runDisney races sell out. That is not speculation or a general warning about popular events. It is the consistent reality for anyone who has tried to register for a Disney Princess Half Marathon Weekend in recent years. The moment registration opens, thousands of runners who have been planning for months flood the system simultaneously, and spots disappear faster than most people expect. Which is exactly why a registration delay hits the runDisney community as hard as it does.

If you cleared your schedule today to register for the 2027 Disney Princess Half Marathon Weekend, you are going to have to wait a little longer. runDisney confirmed this morning that registration would not be opening as planned, and as of the latest update, it will not be happening today at all.
The delay has not been explained. No technical reason, no external factor, no timeline beyond a promise to share an update on runDisney social accounts by 8:00 PM ET tonight. For runners who have been counting down to this registration window, that is a frustrating place to be.
Here is everything that has been confirmed so far, plus the full event details for the 2027 weekend so you know exactly what you are signing up for when registration does open.
How the Delay Unfolded

runDisney posted three separate statements throughout the day as the situation developed.
The first, posted this morning, confirmed registration would be delayed and promised an update by 10:30 AM ET. When 10:30 came and went without news, a second update followed, apologizing for the continued hold and pushing the next communication to 11:00 AM ET.
The third update, which arrived around 11:15 AM, confirmed the day was done entirely. “We know many of you are eager to register for the Disney Princess Half Marathon Weekend, and we apologize for the delay,” runDisney stated. “Unfortunately, registration will not take place today. We’ll share an update on runDisney social accounts by 8:00 PM ET this evening. We appreciate your patience.”
No reason for any of it has been given. runDisney has not indicated whether this is a technical issue, a scheduling change, or something else entirely. The 8:00 PM update tonight may clarify that, or it may simply confirm a new registration date without additional explanation.
Either way, if you are planning to register, watch runDisney’s social accounts tonight. That is where the next update will land first.
What the 2027 Disney Princess Half Marathon Weekend Includes

The 2027 Disney Princess Half Marathon Weekend runs February 25 through March 1, 2027, at Walt Disney World Resort. The event is presented by AdventHealth and includes five races across the weekend.
The Disney Princess 5K runs on February 26 and is themed around Tiana. Registration is $125. The Disney Princess 10K follows on February 27, themed around Snow White, at $175. The Disney Princess Half Marathon takes place on February 28, themed around Jasmine, at $269.
The Disney Princess Fairy Tale Challenge combines the 10K and the Half Marathon across two consecutive days, February 27 and 28, covering 19.3 miles total. It is themed around Ariel and priced at $449. Completing both races earns a Fairy Tale Challenge medal in addition to the individual race medals, which is a significant draw for runners who want the full experience.
Five events. Five different entry points into the weekend depending on your goals, your fitness level, and how much of the experience you want to build around. The Fairy Tale Challenge is the most popular option for committed runDisney fans, and it is typically among the first to sell out when registration opens.
How a Registration Delay Affects Disney Vacation Planning

runDisney races are not standalone events for most participants. They are anchors. Runners book their flights, reserve their Walt Disney World resort rooms, and plan their park days around a specific race date. For the Disney Princess Half Marathon specifically, which draws tens of thousands of participants plus their travel companions, the surrounding vacation often takes shape the moment someone secures their race entry.
A registration delay throws a wrench into that process in ways that are not always obvious. Runners holding off on booking resort accommodations until they confirm race entry may find that desirable rooms at Walt Disney World fill up while they are waiting. Travel companion planning, particularly for groups coordinating flights and hotel rooms together, gets harder to finalize without a confirmed start. And for international runners or guests traveling significant distances, the booking window for affordable flights is sensitive enough that even a day’s delay can affect the options available.
None of this means the situation is dire. One day is one day. But runDisney registration delays are worth taking seriously because the downstream planning they affect is real and time-sensitive.
If you are holding off on resort bookings until you confirm race entry, the Walt Disney World resort reservation system is worth keeping open in a separate tab tonight. The moment registration opens and you secure your spot, moving quickly on accommodations is genuinely useful during a high-demand weekend like Princess.
For travel companions who are not running, February is one of the more pleasant times of year to be at Walt Disney World. Crowds are manageable compared to peak summer and holiday periods, park hours tend to be solid, and the Princess Half Marathon weekend adds a specific energy to the resort that makes for a memorable visit even for guests who are not lacing up for any of the races.
Keep an eye on runDisney’s social accounts tonight for the 8:00 PM ET update. That is where the new registration date will be announced. If tonight’s update comes with a specific time for registration opening, set your reminders and be ready. These spots move fast.
Have questions about planning a Disney World trip around the 2027 Princess Half Marathon Weekend, from resort options to park strategy to what the race weekend experience actually looks like? Drop them in the comments. We have covered runDisney events for years and we are happy to help you put together the best possible plan around your race.