Facebook Envelope Instagram Organisation Wämper Musik Wämper FrËnn Celtic Diekirch regulations REGISTRATION charity-partner arrival / camping regulations Règlement Coursehelmet compulsarydrafting racetiming with chipAerobars, clips-on are not alloweddisc brakes are allowed REGISTRATION pre-registration until 13. AUgust 2023http://www.ultratiming.belate registration possible on the day of competition charity-partner arrival / camping