AJ Bell London Triathlon 2018

Join us

Attracting over 13,000 participants, the AJ Bell London Triathlon has become a must do event. With a variety of distances, routes and wave categories, it doesn't matter whether you've never done a triathlon before or are an Olympic champion, there’s something for all abilities and ambitions.

How to enter

Macmillan charity place

Secure a charity place today by hitting the 'Get a place' button. There is a £1 registration fee* and we ask you to pledge to raise a minimum of £500 to support people living with cancer.

Sign up as a team

Grab two team mates and sign up for the Sprint Relay or Olympic Relay. Each team member will complete one of the disciplines. To sign up, the team captain needs to complete our 'Get a place' registration form and select 'Team Relay - team captain' from the distance list. Registration is £1 per team and your fundraising pledge is £500 per team.

Get your own place

Public entry for the London Triathlon 2018 is now open at the 'official race website'. If you have your own place in the event we'd love for you to join the team. Once you've secured your own place hit the 'I have my own place' button. There's no fundraising target, just raise as much as you can.

What distances are there?

Super Sprint - 400m swim, 10km cycle and 2.5km run
Sprint - 750m swim, 20km cycle and 5km run
Sprint Relay - 750m swim, 20km cycle and 5km run
Olympic - 1.5km swim, 40km cycle and 10km run
Olympic Plus – 1.5km swim, 80km cycle and 10km run
Olympic relay - 1.5km swim, 40km cycle and 10km run

What do I get as part of #TeamMacmillan?

  • Free Macmillan vest or t-shirt to wear
  • Macmillan tri belt and swimming cap available to order for free
  • Dedicated triathlon training and fundraising guide
  • Access to our online training zone
  • 50% discount on membership, an online triathlon coaching service
  • And of course... the loudest and most supportive cheerers on the course!

    Most importantly we will provide you with a reason to put in those months of training and fundraising, because you know that your efforts are going towards improving the lives of people living with cancer in the UK today.

    Have a question?

    Phone 0300 1000 200

    Kick start your fundraising

    Set up your JustGiving Page today.

    Volunteer With Us

    If you have any family and friends who'd like to come and support you on the day, we'd love them to join our volunteer team! To find out more detials email

    *(the registration fee is payable to Macmillan Cancer Support Trading Limited which is a wholly owned subsidiary of Macmillan Cancer Support. Macmillan Cancer Support Trading Limited donates 100% of its profits to Macmillan Cancer Support each year).

I have my own placeIf you have your own place, join Team Macmillan today
Get a placeTo secure a place you pledge to raise £500 in sponsorship and pay a £1 registration fee

'Every time I came running round the corner on the last leg, you guys kept me going.'

Steve, Team Macmillan athlete

More in this section

Organise your own event

Get your plans rolling. We've got advice, support, materials and fundraisers who'd love to help you create a great event.

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Go your own way

If you've decided to take on a different challenge for Macmillan, we'd still love you on the Team.

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Make your event a success

Have a look through the latest news, tips, advice and support from our fundraising team. Whether you're cycling, swimming, running of trekking, we've got some top tips for you.