google lists Chain Reaction Fitness & Nutrition as open 4 AM–midnight every day. By day: Monday: 4:00 AM – 12:00 AM; Tuesday: 4:00 AM – 12:00 AM; Wednesday: 4:00 AM – 12:00 AM; Thursday: 4:00 AM – 12:00 AM; Friday: 4:00 AM – 12:00 AM; Saturday: 4:00 AM – 12:00 AM; Sunday: 4:00 AM – 12:00 AM. Confirm with the club before a first visit — holiday hours can differ.
How much does Chain Reaction Fitness & Nutrition cost?
Membership pricing isn't confirmed for this location yet. Request pricing through GymGuide and the club can respond with current rates.
Where is Chain Reaction Fitness & Nutrition located?
Chain Reaction Fitness & Nutrition is at 588 San Mateo Ave, San Bruno, CA.
Is Chain Reaction Fitness & Nutrition a good fit for my training?
People who want a friendly, community-focused gym for general fitness — strength work, functional sessions, and steady cardio — and who are comfortable checking the specific equipment and services at the location before joining.