Big Backyard Bash | End of Summer Festival | St. Charles MO
About this Event
Big Backyard Bash 2026 brings families together for 2 full days of inflatable fun, foam parties, competitions, live music, food trucks, and unforgettable memories in St. Charles, Missouri.
This is what summer used to feel like — no screens, just one big yard, one big crowd, and the kind of day kids will bring up at Thanksgiving in 2041.
- 35+ Commercial Size Inflatables including Water Slides and GIANT Slip and Slide
- Mechanical Bull
- Foam Party
- Interactive Vendors (Facepainting, Henna, Caricature Artists and more...)
- 3 Rock Walls
- 4 Piece Bungee Trampoline
- Hot Dog Eating & Pie Eating Contest
- Parent Vs Kid Relay Races
- 3-legged Races, Sack Races and SO MUCH MORE
- 15 Food and Drink Vendors
- 75 Commercial vendor Market
Headlining the main stage: St. Louis's Own- Steve Ewing of The Steve Ewing Band and the unmistakable voice behind The Urge, the St. Louis legends who soundtracked an entire generation of summers.
TICKET OPTIONS:
Single Day admission, 2 day admissions, Family Pack and VIP tickets available
VIP inlcudes: Fast Pass Entry at the Gate, Swag Bag full of Goodies, Reserved Seating at the Stage
EVENT TIMES
9am-8pm on Saturday
10am- 6pm on Sunday
Don't be the family hearing about it after it's over! Tickets are selling NOW! Grab yours before prices go up!!
We've got an AMAZING Food Truck and vendor line up that's sure to please everyone!
Where is it happening?
Event Location & Nearby Stays:
USD 12.29 to USD 60.18



















