Our traditional Opening Day celebration is set for Saturday, April 11th, 2026!
Upper Allen Mechanicsburg Baseball Associations Opening Day is a special time for the community to celebrate the beginning of the baseball season and spring! As always, it will be a fun-filled celebration for the children and families in our community. This year you can expect several amazing food trucks, multiple vendors, an inflatable obstacle course and wacky slide, multiple giveaways, and most importantly, FUN!
This event is open to everyone.
Activities, food and vendors will begin opening at 9am with our ceremony set to start at 9:30am. As an added bonus, Keystone Base Ball Club of Harrisburg will be in attendance taking part in a blast from the past 19th century baseball game starting at 12pm against our Teener athletes.
We have a great program planned this year and cannot wait to see you there!
A huge THANK YOU to all our vendors and sponsors who have generously donated their time and resources to making this year's event awesome!
We are actively seeking vendors and accepting raffle prize donation contributions from those who wish to participate or donate. To learn more about becoming a vendor or donor, please contact our Opening Day Coordinator, Courtney Dutton, at
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Please see below for our growing list of 2026 Opening Day Vendors
Opening Day Food Vendors
• Grateful Bowls
• Kona Ice of the Central Capitol Region
• Schnader's Taters & Funnel Cakes
• to espresso
• Trailer Trash Chili Dogz
Activities & Entertainment
• Face Painting (Oh Look, Facepainting by Amber)
• Inflatables (Golden Rentals)
Opening Day Vendors & Raffle Prize Donors
• ABC West Lanes
• Amici Pizza
• Card My Yard
• Carlisle Sports Emporium
• Carrabba's Italian Grill
• Climbnasium, INC.
• Coach Chris Confidence
• Color Me Mine
• Courey Dutton Imagery
• Dockside Willies
• Duke’s Bar & Grille
• Fantasy Axe Throwing
• GDS Controls
• H2L Studio
• Harrisburg Senators Baseball Club
• Hoss's Steak & Sea House
• Iron Dog Raw
• Isaac's Craft Kitchen & Brewery - Mechanicsburg
• Jennifer Prol - Coldwell Banker Realty
• Jubilee Cake Studio
• Karns Foods
• Keystone Base Ball Club of Harrisburg
• Lake Tobias Wildlife Park
• Longhorn Steakhouse
• Mechanicsburg Area Parks & Recreation
• Monkey Joes
• My Gym Mechanicsburg
• Oak Grove Farms, Inc.
• Olive Garden
• Oola Bowls
• Outback Steakhouse
• Over The Top Balloons
• Play N Trade
• SkyZone Indoor Trampoline Park
• Tequila Willies
• VFW 7530
Also check out other Nonprofit events in Mechanicsburg, Sports events in Mechanicsburg, Workshops in Mechanicsburg.
