
SPEED TRAINING, STRENGTH & CONDITIONING
AND THE SPORTS TRAINING BUSINESS
For more than 30 years, Jim Kielbaso has been educating athletes, coaches, trainers, and sports performance professionals through books, certifications, courses, and practical training resources used around the world.
Explore Jim’s published books on speed training, agility development, movement mechanics, and sports performance coaching.

Ultimate Speed & Agility simplifies speed and agility training with over 100 drills, photos, and diagrams. Designed for athletes, coaches, trainers, and parents, it provides practical methods to improve movement, performance, and athletic development.

Ultimate Speed & Agility is a practical guide to developing athleticism through speed, agility, and movement training. Learn sprint mechanics, strength development, program design, flexibility, and conditioning through easy-to-understand concepts, illustrations, and over 100 photos.

Principles of Athletic Strength & Conditioning brings together 17 leading strength coaches to provide practical strategies for athlete development. Topics include program design, speed training, injury prevention, conditioning, plyometrics, motivation, and more, with sample programs and real-world applications.
Jim has helped develop educational resources and certifications through the International Youth Coaching Association to help coaches better train and develop young athletes.

Certified Athletic Development Specialist (CADS) is the IYCA’s most comprehensive certification for coaches working with athletes ages 6–18. Learn long-term athlete development, speed and agility, strength training, program design, and proven systems for developing complete athletes.

Certified Speed & Agility Specialist (CSAS) is a comprehensive certification that teaches coaches how to develop speed, agility, acceleration, and movement efficiency. Learn proven assessment, programming, and coaching systems used to help athletes improve performance at every level.

Speed Testing Mastery teaches coaches and athletes how to improve 40- and 60-yard dash performance through proven speed mechanics, video analysis, and an 8-week training program. Learn acceleration, top-end speed, testing strategies, and how to maximize results when it matters most.
Train with proven, science-based programs from Jim Kielbaso and the Impact Sports Performance team, designed to improve strength, athletic performance, and overall fitness wherever you train.

Prepare to dominate your combine with Jim Kielbaso’s proven system, built from decades of experience helping hundreds of college football players improve their testing performance and reach the next level. The 4-day-per-week program covers combine testing, speed and agility technique, strength and power training, and detailed video instruction to help you perform your best when it matters.

Get ready to LEVEL UP your athletic performance our comprehensive 8-week program! This dynamic training regimen is designed to enhance your acceleration, agility, boost your power output, and improve your conditioning level. With three sessions per week, you'll dive into focused drills that will elevate your performance on the field or court. Join us today and unleash your FULL athletic potential!

If you're looking to take your court game to the next level, you're at the right place! This 12-week off season program is professionally designed to help you build the proper strength and power needed to dominate the court next season. With a combination of targeted exercises, expert guidance, and high-quality mobility routines, you are sure to see improvements in your vertical jump, strength and explosiveness, and overall athleticism.
Continue learning from Jim through podcast interviews, speaking clips, articles, and ongoing educational content from the IYCA.
Watch and listen to Jim’s podcast interviews, speaking clips, and media features on speed training, strength and conditioning, and athlete development.
Watch and listen to Jim’s podcast interviews, speaking clips, and media features on speed training, strength and conditioning, and athlete development.