long jump vs jumping

long jump and jumping both are nouns.

Word	Noun	Adjective	Verb	Adverb
long jump	Yes	No	No	No
jumping	Yes	No	No	No

As nouns, jumping is a hypernym of long jump; that is, jumping is a word with a broader meaning than long jump:

long jump: the act of jumping as far as possible from a running start
jumping: the act of participating in an athletic competition in which you must jump

long jump (noun)	jumping (noun)
the act of jumping as far as possible from a running start	the act of participating in an athletic competition in which you must jump
a competition that involves jumping as far as possible from a running start	the act of jumping; propelling yourself off the ground