FKT: Erik Clavery - Grande Traversée du Jura (GTJ) (France) - 2026-09-25

As the actual track doesn't always match the GPX route, there are some minor variations. You will also notice several out-and-back sections caused by my own errors. Additionally, on five occasions, I encountered forestry work and closed paths that forced me to take a few detours, though none were significant. The route was completed entirely unsupported; I carried all my own food and gear without any outside assistance or pacers, relying solely on fountains and taps for water.