Bryan Kastl

Bryan Kastl, Co-owner of Hercules CrossFit, has been an athlete all his life.  He took college courses in athletic training and ended up getting certified as a Personal Trainer from Hayward State University in 1992.  In 1993 he got certified as a massage therapist and then additionally studied under Christopher See D.C. for injury specific massage, Active Release Technique.  In March 200 9 Bryan received his level 1 CrossFit Certification, Olympic Lifting Certification, CF Mobility Certification and his CF Gymnastics Certification. He competed in football, bodybuilding, martial arts, dance, track and power lifting. He currently works as a Personal Trainer, Deep Muscle Therapist and CrossFit Instructor at Hercules CrossFit & Fitness. Contact Bryan at or (925)765-3035



Lesha Kastl
Operator & Co-Owner of Hercules CrossFit
Coach, Personal Trainer & Massage Therapist

CrossFit Level 1

CrossFit Kids

CrossFit Olympic Lifting

CrossFit Gymnastics

ESA Personal Strength Conditioning

ESA Mat Pilates

The Pilates Coach - Pilates Reformer

Resist-A-Band Core Strength Training

ESA Sports Nutrition

Post Rehab Therapy

Kastling Deep Tissue Massage

MMO- Medical Massage and Billing


Competitor in: Dance, Muay Thai, Soccer, Snowboarding, CrossFit, Ms. Fitness

 Contact Lesha:

(925)765-3010 or





Rita Benavidez