Valiant Marathon du Jura

The Valiant Marathon du Jura (Marathon du Jura) returns for its 3rd edition on 14 June 2026, inviting runners to tackle a scenic and demanding course through the valley of Delémont and the surrounding Jura mountains. This endurance event combines varied road terrain with mountain views and river valleys, offering marathon, half-marathon and a 14 km race options for different levels of runners. The race is presented as more than a competition, emphasising an adventurous experience and the personal achievement of finishing in a distinctive Jura setting.

Logistics centre on Delémont with the stated marathon departure from Place de la Gare (Arche Valiant) and practical services including bib pickup, a secure bag drop, multiple aid stations and participant T-shirts. The event takes place within the SlowUp Jura framework and offers free regional train travel for participants, a lively zone of animation at Delémont station and prize awards for top finishers in the main categories. Entrants are advised to consult the official event pages for full practical details such as schedules, transport arrangements and detailed course information.