Introducing our race partner: IONTMAX

Created: 2026-05-07 16:40

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IONTMAX focuses on personalized functional hydration based on real sodium and mineral losses through sweat during performance. It’s not just about drinking fluids, but about giving the body exactly what it actually loses under load.

They build on natural products without unnecessary additives and solutions that work in real conditions – both in training and during races. Part of their approach also includes hydrogel-based nutrition, which helps the body absorb energy more efficiently and gently. This reduces digestive strain, lowers the risk of stomach issues during performance, and allows for more stable energy intake over longer efforts.

We’re happy to have IONTMAX as part of the race and to support athletes in both performance and recovery.

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TJ Maratonstav Úpice, beauftragt von WMRA, dem Tschechischen Leichtathletikverband und der Tschechischen Berglaufvereinigung, unter der Schirmherrschaft der Stadt Janské Lázně, der Stadt Úpice und mit Unterstützung freundlicher Sponsoren