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Core Fitness Training

Russian Kettlebell Lifting in the Bay Area

Strength, Endurance, Flexibility, Power!



Gregg Althen
Certified Russian Kettlebell Instructor
Owner of Core Fitness Training
Read Gregg's Bio

To read what our clients say about our training, click here.





What are YOUR fitness goals?

No two people are alike in their strengths, weaknesses, goals, or body types.

Our job is to listen to YOU and to understand what will help YOU the most.

Find out how RUSSIAN KETTLEBELLS can help you achieve your goals and overcome your obstacles.

Learn how YOU can use kettlebells to develop Optimum Health

Next, learn the basic skills - Deadlifts, Swings, Cleans and Presses. Check out Gregg and Kerry's Video/DVD series and click either Images or Iron Maidens to view pictures of kettlebells in action!

  • We offer personalized, one-on-one or small group training for beginners, intermediates, and advanced students in the Bay Area.
  • We teach seminars at local parks and gyms in Marin County and the San Francisco peninsula, and we also regularly visit Denver, CO, and Sacramento, CA. For details on upcoming seminars, click here to review Upcoming Events. Individual training can be scheduled around seminars in these location.
  • Training can be done outdoors or at a location of your choosing.
  • Most clients meet with one of us once per week for 6-12 weeks before becoming independent.
  • Our goals as a personal trainers are:
    • To teach you the fundamental skills that you need to use your kettlebells safely and effectively
    • To teach you a variety of skills that will keep your workouts challenging and exciting
    • To leave you healthier, stronger, self-motivated, and self-sufficient in your workouts


  • Most clients get the greatest benefit from purchasing and using 2 kettlebells of varying weight
  • Once purchased, kettlebells require no maintenance and never need to be replaced (unless you drop them handle-first on concrete, say).
  • You can purchase kettlebells directly from us or by clicking here to order online.
  • You can check out Gregg and Kerry's Video/DVD series and read my reviews of Pavel's various kettlebell products by visiting my Selecting Products page.


  • Kettlebell lifting is dynamic, fun, and easy to integrate into the lifestyle of a working person. The unique design of the kettlebell allows the user to perform scaled-down versions of the same exercises that Olympic weightlifters use to get a total body workout that is both strength-building and aerobic.
  • Read more about the Benefits of Strength Training


Who does Russian Kettlebell Lifting?

Full-time employees enjoy the convenience and versatility of kettlebells...

  • Kettlebells provide a total body workout at home, outdoors, or in the office
  • Kettlebells can be used 2-7 days per week for 10-40 minutes
  • Kettlebell training can easily be integrated into the lifestyle of a working person

Back-pain sufferers rehabilitate themselves with Russian kettlebell lifting...

  • I have worked with numerous clients who suffered from debilitating back pain and injuries
  • By definition, kettlebell exercises require you to maintin the safest, strongest possible body alignment
  • Kettlebell exercises develop strength and flexibility in the low back and hamstrings - the normal problem areas

Professional athletes, law enforcement officers, and U.S. Marines choose kettlebells for explosive power and endurance...

  • High-repetition kettlebell lifting develops an unstoppable combination of strength and endurance
  • Pavel himself devotes most of his time to training United States Military and Law Enforcement personnel
  • Injury rates drop for athletic teams and law enforcement units that adopt Russian kettlebell lifting
  • Individualized designs allow athletes to get bigger or smaller while getting stronger

Kettlebells are ideal for both men and women who are interested in...

  • Improving Health
  • Gaining Strength & Flexibility
  • Increasing Endurance
  • Losing Weight

Click to read about Workout Design




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