participation/participating

English as a Second Language English Vocabulary, Grammar and Idioms
1

Are these sentences correct:

[color=red]1-I am sending in my short story for participation in the school competition.
[color=blue] 2-I am sending in my short story for participating in the school competition.

If the sentences are fine, am I participating in the competition or “the short story”?

Gratefully
Navi

2

I would say (1).

You are participating in the competition.