Entries are submitted via the SiEntries system. Before entering make sure you have details of both team members to hand and read the Courses, Rules and Safety sections on our website, as you will be asked to acknowledge these before your entry is submitted. Once your payment has been received your Start Time will be displayed in the SI Entries Entry List and you will receive a confirmation email from “SiEntries<noreply@sientries.co.uk>”. Please look out for this in your inbox and check your spam folder if it doesn’t arrive promptly.

In order for you to enter and participate in this event, we need access to some of your personal details. Please read our Privacy Policy before entering.

  • Ordinary Entry £120 per team (£140 from 1st August)
  • Adult-Junior** and Under 23 teams – £80  (£90 from 1st August)
  • Score Class Entries are £50 per team ( £60 from 1st August)
  • Tees Not Trees (optional) – £3.60 (see below for details)

Entry includes SI Card hire. The event is limited to 250 teams. U23 teams are where both partners are aged under 23.

** A Parental Consent Form is required before AJ entries will be accepted – See below

Included in the entry fee 

  • Relaxed, friendly and welcoming atmosphere 
  • A choice of 4 linear courses ideal for novice to experienced competitors alike 
  • A thoroughly-planned and professionally organised race 
  • SPORTident race timing 
  • A choice of start times on day 1 
  • Wide spread of categories 
  • Emergency medical and mountain safety team cover during the race 
  • Car parking and Friday night camping at the event centre 
  • Technical event t-shirt
  • Sandwiches and refreshments at end of day 2 

VAT CHARGES, CURRENCY OF PURCHASE AND INVOICE: 

The event is not VAT registered and all transactions will include VAT and be conducted in UK Pounds Sterling. An invoice will not normally be supplied but should you require one, please contact us.  

You can make substitutions for team members and changes to course, start time etc up until entries close at no cost.  Use the Edit Entry link above.

You can “sell” your entry to someone else to receive a refund minus just the SiEntries booking fee.

 

If you wish to cancel your entry you can do so yourself via SI Entries or by email or letter to us received no later than entries close on Friday 11th September 2026. We will provide refunds minus a minimal charge on each entry to cover our costs as follows:

  • Up until  31st July we will retain 20% of each entry
  • From 1st August to 11th September  we will retain 40% of each entry.

After that time the option to cancel with refund will no longer be available.

Other options include making substitutions – no fee but you retain responsibility for the entry – or you can “sell” your entry to someone to receive a refund minus only the SiEntries booking fee.

All options for change close on Friday 11th September.

Unfortunately, we cannot offer deferrals to future events.

If for any reason the event is cancelled, we will refund your entry fee less any unrecoverable costs of not greater than £20 per team. 

When entering online you can select a start time from the list of available times for your course. These can be checked via the Entry List link above.

You may change this or any other details at any time up until entries close via the Edit Entry link above using the login details you will have received via email. Alternatively you can contact us.  

Junior competitors (16/17yrs old) can enter the B, C, D and Score classes of the event when partnered with their parent/guardian or other Responsible Adult  21 or over and providing they have enough experience. These entries can be made online as normal however they will not be confirmed until we receive a completed Parental Consent & Vetting form (link below). It is important that the parent/guardian understands the nature of the event and the risks involved and that they satisfy themselves that both their child and the accompanying adult are fit and capable of safely completing their chosen class.

The minimum requirements of skills and experience are different for each class and are described in the Parental Consent form.

After you have made your online entry the parent/guardian must print and complete the Parental Consent form below and send it to us. Once we have checked your details, we will send you an email inviting you to pay for your entry to complete the process. 

DOWNLOAD  Parental Consent Form

Once again we have partnered with the Tees Not Trees to offer our participants the option of sponsoring the planting and care of a tree either instead of a MMM T-Shirt or in addition.

TNT are a well established organisation who are focused on making a long term and sustainable contribution to the environment.

Sponsoring a tree costs just £3.60.

Look for the options in the T-Shirt selection section of the SI Entries form.

See https://treesnottees.com/ for  full details.

 

Book your place on the Mourne Mountain Marathon today!