Breaking news for RunDisney fans! Princess Half-Marathon weekend will now feature a 10K. Completing both the 10K & Princess half-marathon will earn you a Glass Slipper Challenge medal and completing both the Princess half-marathon at Walt Disney World and the Tinkerbell half-marathon at DisneyLand Resort will earn you a special coast-to-coast medal with a pink overlay & lanyard! Registration for the Princess half-marathon begins June 11. Registration for Tinkerbell half-marathon begins June 11 if you are also registering for the Princess half-marathon, otherwise it will start on July 9. Here's the RunDisney blog post on the announcement: http://www.rundisney.com/blog/articles/a-princess-and-a-pixie/ Hear ye, hear ye… We now decree that there will be an Enchanted 10K and Glass Slipper Challenge for Princesses looking to make their running dreams come true. We are pleased to announce that the Disney Princess Half Marathon Weekend at Walt Disney World® Resort will be adding a 10K and a new two-race challenge! The Disney Princess Enchanted 10K will give you a new opportunity to participate in a timed run during the Princess Half Marathon Weekend. And if you're looking for an even bigger challenge, sign up for the 10K on Saturday and the Half Marathon on Sunday (19.3 miles total) to earn the inaugural Disney Glass Slipper Challenge Medal, accompanied by each of the medals from the individual races. New for 2014, the Princess Half Marathon Weekend will expand to February 20-23 and include an additional day for the Expo. Special Edition Coast-to-Coast Race Challenge Also new in 2014 is a special edition Coast-to-Coast Race Challenge Medal for runners participating in the 2014 Tinker Bell Half Marathon at Disneyland® Resort in January and the 2014 Princess Half Marathon five weeks later at Walt Disney World Resort. Finishers receive the coveted medal featuring the likeness of Walt Disney and Mickey Mouse with a pink overlay and lanyard. Registration for the 2014 Princess Half Marathon opens June 11 at runDisney.com. A limited number of runners will have the opportunity to register for both the Princess and Tinker Bell Half Marathon at that time. Those not securing an early registration for the Tinker Bell Half Marathon will have a second chance when on-line registration officially opens on July 9. Be sure to sign up for a reminder email to be notified when registration opens for both events.