Watermelon Festival

Join us in Vincennes, IN for a juicy celebration of Knox County's thriving watermelon industry! Stayed tuned for the 2026 Knox County Watermelon Festival - we can't wait for you to join us next year!

A big thank you to our Presenting Sponsor, Sparklight!

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Vendors

The Watermelon Festival is home to a variety of vendors, ranging from delicious fair foods, children's toys, unique clothing, and more!

Pageants

About the Pageants

We're thrilled to welcome the Watermelon Pageant as part of the festival! The pageant will feature three age categories:

Baby/Toddler: Ages 0-4 years
Tiny/Teen: Ages 5-15 years
Queen Pageant: Ages 16-18 years

5K Color Run & Walk: Presented by Old National Bank

Lace up your running shoes and join us for the Watermelon Festival 5K Color Run/Walk - a fun, family-friendly event welcoming runners and walkers of all ages and experience levels!

Whether you're chasing a personal best or enjoying a casual morning stroll with friends, this 5K is the perfect blend of fitness, fun, and community spirit.

The Route:

Take in the beauty of historic downtown Vincennes as you make your way through scenic streets, past charming landmarks, and finish in the heart of the Watermelon Festival on Main Street. It’s a refreshing and picturesque way to start your festival day!

Take a look at the updated race route, and additional race directions to your right!

Event Highlights:

Best Dressed Costume Contest - Get creative with your watermelon-themed outfits or gather your group for a fun costume twist!
Finish Line Festivities, Sponsored by Sarah's Family Footwear - Celebrate your accomplishments with refreshments, awards, and juicy slices of watermelon.
Festival Activities - Stick around after the race for a full day of Watermelon Festival Fun!

Antique Tractor Show: Sponsored by Organ Battery & Electric Co.

Bring out the whole family for a day full of fun at the Knox County Watermelon Festival, and don't miss the Antique Tractor Show - FREE to participate in and open to ALL tractor enthusiasts!

About the Festival

Celebrating the huge watermelon industry in Knox County with some summertime fun - the Watermelon Festival is traditionally held on the first full weekend in August. This event boasts with fair food favorites, live music, pageants, and of course, watermelon!