Currency: US Dollar

Speed Dynamics

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About Us


Loren Seagrave has helped shape the speed development and performance training industry.  In his almost 40 years of coaching and coach education Seagrave has been regarded as one of the most innovative, formulating methodology for teaching athletes how to be faster, increase athleticism and perform better.


Seagrave has coached over fifty Olympic and World Championship medalist in the sprints, hurdles and jumping events.  He has worked with NFL hopefuls as well as NFL super stars and NFL teams all the way to the Super Bowl.  His application of the science of training has also been applied with Major League Baseball Players, NBA and NHL Stars and some of the most recognized international soccer players.


Seagrave was one of the founding fathers of the USATF Coaches Education programs and has headed up the development of curriculum for the International Association of Athletics Federation’s World Coaching Education program in the sprints and hurdles.




Kevin O’Donnell is a performance consultant, author and producer of the Speed Dynamics instructional series. 


O’Donnell has served as Lead Instructor and curriculum contributor for USA Track & Field and the International Amateur Athletic Federation as well as other governing bodies of sport.  He has consulted with championship teams in the NFL, NBA and Major League Baseball.  He has also served as speed coach for the Cleveland Browns.  O'Donnell has been a featured lecturer to audiences around the world.


As a high school coach, O’Donnell produced State champions in 13 different events while winning a record number of championship titles.