Feb, 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
12
260202
3
260203
4
260204
Hazel
5
260205
6
260206
7
260207
8
James P
9
260209
10
260210
11
260211
12
260212
13
260213
14
1516
260216
17
260217
18
260218
Julia P
19
260219
20
260220
Zach E
21
260221
2223
260223
24
260224
Zach W
25
260225
26
260226
27
260227
28
260228
Mar 1Mar 2
260302
Mar 3
260303
Mar 4
260304
Mar 5
260305
Mar 6
260306
Casey S
Mar 7
260307
530-217-3154
G-Theory CrossFit
345 Sacramento Street Unit-G
Auburn, CA 95603 (view larger map)


4.9

34 reviews

Claudia S


a year ago

I heard about this gym while I was in physical therapy for a shoulder impingement. I quickly learned that it is through exercise and movement that injuries heal - not through non-movement. Ginger and all the excellent coaches provide alternative

Loren Schneider


6 months ago

G-Theory CrossFit is the kind of gym where you can tell people genuinely care. The coaching is thoughtful and approachable, with clear explanations and intentional scaling options so everyone can train hard at their own level. The workouts are ch

Kimberly Dougherty


8 years ago

I am a beginner at crossfit and was a bit scared about how things were going to go for me with it. I LOVE IT! Ginger is a great instructor. She cares about teaching the basics so you learn the proper forms. Everyone that I have met there is suppo

Kris Janssen


2 years ago

Coach Ginger, owner of G-Theory, has literally changed my life. As a 66 year old woman, I entered Cross Fit with some trepidation. It didn't look like other gyms. There were no machines plugged into outlets and all around me were weights, barbel

Matthew Smith


8 months ago

I’ve been part of a handful of gyms over the years, and G Theory CrossFit has been the best! The community is amazing, and whether you’re new or experienced, you instantly feel welcomed. It honestly feels like a family, which is something Iâ€