National Association of Speed & Explosion NASE, Speed Development

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Deepen Your Knowledge and Gain Greater Insight with NASE Level I & Level II Certification.

Level I: $330 or 3-Month pay $110/mo. for 3 months
Level II: $430 or 3-Month pay $143/mo
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Sports Speed Digest

Join NASE Today! Membership Benefits for only $44.95 include access to over 550 articles, 480 Sports Speed Blogs, 350+ Research Abstracts, Quarterly Sports Speed Digests and 90+ back issues, w/ a searchable topic index.

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Scientific Research-Based Approach to Speed Improvement Since 1988

For Teams, Individual Sports, Coaches, Parents & Athletes

About NASE
Essentials of Next-Generation Sports Speed Training Book

Our 2020 book provides a complete understanding of exactly how speed is improved for sports competition. It includes a thorough presentation in key areas such as Strength Training to Increase Ground Reaction Force, Neuromuscular Training to increase the Rate of Force Production, increase the Speed and Distance of Flight and decrease ground contact time; as well as a thorough prevention of Sprint Mechanics, Speed Endurance, and Multi-directional training.

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Become a NASE Member

Get access to hundreds of speed improvement resources and receive a discount on select symposiums and clinics.

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Be on your way to earning one of the most highly recognized speed & explosion certifications in the industry.

About NASE

Learn about the establishment of NASE, what we do, and how we became the world’s leading authority on speed improvement.

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Certified Personal Trainers

NASE collaborates with a network of certified personal trainers and fitness centers across North America.

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Membership in the NASE is a DIFFERENCE MAKER for your high school program! Every issue of the Sports Speed Bulletin contains information that will make your program better! If you have any questions or concerns about speed training, Dr. Dintiman and the NASE staff is readily available to assist you! I think it is the BEST national certification on the market and the best return on your time and money.

Michael Strock, SPEED & STRENGTH COACH

J. F. Byrnes High School, Duncan, SC
The online speed and explosion certification course is the only speed certification today that I have truly obtained useful information for teaching my athletes how to become faster. As a former Olympian, this certification has helped my staff and I reach higher levels in coaching, this is by far the best certification I have ever taken as a coach!

Roger Kingdom

USA Olympic Gold Medalist, 110 Hurdles
Backed by time-tested science and experienced coaches, NASE provides the most practical and useful information to equip any coach at any level to improve their team’s speed.

Dave Pletti, Strength Coach

Florida State University
The NASE puts you in touch with what your athletes need: playing speed and explosion. Many thanks to Dr. Dintiman for his continued effort to promote our field.

William Hicks, Assistant Athletics Director for Athletic Performance

Syracuse University
The NASE is the best speed training certification in the country. The certifications of our three trainers has greatly improved our sports Enhancement Program designed to help young athletes prepare for college and H. S. athletics.

Bill Praise, YMCA Director

YMCA Beaver County, PA
The NASE is the single best association in the U.S. for coaches, athletes, and other professionals at all levels.

Ken Coggins, Strength and Conditioning Coach

Savannah State University

Get Instant Access to ALL of NASE’s Blogs & Sport Speed Digests

When you become a NASE Member, you will have access to data-packed blogs, Sport Speed Digests, videos and more online. See why trainers, coaches, and athletes across the country rely on NASE for the latest research and trends in sprint speed improvement.

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Recent Speed Insights from Our Blog

Mental Training and Performance in Tennis

September 1, 2026

Background: The ITN (International Tennis Number) test is frequently applied to determine the general game success of tennis players. Mental training is widely used to improve the athletic performance. In this context, this study aimed to investigate the effect of an 8-week mental training program applied to male tennis players on …

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Limited Time Book Sale!

Product on sale

Encyclopedia of Sports Speed – Book (70% OFF!)

Original price was: $28.95.Current price is: $12.00.
Product on sale

Encyclopedia of Sports Speed – eBook (70% OFF!)

Original price was: $28.95.Current price is: $12.00.

NASE Sports Speed Digest Archives

Purchase Archived/On-Demand Sports Speed Digests or become a NASE Member to have access to all back Issues SSDs containing over 1000 pages and hundreds of articles. The NASE Sports Speed Digest is published online quarterly and is the authoritative source on Speed Improvement for football, rugby, soccer, baseball, softball, basketball, field hockey, lacrosse, tennis and other team/individual sports.

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Best in Class Professional Development

Sports Speed Digest

Skyrocket your Coaching Career Today!

Scientific Research-Based Approach to Speed Improvement Since 1988

Essentials of Next-Generation Sports Speed Training Book