There are ten (10) hurdles in the 110mHH
there are 1000 meters in one kilometer so 110/1000=.11
There are 10 evenly spaced hurdles.
The height for high school 110m Hurdles is 39" and college height is 42".
The hurdles in the 110 meter hurdle are 9.1 meters apart with a run up of 13.7m to the first hurdle and 13.7m run out from the last hurdle to the finish.
There are ten (10) hurdles.
How to Train: Hurdle Technique
How to Train: Hurdle Drill Specifics
How to Train: Hurdle Jumps
How to Do Hurdle Hop