What is The May 50K?

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The May 50K is a community fitness and fundraising challenge for the MS International Federation's and MS Canada's research and access to treatments projects. We are challenging people to walk, run or roll 50 kilometres throughout the month of May to raise funds for life-changing research into MS, and an international initiative to improve access to vital treatments for everyone affected by the disease - no matter where they live.

Your donation will help to accelerate this work within MS Canada and the MS International Federation creating both national and global change!

Who runs the May 50K?

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MS Canada and the MS International Federation lead the event in Canada. This means that 70% of the money you raise will go to the MS Canada's projects and 30% will go to the MS International Federation. These projects will focus on MS research and access to treatments meaning every donation you get or make will change people’s lives nationally and globally.

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How much does it cost to register?

It’s completely free to register and participate in The May 50K. You can sign up here and leave your limits behind this May!

When and where is The May 50K?

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The May 50K is an online fitness challenge which runs for one month from 1st to 31st May 2023. You decide where and when to complete your challenge.

Can I do this safely?

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The May 50K is a virtual fitness and fundraising challenge, which is highly interactive and can be completed on your own anywhere in Canada, with minimal risk to others – even in the comfort of your own home, garden or local park. 

Raising funds for life-changing MS research and improving access to effective treatment are now more important than ever. With all that has been happening in recent years it is crucial that we remember the importance of funding medical research, and that people living with MS still need access to better treatments, prevention and ultimately a cure. We now need your help more than ever!

It’s important that we stay fit and healthy by looking after our physical and mental well-being. The May 50K is a great way to combine the two! Get active, stay connected as a community and help us keep driving the change that we all want to see, freedom from MS.

Let’s come together as a community to show that nothing will stop us from leaving MS where it belongs, behind us.

What do I have to do?

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Wherever you live, whatever your fitness level, you can decide when and where to complete The May 50K. Really don’t like to run or walk? You could complete the challenge in a way that works best for you. If you are a wheelchair user, you can just click the "roll" option and adjust the kilometres in a way that will be challenging for you. Setting a challenging personal goal will make it more likely others will sponsor you.

Can I swim or cycle my May 50K?

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Absolutely! It’s up to you to decide where or how to complete The May 50K.


Where do the funds go that I raise?

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MS Canada is teaming up with the MS International Federation so the money you raise will fund local and international projects. In Canada 70% of the money you raise will go to national projects and 30% will help to fund life-changing research and access to treatment projects around the world. You can find out more here: About Us.

Through research we will help end MS forever, and until then we are ensuring that people have the essential care and treatment that makes life with MS more bearable.

Thank you for helping us leave MS where it belongs, behind us.

How do I update my fundraising goal?

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Login to your The May 50K account and head to your dashboard. Click on ‘Edit my page’ and update your fundraising goal.


Are my donations Tax Deductable?

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In 2023, MS Canada has joined The May 50K and money raised will be paid directly to them, and processed by them. This means that Canadian residents donating to participants in The May 50K Canada may be eligible for tax receipts subject to local laws and conditions.


My Fitness Activity

How do I log my kilometres online?

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Please click here for detailed instructions on how to link your fundraising page to your fitness app.

You can log your kilometers in two ways:

  • Link your page to a fitness tracker or app

We are linked to FitBit, mapmyfitness, , Garmin and Strava to automatically sync with your fundraising page and add to your kilometre tracker each time you record an activity.

You can use your smartphone to download FitBit, mapmyfitness, Garmin or Strava to get started. After creating an account with your preferred app, login to your The May 50K account and head to the ‘My Fitness Activity’ tab to connect to your fitness app.

Please allow 24 hours for your activity to show up on your fundraising page.

  • Log your kilometres manually

To log kilometres manually, simply login to your online fundraising page and head to the ‘My Fitness Activity’ to record your activity.

Can I start recording my kilometres in the lead up to May?

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You certainly can! But we will reset your kilometres to zero before the 1st of May 2023.