40' Obstacle Course

- Actual Size: 40'L x 11'W x 10'H
- Setup Area: 50'L x 20'W
- Outlets: 1 110V Outlet within 100ft
- Age Group: 3 years and up
- Attendants: Min. 1 Adult
- Booking Options
  
  Most Popular
  
  Overnight
  
  Keep the party going
  
  $506.25
  
  Standard
  
  4 Hours
  
  $375.00
  
  Extended
  
  4-8 Hours
  
  $450.00
  
  Weekend
  
  2 Day Rental
  
  $618.75

- $375.00
- Add to Cart

40' Obstacle Course

Our most popular rental — a fast-paced, two-lane obstacle course that brings out everyone's competitive side

The 40' Obstacle Course is our single most-requested rental, and it's easy to see why. Multiple units go out every weekend — to backyard birthday parties, school field days, church events, and corporate gatherings across St. Charles and Warren County. What most people don't realize until they try it: obstacle courses are just as fun for adults as they are for kids. Once the head-to-head racing starts, the competitive energy takes over and nobody wants to stop. Standard 4-hour rentals start at $375.

✓ Most Popular Rental ✓ 2-Lane Racing ✓ 40 Feet of Action

Race Head-to-Head Climb + Slide Finish Packed with Obstacles Ages 3 & Up Delivery & Setup Included Weather Reschedules Available

Popular Add Ons Concessions Tables & Chairs Tents

Review the details below → check availability → reserve your event date

* A standard 110V outlet within 100 feet of the setup area is required. A 100' extension cord is included. Delivery fees are calculated at checkout based on your event address.

✓ Our #1 Most-Requested Rental ✓ Cleaned & Sanitized Every Time ✓ 100' Extension Cord Included ✓ Zero-Risk Weather Policy

Kids on the 20' Fire & Ice Water Slide at a Backyard Party Rentals event

★★★★★ 311+ Five-Star Google Reviews · Family-owned since 2019

"We love Backyard Party Rentals! We have used them for a couple years now for our Back to School Bash! They are friendly, reliable, and affordable. Thanks for always making our event special!"

— Verified Google Review, School Customer

Our single most-requested rental. Multiple units go out every weekend to backyard parties, school field days, and church events across St. Charles and Warren County.

Most people don't realize how fun obstacle courses are until the head-to-head racing starts. Once the competitive edge kicks in, nobody wants to stop.

Trusted by schools and churches throughout the area for field days, Back to School events, carnivals, and community gatherings.

Fully insured · COI available for schools, churches, and parks at no charge

🏃 Take the Tour

Step Inside the 40' Obstacle Course

Take a virtual walk through every section — see exactly what your guests will be racing, climbing, and sliding through from start to finish.

9 sections · ~40 feet of action

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Front entrance of the 40 foot obstacle course inflatable rental

Step Inside: The Entrance

Where the course begins

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First crawl-through tunnel section of the 40 foot obstacle course

The Opening Tunnel

Crawl through to get started

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First Popup Obstacles

Weave through the first popups

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Weaving Through the Popups

Dodge left, dodge right

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Approaching the Rock Wall

Second popups before the climb

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Inflatable rock climbing wall with built-in slide on the 40 foot obstacle course

Climb & Slide Section

The signature feature

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Final Popup Challenge

One last weave before the exit

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Last crawl-through tunnel leading to the exit of the 40 foot obstacle course

Last Tunnel to the Finish

Crawl through to the exit

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Exit of the 40 foot obstacle course inflatable rental

The Finish Line

Mission accomplished

👉 Click any photo to view full size · Use arrows to scroll

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Simple, Transparent Pricing

No hidden fees. No surprises at checkout. Delivery, setup, and pickup included in every rental.

Standard

4 Hours

$375

Build Out the Full Event Around Your Obstacle Course

The obstacle course handles the competition. These add-ons keep the crowd fed, comfortable, and entertained between races.

FUEL THE RACERS

Concessions

Popcorn, snow cones, and cotton candy keep the energy up between rounds. A natural fit for any event where people are active and moving all day.

View Concessions

SPECTATOR SETUP

Tables & Chairs

Give the cheering section somewhere to sit. Tables and chairs keep parents, coaches, and spectators comfortable while the action runs all day.

View Tables & Chairs

ADD MORE ACTION

Inflatable Games

Add more competitive inflatables alongside the obstacle course and give different groups of guests something to do at the same time without one long line.

View Inflatable Games

SHADE & COMFORT

Event Tents

Shade matters when guests are active and outside for hours. A tent gives everyone a comfortable place to regroup, eat, and cool down between turns.

Browse Tents

Works for Practically Any Event You Can Think Of

The 40' Obstacle Course is the most versatile rental we carry — equally at home in a backyard on Saturday afternoon as it is at a school field day with 300 students.

🎂

Birthday Parties

The head-to-head racing format turns any birthday party into a competition nobody wants to leave. Even the adults end up in line once they see how it works.

