Join the race - Fast, Flat & Windy

Secure your 2p-relay spot for the North Sea Ultra 2025.
10 May 2025 - 111km around the German island of Sylt.
The North Sea Ultra is a UTMB® World Series Index Race.

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Index-100K
Index-50K
Early I:
Early II:
Regular:
199 € until 31.10.2024
229€ until 31.12.2024
249 €
All prices incl. 19 % VAT