Loading Events

Set in the stunning Gower Peninsula – the UK’s first Area of Outstanding Natural Beauty and famous for its golden beaches, limestone cliffs, wild moors, ridges, and woodlands. Our basecamp is in the grounds of the historic Penrice Castle, with weekend camping options and the 100km challenge is a figure of 8 route made up of west & east loops which take in the best of the Peninsula, its history, and its varied, unique landscape. With 75km,  50km, Marathon, 25km, and 10K challenge options, as well as a bar & entertainment at basecamp – this event will be the highlight of the season!

Sponsorship: Different options available.

What you’ll get from Leukaemia UK

  • Leukaemia UK running vest
  • Challenge pack, including sponsorship forms and helpful training and fundraising advice
  • Dedicated support from our fantastic fundraising team

Interested? Contact Hanna on fundraising@leukaemiauk.org.uk or sign up here

Event details
When
18 July 2026 - 19 July 2026
Where
Gower Peninsula
Sponsorship
Different sponsorship options available
+ Add to Google Calendar + Add to iCal

Similar events

The Henley 10K: September 2026

The Henley 10K: September 2026

The Henley 10k is alongside the Thames Path Challenge’s main finish venue. It’s a fabulous 10 km loop through Remenham countryside with a start / finish near Henley Bridge on Sunday morning. Take it on as a Walk, a Jog, or as a Run – and get your family and friends involved. Our Henley riverside base camp is a great location for a ‘Mini Challenge’ and with an optional finishers meal, a ‘Toddler 2K’ fun event – there is something…

Bath 50: March 2026

Bath 50: March 2026

Was a great opener to the 2025 Ultra Challenge season – and received fantastic reviews! Centred on this elegant historic city, take on a 50 km Ultra, a testing 29 km, or a sharp 10 km challenge at your pace! From our Bath Racecourse basecamp 2000 adventurers will head out on looped routes around & through Bath – with fantastic panoramic views, past the famous Royal Crescent, along the River Avon and taking in many of the city’s sights &…

North Yorks: June 2026

North Yorks: June 2026

Set to be one of the greatest Ultra Challenges – basecamp is in Scarborough – famous for its Fair, and a popular seaside spa since the 17th century. The route heads around the town & beaches, past the castle and then north along the Cleveland Way, with a stunning & historic coastline up through Robin Hood Bay and onwards to Whitby, of Captain Cook & Abbey fame, and our welcome halfway 50km stop. For full 100km challengers, it’s inland along…