20th anniversary event planned

The Transju’Trails is preparing a 20th-anniversary edition on June 5 and 6, 2027, organized in the Jura Mountains. This natural running event will feature eleven formats, ranging from short races to long distances, including hiking.

Diverse race options available

For the 2027 edition, the organizers announce eleven events with distances ranging from 5 to 110 km. Participants can register individually, in relays, or choose hiking, depending on the formats offered.

Scenic routes across the Jura

The routes are intended to allow participants to discover several natural sites in the Jura massif. Runners will cross forests, follow lakes, and use trails up to the summits of Dôle and Noirmont, offering views of Lake Léman and the Alps range.

Combined weekend format

A combined format will allow participants to run two distances during the weekend: 25 km on Saturday, then 42 km on Sunday. The event will also offer several long-distance routes for runners wishing to take on an endurance challenge.

Longest distance announced

The ultra-trail of 110 km is the longest distance announced for this edition. With formats ranging from a few kilometers to more than 100 km, the event aims to maintain a diverse offering suitable for different participant profiles.

Record attendance in 2026

The previous edition gathered nearly 7,000 participants, an unprecedented level of attendance for the event. The organizers hope to continue this momentum in 2027 and anticipate strong demand for bibs.

Promotional campaign underway

In their press release on October 12, the organizers stated, "Over 20 editions, thousands of enthusiasts have come to run the trails of the Jura Mountains to experience more than just a race." They highlight the landscapes, the diversity of routes, and "the Transju’ spirit."

Registration details available

Registrations have been open since October 8, 2026. A promotional campaign is planned for the launch: the first woman and the first man registered, across all races, will receive a free bib. The first preferred rate is announced until March 29, 2027. Interested runners can find registration details and information about the different events on the official event website, www.latransju.com.