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Dublin Mountains Challenge 2026

Dublin Mountain Challenge - May 17th, 2026
Route Map
FAQ's
We're back!

We're back!

The Barretstown Dublin Mountains Challenge is ON! Join us on Sunday, 17th May 2026.

You and your friends will once again have the opportunity to hike along the beautiful south Dublin foothills, while helping to raise vital funds for Barretstown.

In 2026, we are proud to celebrate our 12th DMC sponsored hike event, and it’s shaping up to be our best yet!

On Sunday, 17th May 2026, we return with our exclusive hiking event along the stunning Dublin Mountains Way, with 24km and 42km options available for participants. We would love YOU to join us on the day to help raise vital funds for children affected by cancer and other serious illnesses, and to enjoy plenty of fun along the way.

Register Now!

What's it all about?

The Dublin Mountains Challenge is an annual sponsored hike in aid of Barretstown.

The route follows the picturesque and way-marked Dublin Mountains Way, starting in Sean Walsh Park in Tallaght. You have a choice or 2 distances, 24km to Three Rock / Ticknock Forest or 42km, finishing at Bradys Pub in Shankill!

We will provide bus transfers from both finish points, back to the start line in Tallaght and the carpark at Tallaght Stadium.

It's going to be an incredible day together, so be sure to grab your spot before they all go!

Check out the route map

Registrations Open Now!

Be part of our 12th Annual DMC event this year! ...

Take the First Step!

Be part of this fun event as the Dublin Mountains Challenge returns on Sunday May 17th.

Take the first and most important step in this years challenge by signing up! Trust us, you won't regret it!

Register Now

Event Day Details

The event this year is our 12th annual sponsored hike along the beautiful Dublin Mountains Way. There will be two route distances on the day; both routes will begin at Tallaght Stadium, with the 24km route finishing at Three Rock, and the 42km route finishing at Shankill.

More Information

Registration Costs

2026 Registration Fees:
24km Individual = €60
24km Team of 4 = €220

42km Individual = €85
42km Team of 4 = €320

We also ask that all participants please fundraise a minimum of €100 sponsorship for their hike.

Sign Up

Terms & Conditions

Terms & Conditions

Please read all T&Cs.

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Sponsored by Lucozade Sport

Sponsored by Lucozade Sport

With thanks to PML, Dublin Civil Defence, Tallaght Stadium, Coillte, and all our incredible stewards and volunteers for their kind and ongoing support.