Exploration of the quality of participation in an inclusive ultra-trail initiative for people with a disability: a qualitative ethnographic study. - Ouellet, Raphaël; Seroussi, Juliette; Bédard, Joanie; Berthiaume, Jade; Sévellec, Éric; Routhier, François; Flamand, Véronique H.; Best, Krista L. (Frontiers in Sports & Active Living, 2026)