We will open registrations on UB30: Twenty Lakes Challenge on Sunday 30th November 2025 at 20:30, when we will add a registration form on this website,

Capacity of event: 80 riders

Registration closes: 9th August 2026

You will get an automatic reply to your email, as a proof that your registration was succesful.

***CZ ****
Registrační formulář v českém jazyce najdete zde.

    SURNAME AND FIRST NAME (mandatory)

    YOUR EMAIL (mandatory)

    YEAR OF BIRTH (mandatory)

    NATIONALITY AND HOMETOWN

    PHONE NUMBER OF RIDER
    (with international code)

    PHONE NUMBER ON RIDER´S CONTACT PERSON
    (with international code, for emergency cases)

    NUMBER
    You can write up to 3 prefered number 1-200

    NICK
    What do you want to have written on number, brevet card, cap etc.?)

    ROUTE

    CATEGORY
    Select your category

    COMPANION
    If you want to attend UB30 in a Pairs/Group category, please write a name(s) of your companion(s)

    ACOMMODATION
    Are you interested in being included in the collective reservation of accommodation in Železná Ruda?

    ENTRY FEE
    Do you apply any discount on the entry fee? (For placing in UB30 or UltraBikers Cup 2025 etc.) or do you transfer part of the entry fee for not participating in any of the past UB events? If so, please state the amount and from which event.

    UB30 CYCLING CAP
    Do you want to pay extra 20 EUR for UB30 cycling cap, with your number, nick and flag?

    FINISHERS´ T-SHIRT
    Do you want to pay extra 15 EUR for UB30 "Finisher T-shirt"? If yes, please tell your size, or write "no".

    MERCHANDISING ITEMS
    Do you want to buy some other UB30 merchandising stuff as a memory at the finish line?

    ULTRACYCLING CV
    Please share with us your biggest ultracycling achievements (winning or finishing of prestigous events, performance on 24hours or some bikepacking adventures)

    + write here, if you have any questions 😉

    By clicking on button "SEND" I agree with the rules and propositions of UB30: Twenty Lakes Challenge, with the processing of personal data, with sending of news related to UltraBikers Cup to my email address, and I declare that I participate in the event at my own risk and that I will not demand any compensation from the organizer for any material, financial or health damage caused to me or other people during my participation in this challange