Fundraise for us at our flagship events

St John Ambulance Cymru couldn’t carry out our lifesaving work without your fundraising support. See our flagship charity events held across Wales listed below. If you have an idea for a challenge of your own? Get in touch with our friendly team, we are ready to help make your fundraising idea a success! Contact our friendly fundraising team on fundraising@sjacymru.org.uk or 0300 201 1999.

CARTEN100

Take on the CARTEN100, a 100-mile Cardiff-to-Tenby cycling challenge on 9th May 2026, and support St John Ambulance Cymru’s lifesaving work by raising a minimum of ÂŁ300. The route offers a mix of stunning scenery, from the bustling streets of Cardiff to the picturesque views of the Welsh countryside and coastline. 

A runner in the Cardiff Half Marathon. He is wearing an orange vest with the St John Ambulance Cymru logo printed on the front, which is what our fundraisers wear.

Cardiff Half Marathon

Lace up your running shoes and join #TeamSJAC for Cardiff Half Marathon on Sunday 4th October 2026! The Cardiff Half Marathon is one of Europe’s largest half marathons and is Wales’ largest mass participation and multi-charity fundraising event.


World Bog Snorkelling Championships

The World Bog Snorkelling Championships is far from your average sporting event – it’s a one-of-a-kind, muddy, adrenaline-fuelled adventure!

10YFAN

Climb Pen Y Fan, the highest mountain in South Wales, ten times within 24 hours!

Great Wall of China Trek

Embark on a 12-day adventure along the legendary Great Wall of China and experience this iconic landmark like never before. You’ll be provided with a comprehensive kit list and training plan, and our fundraising team will be there to support you every step of the way in your fundraising journey.

Eric wearing a bright green 'St John Ambulance Cymru' t-shirt stands outdoors on his Walk Around Wales.

Charity Hikes

Experience the natural beauty of Wales while supporting St John Ambulance Cymru. Whether you’re an avid hiker or a beginner looking for a new challenge, our hikes offer something for everyone. We are partnered with RAW Adventures, who offer a variety of guided open hikes throughout the year. 

Az and Nkosi posing outside before their skydive, standing next to each other in blue skydive overalls. Both are wearing sunglasses and harnesses over their overalls.

Tandem Skydives

Take the leap with a charity skydive in Swansea or Whitchurch, Shropshire and experience the thrill of freefall while fundraising to support our lifesaving work across Wales.

A charity athlete celebrates crossing the finish line of the IRONMAN Swansea 70.3.

IRONMAN Wales and IRONMAN Swansea 70.3

Swim. Cycle. Run. Become a Charity Athlete for St John Ambulance Cymru and  Conquer Wales’ most iconic triathlon events.

three men in paramedic uniforms pose outdoors on a paved area near grass and water, with two people in character costumes standing between them. One costume is of Sonic the Hedgehog, giving two thumbs up, and the other is Fireman Sam with hands on hips. The sky is blue with some clouds, and there is a coastline in the background.

Have an idea for a challenge of your own?

Get in touch with our friendly team, we are ready to help make your fundraising idea a success! Contact our friendly fundraising team on fundraising@sjacymru.org.uk or 0300 201 1999.