20km of Brussels, 30 September 2020 at 9:00am

Who doesn't know someone affected by breast cancer ?

Help save lives by running or walking 28,800 strides to find better ways to treat and hopefully cure this terrible disease in the future.

28,800 strides correspond to 20 km … and €28,800 finances the participation of one patient for up to 10 years in BIG's "Metastatic breast cancer GPS" study (scientific name: AURORA).

To register

The participation fee is €28.80 per person. With this sum, 100 runners can finance the participation of a patient for 1 year in BIG's "Metastatic breast cancer GPS" study.

This registration includes :

  • Your registration (guaranteed with the organizers of the 20km)
  • Your bib
  • A customized BIG against breast cancer T-shirt
  • Refreshments and healthy snacks

Once registered, you create your own fundraising page to have even more impact. You agree to raise a minimum of €50* from your family, friends and/or colleagues to support research. 

(*Donations greater than or equal to €40 per year are tax deductible for Belgian residents).


What is my impact if I run or walk for BIG ?

By running or walking for BIG, you contribute to saving lives by accelerating research on metastatic breast cancer, which will help us develop better treatments in the future.

  • BIG is the world's largest network of academic research groups dedicated to finding cures for breast cancer.
  • 94,7% of the funds raised by BIG are directly allocated to research.

Practical information:

  • 9:00 am -  Welcome by the BIG team at our stand 150m from the start. (You can leave your belongings there, collect your bib, receive your customized BIG T-shirt and have a healthy snack after the race).
  • 10:00 am - Start of the race (Parc du Cinquantenaire – 1000 Bruxelles)

For any questions, contact us: