Hello everyone, currently Im 14 years old and Im trining before high school right now. Last time I tested myself at 40 was 5 seconds do you think that I could get it down to 4.5-4.3 by my senior year in high school if I use the track team and these 2 products that I just got?
http://www.speedtrainers.com/mainframe.htm
http://www.dickssportinggoods.com/product/index.jsp?productId=1210227
http://www.speedtrainers.com/mainframe.htm
http://www.dickssportinggoods.com/product/index.jsp?productId=1210227