Woulib 113 Xtrem - Schoelcher is a solidarity adventure raid held in Le Morne Rouge, Martinique, in late March. The course begins at Cap 21, situated below Montagne Pelee and its surrounding forests. Participants can choose between two trail distances: approximately 54 km with 2,074 meters of elevation gain, or about 32 km with 1,103 meters of elevation gain.
The event serves as the fifth leg of the Martinique Trail Tour, attracting runners seeking a demanding island trail competition. It also launches the Chimen Lavi project, a collaboration with the Martinique committee of the Cancer League and the municipality of Le Morne Rouge, underscoring the event's charitable and community focus alongside the mountain running aspect.