Inflatable 5K - St Albans

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From UK Running Events

  • Date Sat 25th April 2026
  • Location St Albans, Hertfordshire
  • Price £23.00 - £53.00
  • Races 8 races
  • Distances 5km, 10km

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Participants race on a giant red inflatable obstacle course under an arch labeled "Inflatable 5K Start." The course is set on a grassy field with expansive green landscape and a blue sky in the background.

Inflatable 5K - St Albans

Sat 25th April 2026

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Event summary

Get ready for an unforgettable adventure at the Inflatable 5K in St Albans, Hertfordshire, on Saturday, April 25th, 2026! Organised by UK Running Events, this exhilarating event promises to be the World's BIGGEST and CRAZIEST Inflatable 5K Obstacle Course. Participants of all ages and fitness levels can look forward to a day filled with laughter and excitement as they jump, bounce, slide, and swing through an array of gigantic inflatable obstacles. With race distances of 2.5KM, 5KM, 10KM, and 15KM, there’s something for everyone! Gather your friends, family, or take on the challenge solo, and lace up your trainers for an epic day out that will create lasting memories. Don't miss out on this unique opportunity to experience the fun and thrill of the Inflatable 5K in St Albans!

Inflatable 5K - St Albans

Sat 25th April 2026

Participants race on a giant red inflatable obstacle course under an arch labeled "Inflatable 5K Start." The course is set on a grassy field with expansive green landscape and a blue sky in the background. A group of people in athletic wear joyfully jump in the air in front of an inflatable finish line. They are outdoors on a grassy field, wearing white shirts and numbered bibs. The sky is clear and blue. Two women in pink shirts and black leggings are running through an inflatable obstacle course on grass. They look excited and are mid-stride with one smiling and raising her hand. The sky is blue with scattered clouds. Smiling man in black athletic wear runs through an inflatable red and black obstacle course, holding up peace signs with both hands. He wears a race bib with the number 30261. Trees are visible in the background. A man and woman climbing through holes in a blow up inflatable structure. Two people wearing race bibs jump joyfully in a grassy field with inflatable obstacle course structures in the background, under a blue sky with scattered clouds. Four people holding hands slide down a large, red inflatable slide. They are smiling and wearing athletic clothes with numbered bibs. The sky is clear and blue above them. A person wearing a white shirt and black shorts runs on an inflatable obstacle course. Bright red and black inflatables surround them, with visible emergency exit signs. The sky is clear and blue. A man in a gray shirt and black shorts navigates an inflatable obstacle course, smiling as he runs. Other participants are visible in the background, inside a large, red and black inflatable structure. Outdoor setting with a cloudy sky. A large red inflatable obstacle course is set up on a grassy field. The course has slides, climbing walls, and tunnels. People are seen engaging with the obstacle course. Rolling hills and green fields form the background under a clear blue sky. Two people smiling and running on a large inflatable obstacle featuring a red and black design with "Inflatable 5K" written above them. They appear to be enjoying an outdoor fun run event on a sunny day.

Organiser's Description

Get ready to jump, bounce, slide and swing through the World's BIGGEST and CRAZIEST Inflatable 5k Obstacle Course!

The Inflatable 5k Obstacle Course is coming to St Albans on Saturday 25th April 2026 and it's going to be Epic! The obstacles are BIGGER, BOUNCIER and BETTER than ever before! You'll be jumping, sliding and laughing all the way to the finish line. Grab your friends, family or tackle it on your own. Lace up your trainers and get ready for the ultimate day out!

DISTANCES
2.5KM | 5KM | 10KM | 15KM

Races

  • 5k

    Adult Entry (16 & Over)

    £33.00 £60.00

    Sale

    Super Early Bird Tickets - Up to 53% off

    Booking for more than 1?

  • 5k

    Child (5 to 15)

    £28.00 £55.00

    Sale

    Super Early Bird Tickets - Up to 53% off

    Booking for more than 1?

  • 2.5k

    Adult Entry (16 & Over)

    £28.00 £52.50

    Sale

    Super Early Bird Tickets Up To 53% off Tickets!

    Booking for more than 1?

  • 2.5k

    Child (5 to 15)

    £23.00 £47.50

    Sale

    Super Early Bird Tickets Up To 53% off Tickets!

    Booking for more than 1?

  • 10k

    Adult Entry (16 & Over)

    £43.00 £67.50

    Sale

    Super Early Bird Tickets Up To 53% off Tickets!

    Booking for more than 1?

  • 10k

    Child (5 to 15)

    £38.00 £62.50

    Sale

    Super Early Bird Tickets Up To 53% off Tickets!

    Booking for more than 1?

  • 15k

    Adult Entry (16 & Over)

    £53.00 £77.50

    Sale

    Super Early Bird Tickets Up To 53% off Tickets!

    Booking for more than 1?

  • 15k

    Child (5 to 15)

    £48.00 £72.50

    Sale

    Super Early Bird Tickets Up To 53% off Tickets!

    Booking for more than 1?

Book

  • 5k

    Adult Entry (16 & Over)

    £33.00 £60.00

    Sale

    Super Early Bird Tickets - Up to 53% off

    Booking for more than 1?

  • 5k

    Child (5 to 15)

    £28.00 £55.00

    Sale

    Super Early Bird Tickets - Up to 53% off

    Booking for more than 1?

