Beginning a track team for 4/5th graders--where do i start?

[abo_24]

I am a 4th grade teacher and our school is starting a track team this year. I am going to be coaching the 4th and 5th graders. It has been some time since I ran track in high school.

Where should I begin? What types of warm ups and practice routines should I begin with/continue with? What types of things should I look for in the try outs?

I would greatly appreciate any help or any books/sites you recommend.

Thank you!!!
April