Atlantisport-Environnement takes place in Saint-Herblain, west of Nantes in Loire-Atlantique, France, with its next edition set for late March. This event is a nature-oriented sports series, not just a single road race. It features trail running, walking, children's and junior courses, and handisport options for athletes with disabilities. The primary distances offered are 9.5 km, 10.5 km, and 19 km, with the overall program covering a dozen races or hikes across ten disciplines.
The routes primarily traverse green spaces, looping around the Hermeland area towards Indre and following the Herblinoise greenway in the direction of the Loire River. Participants can anticipate dirt paths and natural obstacles like stream crossings and stairs, emphasizing outdoor variety over flat-road speed. The organizers also link the event to sustainable development and promoting sport accessibility for all ages and abilities. Free activities are available alongside the races, and the format is designed to accommodate beginners, families, walkers, trail runners, and disabled athletes with suitable options.