runDisney Issues Course Alteration for Walt Disney World Marathon Due to High Heat Index

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runDisney announced this morning it is altering its marathon course due to heat; the modifications will only affect those still on the course. Race times will still be recorded and racers will receive medals.

runDisney has also posted this advisory:


We are expecting warm weather and high humidity during the 2020 Walt Disney World Marathon Weekend. Those participating in this event should keep the following tips in mind:

  • Stay well hydrated prior to races by alternating water and electrolyte-based hydration options.
  • Choose light clothing/costumes for your races, and ensure any headwear is breathable and allows heat to escape.
  • Throughout your race, hydrate by alternating water and electrolyte-based hydration options and be conservative of your pace as to not overextend yourself. This may not be the event to attempt your personal best.
  • Slow down and ask for assistance at any signs of heat illness, including dizziness, light-headedness or nausea. Heed these warnings seriously.

As a reminder, all medical stations will have the appropriate flag color displayed according to existing heat conditions. For more information, please reference the Event Safety page in the Digital Event Guide

Any adjustments to the race are at the discretion of the Event Management team and are for everyone’s safety. All of us at runDisney hope you have a safe and magical run!

About the author

Elise Dwight

At Walt Disney World, you can catch Elise perusing the Minnie Mouse ear selection or drinking a lapu lapu at the Poly. She has a lifelong fascination with all modes of Disney transport and is looking forward to trying her luck as a Disney bus driver when she retires in 2050. Contact Elise at [email protected]

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“We are modifying the course for our runners’ safety” a.k.a. “we need to make up time because we started the race late due to our poor traffic management.”