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Take on the original 50 km challenge and smash your goals to leave MS behind.
Double up to 100 km and take it to the next level to make MS a thing of the past.
Reach triple threat status and conquer 150 km to show MS who's boss.
Set your personal fundraising goal to support vital research to leave MS where it belongs, behind us.
When you raise $300, you'll receive a FREE The May 50K t-shirt!
I agree to the MS Event Terms and Conditions.*
The May 50K is an international campaign by the MS International Federation, so unfortunately it is not possible to claim tax benefits on donations outside of the UK. Thank you for being an absolute hero!
How it Works
MS International Federation