Taking on a challenge is not only really satisfying, it’s also a great way to raise funds for us!

If you have already entered a challenge or are planning some sort fund raising event you can raise money for us by uploading the details on our Just Giving Page. This is a great way to support us and it doesn’t matter whether you are planning to hold a zoom quiz or jumping in the sea for a cold water swim with friends. Let us know what you are doing by email and we will do what we can to help by promoting your event on our social media channels.

Looking for a challenge – to test yourself, to get in shape, or bond with friends on a weekend adventure? If so, an Ultra Challenge is for you – and you don’t need to be a budding elite athlete – they’re for everyone, take it on at your pace!

Whether along stunning coastlines, or trails through wonderful countryside, your Ultra Challenge will be unforgettable – with full support all the way, camaraderie, an amazing sense of achievement, and all in support of Just One Ocean.

Take on a challenge at your pace and fundraise for your favourite charity! Whether along a stunning coastline or on trails through magnificent countryside, you’ll get full support all the way – including plenty of food & drink, medics & massage, camaraderie, a medal & T shirt – and an amazing sense of achievement. With 20 events to choose from, and distance options ranging from 10 km up to the full100 km – there’s an Ultra Challenge waiting for you in 2026.
EARLY BIRD DEAL ON NOW – SAVE ££’s

Click to view the full list of Ultra Challenges and sign up.

24 or 25 Jan 2026

28 Mar 2026

18 Apr 2026

2-3 May 2026

16-17 May 2026

23-24 May 2026

6-7 Jun 2026

13-14 Jun 2026

20-21 Jun 2026

4-5 Jul 2026

18-19 Jul 2026

25 Jul 2026

1 Aug 2026

22 Aug 2026

5-6 Sep 2026

12-13 Sep 2026

11 Sep 2026

12 Sep 2026

26 Sep 2026

10 Oct 2026

24 Oct 2026