Speed Endurance

[Wesisag]

I have good speed on the runway but i don't have much in the way of speed endurance. U guys have any ways to improve speed endurance?

[Zizzyfizzle]

-5x150m w/ full rest
-5x4x80m, walk 10m between 80's, full rest between sets
-8 to 10x120m, walk rest of lap

http://www.elitetrack.com/faqs/answer/215