Small Gym Software: Daily Blog, Results and Workout Database, Scheduler,
Simple Website Management, No setup Costs, Membership Status Maintenance.

This RxGym website requires javascript to work properly.
Please enable javascript in your browser.

G-Theory CrossFit
345 Sacramento Street Unit-G
Auburn, CA 95603
530-217-3154

Sep, 2025

Sun	Mon	Tue	Wed	Thu	Fri	Sat
Aug 31	1 250901	2 250902 Danielle B	3 250903	4 250904	5 250905	6 250906
7	8 250908	9 250909	10 250910	11 250911	12 250912	13 250913
14	15 250915 Gina	16 250916	17 250917	18 250918 Chaundra	19 250919 Angela A	20 250920
21	22 250922	23 250923	24 250924 Julian H	25 250925	26 Running Grac...	27 250927
28 Dana H	29 FRAN WITH SC... Bronx	30 250930	Oct 1 251001	Oct 2 251002	Oct 3 251003 Dave G	Oct 4 251004

530-217-3154
G-Theory CrossFit
345 Sacramento Street Unit-G
Auburn, CA 95603 (view larger map)

4.9

Angela Acquistapace

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.

Loren Schneider

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

Lorie Pinion

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

GregAcq

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

Matthew Smith

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