London Senior League

We’re delighted to announce that the London Triathlon is now included in Triathlon England’s London Senior League! Get involved with the World’s Biggest Triathlon, race on closed-roads through spectacular Central London and win points for yourself and your club.

The qualifying event will be the Olympic distance on both Saturday and Sunday. What’s more, if you sign up to the Olympic distance on Saturday 27th July, you’ll have the option to compete in a London Senior League specific wave and race head to head with other London Club members… so you really can go all out to compete for the top spot!* 

To enter the London Senior League, simply enter the event via the button below and when prompted please include your full club name, spelt correctly, so that your results can be tracked. And not only that, but you can get 20% off either Olympic distance using the code LONDONLEAGUE20.

If you have already entered the event and did not include your club name on the registration form, please follow the steps below to be assigned to your club:

  1. Go to
  2. Login to account
  3. Find the London Triathlon event in your list
  4. Click on Edit Registration to access your personal information
  5. Find the London League question and enter your club name as a response
  6. Scroll to the bottom and continue to save

*London Senior League specific wave will be capped at 158 participants. Places will be allocated based on registration date on a first come, first serve basis. 

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