Since the distance between the bases is 90 feet or 30 yards, work on speed two times a week to increase speed between bases. If he is in-season, do the speed workouts after practice. Continue to work on speed two times a week after the season is over to prepare for the upcoming season.
In this Speed Forum there is a topic on "How to Improve Running Speed for the 40 Yards". Follow this program. I use this same program when personal training football and baseball players.
We are developing a newsletter with articles on speed development in every issue. This newsletter will be announced on the web site this month.
Coach Payan
www.CoachesEducation.com