LONDON T100 TRIATHLON 2025

Take on one of the biggest and best triathlons in the world in 2025 in London! With various individual and relay options to choose from, there is something for everyone.

When

Saturday & Sunday 9th-10th August 2025

Where

London

Distance

Multiple options listed below

Fundraising target

Set your own!

Registration Fee

Ranging from £100 to £300

HOW TO TAKE PART

The London T100 Triathlon is one of the largest city centre triathlons in the world, and accommodates everyone from professional triathletes to those trying their hand for the first time!

The distance options range from:

T100: 2 km swim, 80 km bike, 18 km run

Olympic: 1.5 km swim, 40 km bike, 10 km run

Sprint: 0.75 km swim, 20 km bike, 5 km run

You can take part on your own or get a team together to tackle the challenge – it’s totally up to you. 

If you are interested in taking part, first you will need to register your interest for the event directly on the T100 Website. You can also get in touch with our Supporter Care & Admin Assistant Craig at Craig@WeSeeHope.org.uk for more information!

HOW TO TAKE PART

The London T100 Triathlon is one of the largest city centre triathlons in the world, and accommodates everyone from professional triathletes to those trying their hand for the first time!

The distance options range from:

T100: 2 km swim, 80 km bike, 18 km run

Olympic: 1.5 km swim, 40 km bike, 10 km run

Sprint: 0.75 km swim, 20 km bike, 5 km run

You can take part on your own or get a team together to tackle the challenge – it’s totally up to you. 

If you are interested in taking part, first you will need to register your interest for the event directly on the T100 Website. You can also get in touch with our Supporter Care & Admin Assistant Craig at Craig@WeSeeHope.org.uk for more information!

HOW WE WILL HELP YOU

We will do our very best to ensure your triathlon experience is a memorable one, supporting you with:

• A WeSeeHope t-shirt.

• Training and fundraising tips to help you reach your targets, whatever they may be!

• Regular content about our work so you can update your supporters.

HOW YOUR SUPPORT COULD HELP

£
0

could help six children to access a pre-school education for the first time.

£
0

could enable an out-of-school teenager to take on a tailoring or carpentry course.

£
0

could fund sports tournaments for 280 young people living on the streets.

HOW YOUR SUPPORT COULD HELP

£
0

could help six children to access a pre-school education for the first time.

£
0

could enable an out-of-school teenager to take on a tailoring or carpentry course.

£
0

could fund sports tournaments for 280 young people living on the streets.

Discover ways you can boost your fundraising efforts