Dambusters at Silent Valley Mountain Park: 8 August 2026
Dambusters is a multi-distance running event held at Silent Valley Mountain Park in Annalong, Co. Down, within the Mourne area of Outstanding Natural Beauty. The venue includes mountain panoramas, a reservoir built in the early 1900s, and the Mourne wall.
Distances offered include:
- 10 Mile race (age 17 plus)
- 10K race (age 15 plus)
- 5K race (including a junior 5K for ages 11 plus)
- 10K walk
Entry is by online registration only; all race packs are posted to participants and will be sent out before the event. There is an early bird pricing window with specific rates for each distance and a registration platform processing fee. Postal option charges apply for delivery to Northern Ireland or the Republic of Ireland.
Race services include a finisher medal, individual chip timing for runners (walkers are not chipped), a race number, and a finish line hydration station. Water stations are provided on course: two for the 10 Mile route and one for the 10K. Toilet facilities and port-a-loos are available; there are no shower facilities. Parking at the venue is managed by NI Water and is subject to local charges. Pets are not permitted and the course is not suitable for buggies. Prize awards are presented to top finishers in the main races. Visit the organization's website for the most recent information.
Event Information
All you need to know
Entry Information
Online Registration before 11pm on Wednesday 29th July 2026 as ALL RACE PACKS WILL BE POSTED to participants. PLEASE NOTE AT TIME OF REGISTRATION YOU WILL NEED TO CHOOSE EITHER NI (£3) OR Rep of Ireland (£4) POSTAL OPTION.
10 Mile Race: (age 17 plus) – £31 Early Bird offer until 11pm on 20/5/26 and £33 thereafter.
10K Race/Walk: £28 Early Bird offer until 11pm on 20/5/26 and £30 thereafter.
5K Race: £28 Early Bird offer until 11pm on 20/5/26 and £30 thereafter.
Junior 5K Race: – age 11 plus (Junior 11-17 years early bird rate of £21 until 20/5/26 and £23 thereafter)
10K Race: – age 15 plus (Junior 15-17 years early bird rate of £21 until 20/5/26 and £23 thereafter)
PLEASE NOTE THERE IS A PROCESSING FEE ADDED BY REGISTRATION PLATFORM AT THE POINT OF ONLINE ENTRY
Start Times
5K: 10.30 AM
10 Mile Race: 11.15 AM
Walk: 11.30 AM
10K Race: 11.40 AM
On the day registration: Online entry only. Registration will be open from 9am to deal with race queries and to facilitate entry changes; ie transfer of entry to another runner or change of race distance. Merchandise will be available to purchase and pre-purchased merchandise can be collected at the Merchandise Desk. Registration will be located close to the Start/Finish line and will be clearly signposted on race day.
Registration opening time: As all race packs will be posted prior to the event, runners do not need to visit Registration unless they have a query, making a change to their race entry or collecting merchandise. Registration will be open from 9am – 11.15am to facilitate this.
Confirmation of your race entry will be sent to you automatically via email.