Get ready to take a bite out of history at Burger Day, where El Reno’s legendary fried onion burgers meet the iconic Mother Road. Set in the heart of Historic Downtown El Reno along Route 66, this one-day festival celebrates the flavors, stories, and roadside spirit that made America fall in love with the open road.

At the center of the celebration is an unforgettable Route 66–sized spectacle: the cooking and eating of the World’s Largest Fried Onion Burger. Measuring over 8 feet in diameter and weighing more than 850 pounds, this record-setting burger is cooked fresh on a massive griddle right before your eyes—layers of beef and hand-sliced onions sizzling together in true El Reno fashion. Once complete, the giant burger is served up and shared with festivalgoers, turning a world record into a true community moment.

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Surrounding the big burger, downtown comes alive with classic cars, live entertainment, local vendors, family-friendly activities, and the unmistakable nostalgia of Route 66. From historic storefronts to vintage automobiles and the unmistakable aroma of grilled onions, Burger Day is a throwback to the golden age of American travel—served with a modern hometown vibe.

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Whether you’re a Route 66 road-tripper, a burger enthusiast, or a proud local, Burger Day invites you to slow down, savor the moment, and celebrate the tastes and traditions that put El Reno on the map.

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Come Hungry. Leave nostalgic.

Celebrate Route 66- one giant bite at a time.