Is this a different event to this one http://www.gtaforums.com/index.php?showtopic=523450
Because if you wanted to just edit the title of the event, you could always ask a ledby to do it for you.
(can't help but think of the baby from family guy when saying that name).. Stu. As a person with a little more experience of holding events here, I'd suggest a few things.
One: Don't over do the amount of topics, people will think you are spamming.
Two: Remain upbeat and add a few people, and invite your friends not on the forum to register and sign up to your events.
Three: If there are already Race Leagues, One Night only Race Events, don't go copying and doing the same thing! Think of something different or unique that might set your event apart.
Anyways good luck, I can't join any events at present, but hopefully you'll learn the in's and outs of it, and become part of the small community here, which in someways is keeping GTA IV active and fun !