To dream of winning a competition reflects your victorious feelings of success, -love and accomplishment.
See Also: Sports, Competition, Wish Fulfillment Dreams.
[1]To dream that you win a victory, foretells that you will successfully resist the attacks of enemies and you will be successful in love.
[2]1. One pictures oneself as a winner.
2. Need a “win” in upcoming waking situation.
[3]Literal victory
[4]