Impérial Trail Fontainebleau

Impérial Trail Fontainebleau is a multi-format trail running event held in the Forêt de Fontainebleau, centred on a flagship long-distance race alongside shorter formats and a children’s offer. The series page and event pages present five distinct races (70 km, 46 km / Marath’bleau, 25 km / Trophée Philippe Mahut, 13 km / L’impératrice and a children’s kilometre) and link to registration and results via Pro Timing. The organiser brand is presented as Impérial Trail (organiser listed as Tri Aventure on some listings), and the site provides practical information, regulations and result pages for the 2026 edition.

The series announcement states registrations for 2026 open on 4 May at 12:00 and points entrants to dedicated event pages for maps, rules and bib collection details. The event branding emphasises forest single-track terrain through the protected Fontainebleau massif and a weekend of multiple start times and cut-off provisions. For full course plans, GPX and detailed regulations the site directs participants to each race page and the Règlement / Infos pratiques sections.