Sat 20 - Sun 21 Jun 2026 Londonderry, County Antrim

Hard as OAK

The hardest 10km obstacle course challenge in Ireland

Sign up for £24.95-£64.95

Choose race

3 races

  • Sat 20 Jun
  • #1 of 3
Hard as OAK, Londonderry

10K

09:00

Age 18 & over

£64.95

  • 10 km multi terrain running
  • Sun 21 Jun
  • #2 of 3
Hard as OAK, Londonderry

teenOAK 5K

11:00

Age 11-17

£29.99

  • 5 km multi terrain running
  • Sun 21 Jun
  • #3 of 3
Hard as OAK, Londonderry

miniOAK 2K

14:00

Age 6-10

£24.95

  • 2 km multi terrain running

Event overview

Ireland's toughest 10km challenge! Bigger. Better. Harder. This Event is also open to 16 and 17 year olds under our chaperone system. teenOAK 11 - 17 year olds - Push yourself to the limit on our 5km obstacle course designed to challenge all abilities! miniOAK 6 - 10 year olds - This is a specially designed 2km obstacle course for the wee folk. Fun guaranteed!

Event details

  • Average fitness
  • Beginner-friendly
  • Event village
  • Families
  • Spectators

Location

  • Changing facilities
  • Paid parking
  • Secure bag storage
  • Showers

Sustainability

  • Lift sharing advised

Races at event

  • Sat 20 Jun
  • #1 of 3
Hard as OAK, Londonderry
10K

09:00

Age 18 & over

£64.95

  • 10 km multi terrain running
  • Sun 21 Jun
  • #2 of 3
Hard as OAK, Londonderry
teenOAK 5K

11:00

Age 11-17

£29.99

  • 5 km multi terrain running
  • Sun 21 Jun
  • #3 of 3
Hard as OAK, Londonderry
miniOAK 2K

14:00

Age 6-10

£24.95

  • 2 km multi terrain running
4 steps to wellbeing
Sleep well

A good night's sleep is an essential foundation for a healthy lifestyle, effective training and weight control.

Train slow

Low-intensity training is easier for you, reduces the risk of injury and helps builds an efficient aerobic system.

Eat natural

Cut out sugar & junk food, reduce carbs, eat natural foods and train your body to burn fat for fuel.

Get outdoors

Fresh air, natural light and reconnecting with nature all help to improve mental and physical wellbeing.