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School Field Days & Events

Schools across St. Charles County book this unit year after year for field days, Back to School Bashes, end-of-year parties, and student reward events.

⛪

Church & Community Events

A crowd favorite at church picnics, VBS programs, community festivals, and family nights where you need something that works for all ages without slowing down.

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Corporate & Team Events

Head-to-head racing makes this a genuine team-building hit at company picnics and employee events. Adults get surprisingly competitive and love every second of it.

What Makes This Our Most Popular Rental

✓

40 feet of obstacles — pop-ups, tunnels, climbing walls, and a climb-and-slide finish packed into a full-length course that challenges every participant.

✓

2-lane racing design — two participants race side by side, keeping lines short and competitive energy running high throughout the entire event.

✓

Ages 3 and up — one of the few rentals that genuinely works for both kids and adults. The competitive format brings out everyone's inner competitor.

✓

Dry rental, no water needed — straightforward setup requirements that work year-round, indoors or out, rain or shine.

🛡️ Fully Insured. COI Available at No Charge.

We carry full liability insurance and a Certificate of Insurance is available for schools, churches, parks, and any venue that requires one. Just request it at booking — no extra fees, no added paperwork.

📏 Space & Setup

A clear setup area of 50' x 20' is required. Grass is preferred, but other flat surfaces may work depending on the location.

We handle everything on delivery day. Our crew delivers, inflates, anchors the course, walks you through safety guidelines, and returns for full pickup when your rental ends.

⚡ Power & Weather

One standard 110V outlet within 100 feet is required. A 100-foot extension cord is included with your rental.

Weather happens. If rain or storms are in the forecast, contact us the night before your event and we'll arrange a hassle-free reschedule.

🏆 The Rental That Surprises Everyone — Every Single Time

Most people booking an obstacle course are thinking about the kids. What they don't expect is that the adults end up just as hooked once the head-to-head racing starts. The competitive format does something to people. Once someone loses, they want a rematch. Once they win, they want to defend it. The line doesn't stop moving because nobody wants to be the one who quit.

It's exactly why this is our most-requested unit and why schools, churches, and families keep booking it year after year. The obstacle course doesn't just entertain people. It gets them off their phones, out of their chairs, and into something genuinely fun together.

40' Obstacle Course FAQs

The head-to-head racing format is what sets it apart. Two people race side by side through 40 feet of obstacles and a climb-and-slide finish, and the competitive energy it creates is something most people don't expect until they experience it. Kids love it, but so do adults. Multiple units go out every single weekend to backyard parties, school field days, church events, and corporate gatherings across the area.

Both. The 40' Obstacle Course is recommended for ages 3 and up, and in our experience the adults end up being some of the most enthusiastic participants. Once the competitive racing starts, everyone wants in. It's genuinely one of the best rentals for mixed-age events where you need something that works for the whole crowd.

Standard 4-hour rentals start at $375. Extended 4–8 hour rentals are $450, overnight is $506.25, and weekend 2-day rentals are $618.75. Delivery, setup, and pickup are included in every rental. Your delivery fee is calculated at checkout based on your event address, with no hidden charges.

The 40' Obstacle Course requires a clear setup area of approximately 50 feet long by 20 feet wide. Grass is preferred but other flat surfaces may work. Make sure the area is free of overhead obstacles before your delivery date.

Yes. We carry full liability insurance and a Certificate of Insurance is available for schools, churches, parks, and any venue that requires one. Just request it when you book — no extra fees and no added paperwork required.

Yes. Every rental includes delivery, full setup, a safety walkthrough, and pickup. A 100-foot extension cord is also provided. There are no hidden charges for setup or takedown.

Contact us the night before if storms are in the forecast. We offer hassle-free weather reschedules so you're never stuck without options when the weather doesn't cooperate.

What Customers Are Saying

311+ five-star Google reviews from real customers across St. Charles County and beyond

Obstacle Course Rentals in Wentzville & Surrounding Areas

We deliver obstacle course rentals for birthday parties, school field days, church events, corporate picnics, and community gatherings throughout St. Charles County, Warren County, Lincoln County, and nearby Missouri communities.

⭐ Family-owned · Fully insured · COI available · Delivery and setup included

Check Availability for the 40' Obstacle Course

Our most popular rental books out fast, especially spring through fall. Lock in your date before it's gone.

Check Availability & Book Now → 📞 (636) 698-2542

✅ 311+ Five-Star Google Reviews ✅ Delivery & setup included ✅ Weather reschedules available ✅ Fully insured · COI available

Our 40' Obstacle Course rental in Wentzville, MO is our most-requested inflatable and a top choice for families, schools, churches, corporate teams, and event planners searching for obstacle course rentals in Wright City, Lake St. Louis, O'Fallon, St. Peters, Troy, Warrenton, St. Charles County, Warren County, Lincoln County, and surrounding Missouri communities. Backyard Party Rentals, family-owned since 2019, delivers clean safe inflatables with professional setup and pickup for birthday parties, school field days, Back to School events, church picnics, community festivals, and corporate team-building events.