Independent
4221 4th Ave
Membership varies
Pricing not confirmed
About this location
KR FitLife is an independent gym at 4221 4th Ave, San Diego, CA. It's one of 744 gyms and studios GymGuide lists in San Diego. We don't have confirmed hours for this location — check with the gym before your first visit. The gym hasn't claimed this listing yet, so its details come from public business data.
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 Diego (744) →Prime Fitness Training
Independent · San Diego
0.3 mi
Chris Keith | SD Personal Trainer
Independent · San Diego
0.3 mi
Lindsey Keith Personal Training
Lindsey Keith Personal Training · San Diego
0.3 mi
24 Hour Fitness
24 Hour Fitness · San Diego · Pool
0.4 mi
Strength Nation San Diego
Independent · San Diego
0.4 mi
Frequently asked
What are the hours at KR FitLife?
Hours vary by location and we haven't confirmed them for this one yet — check with KR FitLife before your first visit.
How much does KR FitLife cost?
Membership pricing isn't confirmed for this location yet. Request pricing through GymGuide and the club can respond with current rates.
Where is KR FitLife located?
KR FitLife is at 4221 4th Ave, San Diego, CA.
Is KR FitLife 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.