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IREland's toughest Physical & Mental challenge

HELL & BACK is Ireland's toughest physical and mental endurance challenge, specifically designed and created by our award-winning outdoor specialists to push your physical and mental boundaries to the limit.


Set in the magnificent Killruddery Estate, this 8KM course at the end of September offers you stunning views of Dublin Bay from the Little Sugar Loaf mountain.


The course combines infamous man-made obstacles with Killruddery's natural terrain, including rivers, mountains, bogs and forests, to create a uniquely terrifying challenge!

Course type: ALL TERRAIN. Ages 16+.

Sep 30 8km.jpeg



the ultimate adventure

HELL & BACK 8KM on Sat 30th Sept is a gruelling off-road course along man-made trail runs and mountain paths.


You'll have to progress over, under, around and through all of Killruddery's stunning natural obstacles, including bogs, hills, forests, swamps and rivers, as well as our infamous HELL & BACK obstacles, including Heartbreak Ridge, Water Jump, Splashdown Slide, Ice Baths, Hell on Earth and the Tyre Zone.

Grab your friends, family, work colleagues or team mates for the ultimate Irish outdoor adventure!

the devil is in the details

Start Times

There is no mass start at HELL & BACK; instead there are a number of starting waves throughout the day with 250-400 HellRaisers in each. You choose your preferred wave start time when you register and can double check this on the Start Time Checker.

The first adult 8KM wave on Sat 30th Sept is at 11:00 and the last is at 14:40. Note that there is usually a €2 charge to go in Wave 1 and be the first ones to tackle the virgin course!

Car Parking

Weather permitting, all parking for HELL & BACK will be both onsite in Killruddery and in the nearby IDA Business Park on Southern Cross Road. Pre-Paid Parking is available during registration at €9 per car (bring QR code). Pay on Day available @ €10 cash per car.


Personal Accident Cover is included in the registration fee of all participants. This cover may include benefits in the event of you incurring an injury.


Finisher's T-shirt

You can collect up your exclusive "I Made it Thru' HELL & BACK" T-shirt at the Finish Line.

Start Time Checker

Find out all you need to know about your registration, including the time you are allowed into the venue, your Wave Start Time and T-Shirt Size, via our Start Time Checker.


Can I Change My Start Time?

Log into our Manage My Booking service to view the start times available and change your start time to one that is free.

Can't Take Part?

If you or a team mate cannot take part, use our Manage My Booking service to email your ticket to your replacement. Available to Individuals and Teams that used Syndicated Payment option to pay for tickets. 

What Should I Wear?

Check out the section below on recommended clothing and footwear for your H&B adventure!

Wristband Collection

You must collect your Wristband AT LEAST 30 minutes before your allocated Wave Start Time.

16 & 17 Year Old Participants

All 16 & 17 year old participants must register using an special consent link emailed directly to the Parental/Guardian. Email Andrew on to obtain this U18 link.

Risk of Infectious Diseases

Killruddery is a working farm so be fully aware of Infectious Diseases. If you experience any symptoms after the event, contact your GP immediately.

Event Village

As well as delicious food options, we will have lots of activities to keep you entertained throughout the day in the Event Village.

Course Closing Times

The course closes at 18:00, while the site closes at 18:30. Please make sure you bring all your belongings with you as you leave.



What to Wear

what to wear

• Traill runners are best as they give better grip in muddy conditions
• Astro boots also work well
• We strongly advise you do not wear normal runners or any other footwear, as the reduced grip will increase your risk of injury
• Studs, cleats, blades & spikes are not permitted

• Fingerless cycling gloves are best as full finger gloves will get water logged

• Base Layer – compression top
• Top Layer – Technical t-shirt (optional)
• Wear long sleeves to help protect your arms at crawl obstacles
• Avoid cotton materials!!

• Compression leggings are recommended to help protect legs when crawling.
• Avoid flimsy material that may rip or tear.

Duct Tape, Electrical Tape & Cable Ties are not allowed on your shoes as they come off too easily and thus become a danger to the livestock on the farm so ake sure you triple knot your laces instead.

adult 8KM prices

Saturday 30th September 2023

individuals (1-3 Participants)

Price Level

Early Bird - SOLD OUT

Satan's Special - SOLD OUT

Devil's Discount - SOLD OUT

Lucifer's Fare - CURRENT PRICE

Hellish Rate







TEAMS (4-20 Participants)

Price Level

Early Bird - SOLD OUT

Satan's Special - SOLD OUT

Devil's Discount - SOLD OUT

Lucifer's Fare - CURRENT PRICE

Hellish Rate







GROUPS (21+ Participants)

Price Level

Early Bird - SOLD OUT

Satan's Special - SOLD OUT

Devil's Discount - SOLD OUT

Lucifer's Fare - CURRENT PRICE

Hellish Rate








All prices include: 

- Mandatory €6 Personal Accident Insurance Fee

- Exclusive HELL & BACK Finisher's T-Shirt


Optional Extras (available when registering):

- Car Parking
- DART Shuttle Bus
- HELL & BACK Merchandise, including Vintage Finisher's T-shirts, Multi-Functional Scarf & Gloves



- Free Entry for Spectators
- Timing Chips are not available - this is a challenge, not a race!


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