Jason Marshall, StrongFirst Certified Master Instructor
22 Rue Ampère
Friday, 7:30am – 6:00pm
Saturday, 8:00am – 6:00pm
Sunday, 8:00am – 5:00pm
This certification is licensed by Zanshin Athletics. Registration questions: please email firstname.lastname@example.org.
SFL is a highly-demanding certification, mentally and physically. 25-30% failure rate is typical. Because our SFL Instructors meet the highest standard in the industry, you should expect to be challenged and tested. Do not take your preparation lightly. Click to see SFL certification requirement details.