  • 2.5k

    Adult Entry (16 & Over)

    £28.00 £52.50

    Sale

    Super Early Bird Tickets Up To 53% off Tickets!

    Booking for more than 1?

  • 2.5k

    Child (5 to 15)

    £23.00 £47.50

    Sale

    Super Early Bird Tickets Up To 53% off Tickets!

    Booking for more than 1?

  • 10k

    Adult Entry (16 & Over)

    £43.00 £67.50

    Sale

    Super Early Bird Tickets Up To 53% off Tickets!

    Booking for more than 1?

  • 10k

    Child (5 to 15)

    £38.00 £62.50

    Sale

    Super Early Bird Tickets Up To 53% off Tickets!

    Booking for more than 1?

  • 15k

    Adult Entry (16 & Over)

    £53.00 £77.50

    Sale

    Super Early Bird Tickets Up To 53% off Tickets!

    Booking for more than 1?

  • 15k

    Child (5 to 15)

    £48.00 £72.50

    Sale

    Super Early Bird Tickets Up To 53% off Tickets!

    Booking for more than 1?

What's Included

Finisher's Medal
Medical Assistance
Finish Line Goodies
Event Photography
Music Pumping Zones
Free Spectator Area
Clearly Marked Route
On Course Hydration Station

Parking

Parking is charged at £5 per car, please have the exact change ready for our parking marshals.

Location

Hertfordshire County Showground, Dunstable Road, Redbourn. AL3 7PT
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FAQs

  • Can I miss an obstacle out?

    Yes, if you don't feel like doing a particular obstacle, please check with our marshal on each obstacle beforehand.

  • How long will it take?

    How long an event will take you depends on your level of fitness, your experience, and whether or not you've been training. 2.5k Avg 20mins, 5k Avg 45mins, 10k 1h 15mins, 15k Avg 1h 45mins.

  • Is there a time limit for completing the course?

    You are able to run or walk at your own pace! However, the last start time for 10k & 15k runners is 11.30am.

  • Can I upgrade my distance?

    Yes, you can do this on the day of the event. Please head to the help desk and you can upgrade or amend your distance.

  • Can I run with a group of friends?

    Yes, please make sure you all enter the same start wave.

  • Is there an age limit?

    The inflatable 5k is open for ages 5 - 15 years old. Children must be accompanied by a participating adult at all times (3:1 child:adult ratio). Adult: 16+ / Child: 5 to 15yrs

  • I am pregnant, can I run?

    We would advise against it, however, it is your responsibility to contact a medical professional regarding this and you would be participating at your own risk.

  • Can I transfer my booking?

    You can transfer your booking to another person or another inflatable event up-to 10 days prior to the event date, there is a £7.50 per person fee for this.

  • Can you do the Inflatable 5K alone?

    Yes, participants can run as individuals. There is plenty of people on the course to help if needed.

on the day

ARRIVAL TIME
Please arrive 30-45 minutes prior to your start time.

E-TICKETS
Please print / screenshot your E-Ticket and present it upon entering the venue to collect your running bibs and please ensure to turn dark mode/night mode off when showing your E-ticket.

DOGS
Unfortunately, dogs are not allowed at our events.

TOILETS
Toilets are provided at the venue. Please look for signs or ask a member of staff.

BAG DROP
Bag drop is £3.00 per bag. Please keep bags to a gym duffle size or smaller. Larger items won't be permitted. All bags will be searched by a member of the UKRE Team for event safety and security.

EVENT KIT LIST
Sensible running shoes and a long sleeve top. Bring a rain jacket if wet weather is forecast. We love to see runners in fancy dress, so don't hold back! Please do not wear any sharp jewellery or carry sharp objects that could cause injury.

CHILDREN
Children between 5 - 15 years old must be accompanied by a paying participating adult (3:1 child:adult ratio) Unfortunately, if this is not met, you will not be able to participate at our event.

SPECTATORS
Friends and family are welcome to come along and watch in the designated spectator areas only, for no extra charge. Spectators cannot roam around the entire course and must keep off the marked out course and obstacles. Children must be under adult supervision at all times.

DRINK STATION
Water will be stationed midway along the route to keep you hydrated.

FOOD & DRINK
There will be food and drink vendors on-site.

the obstacles

We've added three additional brand new obstacles, meaning you will tackle 28 gigantic obstacles on the 5K distance. Combined with five pumping music zones to motivate you around the course, this year's Inflatable 5K is the most epic yet!

2.5K
LAPS - 1
OBSTACLES - 15

5K
LAPS - 2
OBSTACLES - 30

10K
LAPS - 4
OBSTACLES - 60

15K
LAPS - 6
OBSTACLES - 90

The course is 2.5k long and each lap will be a repeat of the obstacles.

pre event info

You will receive your pre-event information and E-ticket the week of the event on Monday at 6pm and Friday the day before at 9am. Please ensure to have your E-ticket ready at the QR station on the day of the event, where you will receive your running bib(s). All participants will receive a finishers medal, goodie and refreshing drink at the finish line.

Reviews

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Location

Hertfordshire County Show, Dunstable Road, St Albans AL3 7PT, UK

Who's In

See who else is doing this event

Doing

RP

Rebecca Parkes

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Inflatable 5K - St Albans

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