Get ready to jump, bounce, slide and swing through the World's BIGGEST and CRAZIEST Inflatable 5k Obstacle Course!
Inflatable 5K - St Albans, Hertfordshire - Saturday, 25th April 2026
The UK's Biggest Inflatable Obstacle Course & Fun Run Event
Get ready, St Albans! The Inflatable 5K is coming to Hertfordshire on Saturday 25th April 2026, bringing one of the UK's most exciting inflatable obstacle course events to your area. This high-energy, family-friendly adventure transforms running into a day of fun, featuring giant inflatables, mega slides, tunnels, and challenges for all ages.
Whether you're taking part for the first time or just want a day of laughs and adventure, the Inflatable 5K is for everyone. Choose your distance - 2.5k, 5k, 10k or 15k (based on laps) and tackle a course filled with giant inflatables and thrilling obstacles that will keep the smiles going all the way to the finish line.
Why Join the Inflatable 5K St Albans?
- The UK's biggest inflatable obstacle course event
- A fantastic fun run in Hertfordshire for all fitness levels
- Perfect for families, friends, and groups
- A unique way to enjoy outdoor activity with a twist
- Ideal for team-building, charity fundraising
What's Included:
🌟 Massive inflatable obstacles for maximum fun
🔊 Music zones to keep the energy high
🥇 Epic finishers' medal for everyone
🎁 Goodie bag at the finish
🥤 Refreshing post-run drink
😀 Choose your distance - 2.5k, 5k, 10k, 15k
🎉 No timing, no pressure - just laughter and fun!
Who Can Take Part?
The Inflatable 5K St Albans is perfect for:
- Families - children aged 5-15 may participate with an accompanying adult (3:1 child-to-adult ratio)
- Friends & social groups
- Work colleagues & corporate teams
Looking for a fun run in St Albans, a 5k run near me, or the most exciting inflatable obstacle course in the UK? The Inflatable 5K St Albans is an event not to be missed!
Choose Your Inflatable Challenge Distance
Choose how far you want to bounce! Whether you're up for 2.5K, 5K, 10K, or the ultimate 15K challenge, each lap is packed with epic inflatable obstacles and non-stop fun. Go at your own pace - run, jog, or walk - it's all about laughs, not lap times!
The Obstacles: Giant Slides, Jump Zones & Challenge Features
We've added three additional brand new obstacles, meaning you will tackle 30 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 | 5k | 10k | 15k | |
|---|---|---|---|---|
| Laps | 1 Lap | 2 Laps | 4 Laps | 6 Laps |
| Obstacles | 15 Obstacles | 30 Obstacles | 60 Obstacles | 90 Obstacles |
Team & Group Entry Deals for St Albans 2026
Charity Entry Discounts for the Inflatable 5K St Albans
Attention all charities! Want to rev up your fundraising efforts while having an absolute blast? We've got the perfect solution just for you! And here's the cherry on the top: discounted tickets exclusively available for charities looking to make a difference. Grab your tickets at a fraction of the cost.
Sign Up HereWhat's Included on Event Day
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Volunteer at St Albans 2026 or another one of our epic events
Come and be part of the team!
As part of our volunteer team you will receive one free run entry, a T-shirt and a tote bag full of goodies!
Other Inflatable 5k Locations In the UK
Worried about losing your money due to unforeseen circumstances? Add ticket protect and receive a full refund if you are unable to attend the event. See full terms and conditions here.
How to get there
Event Pre-information
Arrival Time
Please arrive 30-45 minutes prior to your start time.
Parking
Parking is charged at £5 per car, please have the exact change ready for our parking marshals.
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.
Charity Partners
Young Futures Matter
Every year over 15,000 children flee domestic abuse to seek sanctuary in a women’s refuge. Most arriving only the clothes on their back; these children have either witnessed or experienced physical, emotional, and sexual abuse.
Helping people live well with the time they have left
Rennie Grove Peace Hospice Care is dedicated to providing compassionate, patient-centred palliative care and bereavement support to individuals and families across Buckinghamshire and Hertfordshire. Our mission is to help people with life-limiting illnesses live as well as possible for as long as possible, offering tailored care that respects each person’s wishes and needs. We deliver specialist nursing, medical, and therapeutic support in people’s homes, in the community, and at our hospice sites, ensuring comfort, dignity, and quality of life at every stage.
Changing lives, inspiring hope, building brighter futures
Around 23 million people in the UK are affected by alcohol and/or substance use issues, often alongside mental health, domestic abuse and housing challenges (Ipsos, 2024). At Druglink, we’re working hard to change that - and you can help. By joining our team, every step you take supports recovery, stability, and a brighter future for vulnerable individuals facing these challenges
SAHWR provide Domestic Abuse Services to people experience Domestic Abuse in Hertfordshire.
SAHWR is a registered charity, established in 1982, that provides specialist domestic abuse services across Hertfordshire. We provide support to vulnerable individuals (including single women, men and families) who are survivors of domestic abuse, including domestic abuse, sexual violence, stalking and harrassment and stalking and digital abuse.
Supporting families with children's hospice care at home.
In the UK, more than 89,000 babies, children, and young people are living with life-limiting or life-threatening conditions. With referrals increasing every year, the demand for children’s hospice services across the country continues to grow. The Pepper Foundation specifically supports children’s hospice-at-home services, which play a vital role in providing care and comfort to families and children facing these challenges. We believe that every child, regardless of the severity of their condition, deserves the chance to experience the joy of play. At the Pepper Foundation, we are committed to helping children and families living with complex health needs enjoy the highest possible quality of life, however brief that time may be.
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