Cycle 300
Join the challenge
Cycle 300 miles from 1st to 31st July to support life-saving cancer research. Take on the challenge in a way that suits you!
It's free to sign up and you'll receive:
- FREE tech tee and snood
- Digital fundraising pack
- Online Giving Page
How to take part
£70 could fund a clinical research grant for one day, funding doctors and nurses to find new ways to beat cancer.
£130 could fund a cancer nurse for one day, giving people confidential cancer support and guidance.
£170 could fund a trial for one day to test new radiotherapy techniques for treating bile duct cancer.
We've got lots of tips and resources to help you get started and reach your fundraising target.
Get fundraising support
We recommend a fundraising target of £150, but no matter how much you raise you're supporting life-saving cancer research. Our fundraising hub has everything you need:
- Fundraising tips and form
- Milestone badges and certificate
Join the community
Meet others taking on the challenge and find support and motivation by joining the challenge Strava group.
Ask questions, share your journey and celebrate your successes.
Prepare for the challenge
Need some help with preparing? Our training guide and calendar will help you get ready for your challenge so you can cross the finish line.
Download your challenge calendar
Yes! Each participant will need to register individually but you can take on the challenge as a team and split the activity up as a group, or all complete 300 miles across the month. You can also set up a Team Giving Page and invite other registrants to join via the Cancer Research UK online fundraising site.
To set up a team:
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All your team will need to sign up to the Cycle 300 Miles Challenge so they each have their own online Giving Page
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Once everyone has signed up, log into your account
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Hit the 'Create new team' button and follow the instructions
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Once you've created your team, you can send the team page URL to friends and family so they can join too!
Yes! If you don’t have Strava, you can set up a Cancer Research UK online Giving Page using the link below and collect sponsorship for your Cycle 300 Miles Challenge here: https://activities.cancerresearchuk.org/cycle-300-challenge-july-2025
We trust you! You don’t need to provide evidence that you’ve completed the challenge to us. Updating your friends and family on your online fundraising page is important. Make sure you keep them posted on your progress and share videos and photos – the more updates the better. Supporters who regularly post their progress raise 40% more on average.