Jun, 2026
Sun
Mon
Tue
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May 31
Brody S
JASON V		1
260601		2
260602		3
260603		4
260604
Berlin		5
260605		6
260606
78
Monday RUN-d...		9
260609		10
260610		11
260611		12
260612		13
1415
260615		16
260616
Debby		17
260617		18
260618		19
260619		20
Deck of Card...
2122
260622
KRISTEN		23
26063		24
260624		25
260625		26
260626		27
260627
2829
260629
Carly H
Natalie Ch		30
260630		Jul 1
260701		Jul 2
260702		Jul 3
260703		Jul 4
530-217-3154
G-Theory CrossFit
345 Sacramento Street Unit-G
Auburn, CA 95603 (view larger map)

4.9

36 reviews

GregAcq


a month ago

Casey, Dave and crew are all awesome coaches. Workout programming is next level and the gym community is friendly and supportive. Benchmark set!

Angela Acquistapace


a month ago

Coaching is phenomenal. Class sizes are small enough for individual help but large enough to be fun. Members are welcoming and encouraging. Programing is well planned and challenging for all levels.

Lorie Pinion


3 months ago

When you think of CrossFit you probably don't immediately think of a 40 year old soccer mom, I know I didn't. So when I won a free trial month for G-Theory at a Bingo fundraiser (is that not the most 40 year old thing you've ever heard?!) I thoug

Loren Schneider


8 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

Matthew Smith


10 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 I