Cancer Research UK Strava challenge
Use your Strava challenge 30% discount code and help beat cancer
Congratulations on completing our 13.1 Mile Training Challenge on Strava! Ready to take on your next challenge? Use your 30% discount code to join Team Cancer Research UK to take on one of the UK's best running events.
30% off entry fee discount code: 131MAY
T&Cs apply - please see below for more information
Search our wide range of Cancer Research UK sports events and choose one that suits you
Sign up to your chosen event using your 30% off entry fee discount code: 131MAY
Join Team Cancer Research UK, get support with your challenge and raise money to help fund life-changing research
Find an event that suits you
Great Scottish Run 10k
Date: Sunday 5 October 2025
Terrain: Flat
Join us at one of Scotland's biggest running events, right through the very heart of Glasgow.
Great South Run
Date: Sunday 19 October 2025
Terrain: Flat
Enjoy 10 miles with inspiring history and glorious sea views.
Manchester Marathon
Date: Sunday 19 April 2026
Terrain: Flat
With only 55m of elevation gain, this race is perfect for a personal best.
Robin Hood Half Marathon
Date: Sunday 28 September 2025
Terrain: Undulating
A single looped course past some of the most iconic buildings in Nottingham.
Great Scottish Run Half Marathon
Date: Sunday 5 October 2025
Terrain: Undulating
With a city centre start and finish, join thousands of runners racing through Glasgow.
Already have your own place in an event?
If you've already secured your own place, you can use it to join Team Cancer Research UK and fundraise for our vital work. Make sure you've officially signed up with the event organiser and have paid the entry fee, then there’s no extra cost to join our team.
Why run for Cancer Research UK?
Team Cancer Research UK runners receive
A personalised Cancer Research UK running t-shirt or vest
Support with fundraising and training to help you smash your challenge
Support in the run up to the event and on the day
An official finisher's medal for completing your challenge
Not ready to take on another challenge right now?
There are plenty of other ways to play your part and support Cancer Research UK. From donating, to volunteering and fundraising, check out other ways to get involved.
Terms & conditions
- When you redeem the code 131MAY (“Code”), you are deemed to accept these terms and conditions.
- The Code is for 30% off the entry fee for any running events taking place in 2025 and 2026 that are listed on Cancer Research UK’s website (cruk.org) and that have places available but excluding the TCS London Marathon.
- The Code will be redeemable until 11:59pm on 30th June 2025 and can be redeemed on Cancer Research UK’s website (cruk.org) only by adding the Code to the “Enter voucher code” section on the registration page.
- The Code is available to all residents of the United Kingdom who are aged 18 or over.
- The Code is non-transferable and cannot be exchanged for cash or used in conjunction with any other promotion.
- Places at the events are limited and are allocated on first come first serve basis.
- The Code can only be redeemed once until the time/date stated above.
- Cancer Research UK welcomes wheelchair users to take on challenges for Cancer Research UK. Please note however that not all events for which the Code can be used will be wheelchair accessible. For Cancer Research UK organised events, please see the relevant event page. For other events, please contact the event provider.