Sonic 100k Challenge


NOTE: You are signing up for an event, the medal is the reward for every finishing entrant! You will receive the medal once you have submitted your evidence!


Event Distance: 100KM (combined multi distances are accepted)
Event Timeline: To be completed in ONE MONTH (you choose the month)
Event Venue: Anywhere in the WORLD!


Once you have completed the event, please return to the website or email us at and upload your evidence to receive your digital finishers certificate.

Don’t forget to tag us and use the hashtag #FluxVirtualEvents on our Facebook and Instagram


We will select a Charity where €2 of the registration cost goes to a charity once the challenge ends or sells out. (We are currently deciding a Charity)

118 in stock

Race Waiver * 

You can find the Race Waiver HERE


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