Hey guys i need some help with a question. Lately i have been sprinting hills to improve sprint speed (not steep hills, just hills that have a slight incline between 10-20 degrees). I have always sprinted hills from a flying start off of a flat surface b/c thats how i was told to run them in the past. I would start out about 20 yards from the hill with a jog and would accelerate right before i hit the hill and would then run at max speed for a few seconds up a slight hill. My question is: When i sprint hills should i start from a flying start and accellerate from a jog off of a flat surface or should i start from a still position at the base of the hill? Also…are steeper hills more appropriate for acceleration training and non-steep hills more appropriate for top-end speed training? Please clear this up for me as i am a new to speed training. Thanks for any help.
Base of hill.
A single inclination -not steep, as you say- for acceleration work.
Hope it helps!
Thanks for the info Nikoluski…from now on i will sprint hills starting at the base of the hill from a still start. However…i dont understand what you are saying are the best hills for accelleration work…for acceleration work are steeper hills or slightly inclined hills better?..again thanks for the help. 
Too much of an inclination will ruin your mechanics; also, I would use hill workouts for targeting acceleration work only.
Hope this is clear now!
Gotcha…so only use slightly inclined hills for speedwork…thanks for the info