Sat 13 Sep 2025 Llanberis, Gwynedd, UK Fundraising required

Defeat the Peak | Yr Wyddfa (Snowdon) by Day Challenge

Make a mountain of difference to people living with cancer. Beginning in the heart of Snowdonia, this challenge will see you trekking to the top of Snowdon!

  • Sat 13 Sep 2025
  • Fundraising required
Llanberis, Llanberis
Defeat the Peak | Yr Wyddfa (Snowdon) by Day Challenge

09:00

Age 14 & over

Registration fee

£45.00

Minimum sponsorship

£300.00

Registration fee

£45.00

Balance

£165.00

  • 15 km hiking + 1000 m ascent

Event overview

Join Macmillan and take on Yr Wyddfa (Snowdon) by Day on this Macmillan-only trip to support people living with cancer.

Beginning in the town of Llanberis, in the heart of the Snowdonia National Park, this spectacular challenge will see you and fellow fundraisers trekking to the top of Snowdon!

You will be fully supported all the way by experienced Mountain Leaders and then celebrate at the finish line with a celebratory ice cream.

This challenge will test your physical and mental limits, but your efforts will be rewarded by knowing that all your hard work is going towards raising money to help your chosen cause.

Highlights

  • A one-day challenge in the rugged Welsh landscape
  • Summit the highest peak in Wales, the famous Snowdon at 1,085m
  • Beautiful views and landscapes of the heart of Snowdonia
  • Raise money for Macmillan Cancer Support and make a difference

Take on the climb and raise money with Macmillan.

Event details

  • Average fitness
  • Teams

Route

  • First aid
  • Food stations
  • Marshals
  • Mountainous
  • Out and back
  • Single start
  • Traffic free
  • Water stations

Location

  • Mountains
  • Rural

What's included

  • Medal
  • Technical t-shirt
  • Training plan

Sustainability

  • Sustainability policy

Fundraising

  • Fundraising materials
  • Fundraising required
  • Fundraising support
  • Submit fundraising up to 1 month after event

How to enter

  • Age 14 & over
  • Enter online
  • Fundraising required

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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.