South Coast Triathlon

Seaford - Martello Fields

Get your place

  1. Sign up at the UK Triathlon website
  2. Get a sponsorship pack from us
  3. Get set and go!

Got a place already?

Request your sponsorship pack and join our team.

Get a sponsorship pack

Join Cancer Research UK at the 2020 South Coast Triathlon and help us beat cancer sooner.

Taking place on the same weekend as the South Coast Half Marathon, 10K & 5K Fun Run, this Triathlon is located on the East Sussex coast line and offers an open water sea swim, a flat, closed to traffic bike route and a scenic promenade run.

Choose from one of the following distances, get your sponsorship pack and help us bring forward the day when all cancers are cured.

Olympic & Relay: 1500m swim - 40k cycle - 10k run

Sprint & Relay: 750m swim - 20k cycle - 5k run

Super Sprint & Fun: 200m swim -10k cycle - 2.5k run

Join CRUK right now and we'll get you to the finish line. We've got training and fundraising advice to prepare you for the big day, cheering packs for your friends and family, and a dedicated team ready to answer any last minute questions. 

Are you a corporate interested in team entry? You can find out more here.

Any questions? Click here to read our most frequently asked questions, which should provide you with all the information you need. Or, you can contact the Sports Team on 0300 123 5461.


Exclusive CRUK Cycling Jerseys and Shorts

We have partnered with Kalas to produce an exclusive eye-catching cycling range. Kalas donate 20% from every sale of this unique design direct to Cancer Research UK.

Support for you

Training plans and advice

We've teamed up with the experts to give you the very best training support and advice for your event.

Set up a Cancer Research UK Giving page

Get help with your fundraising