How do I improve my sprint speed?

brad s

New member
My first track meet is in one month.I do the 100m and 4x1.
I wanna increase my 100m time by at least .1-1 seconds.

People also say my start acceleration is really slow.
Without block my 100m is 13.3s
With block:12.1s
Anyway to help with that too?
 
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