Registration 2026 opening soon!

Registration is only available online. Accepted payment methods are card payments and digital exercise benefits. Registration opens in December 2026 and closes on July 2, 2026. Late registration at the event venue is not possible in 2026.

Dirty Sipoo does not offer cancellations of participation rights. In case of illness, you may transfer your participation to the following year with a medical certificate. You may also freely transfer your participation to another person before the event day.

Only regular, muscle-powered bicycles are allowed in the race. Participation on E-bikes is limited to the hobby categories.