FAT SHACK 5K CHALLENGE now live at all fat shack locations!
*SEE OFFICIAL RULES FOR DETAILS
FAT SHACK 5K CHALLENGE now live at all fat shack locations!
*SEE OFFICIAL RULES FOR DETAILS
*SEE OFFICIAL RULES FOR DETAILS
*SEE OFFICIAL RULES FOR DETAILS
Join us at 2PM MT on January 10, 2026 to see who can eat our Fat Shack 5K Challenge the fastest and compete for $5,000 in cash prizes! Our top 8 competitors from our 2025 qualifiers will be showcased at this event as our 2026 Main Event competitors!
Competitors must be 18 years or older - please see Official Rules for complete details

On January 25th, five of the best eaters in the country joined us in CO to see who could eat our Fat Shack 5K Challenge the fastest and compete for $5,000 in cash prizes! You will have see it to believe how fast they finished over 5,000 calories. Check it out here!
WAYNE ALGENIO
@WAYNEYWONDER29
Fat Shack's BRAND NEW challenge! It's the ultimate test of appetite and speed where challengers attempt to consume 5,000 Calories in 15 minutes or less.
We're kicking things off with an eating competition of epic proportions! Qualify at your local Fat Shack anytime during the month of November and we will have our lineup of eaters set to compete for $5,000 in cash prizes at our Main Event on January 10th, 2026. Check back soon for more info on our competitors and details on how to attend or stream the Main Event!
Fat Shack 5k Challenge
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Participants have until 11/30 to complete their qualifying race - sign up now!