With Penrice Castle as your basecamp, the Gower Peninsula Ultra Challenge is a fantastic way to explore this stunning corner of Wales. The 100km route follows two loops across the peninsula, taking in its varied landscapes and beautiful coastline. Choose to walk, jog or run, with distances of 10 miles, 25km, 50km, 75km or 100km available, so you can find the right challenge for you.

As Breast Cancer Now is an official charity partner, you can register for just £10 when you sign up to support us at the Gower Peninsula Ultra Challenge. Simply use code BCNDEAL10 when registering. This offer is available until 30 November 2026 and excludes the 10-mile distance.

What you'll get:

• Inclusive and fun event with a great atmosphere and camaraderie

• A fully signed route, with a team of ‘Trekmasters’ out on the trail with you

• Regular covered rest stops, with free food and drink, massages and medics

• An epic finish line moment, with a glass of fizz, medal and t-shirt

• Camping, transfer and parking options to make getting there and away easy

• Full fundraising support, and a choice of fundraising options