Hi Debbie!
Thank you for bringing your question to the Disney Parks Moms Panel!
Wine and Dine Half Marathon is my favorite runDisney event. It's also a great "adults-only" weekend, so you've made an excellent choice.
Wine and Dine weekend events will go on sale March 15, 2016 at noon Eastern Standard Time. Right now, event details and prices are being finalized. As a guideline, last year the registration cost for the half marathon started at $185. Prices increase over time, but you definitely don't want wait to sign up! The half marathon sold out in less than an hour in 2015. Be sure to be ready to register as soon as it opens by having your Active.com account already set up.
The Finish Line Party is included in the price of the half marathon bib. Non-runners can purchase tickets to the party. Those will probably range from $85-$100.
You will be able to find updated pricing information on the
runDisney Wine and Dine Half Marathon website (under the REGISTRATION tab) as soon as it's available.
I hope this helps! Please let me know if you have any other questions.