O Trail da Raia é um evento de trail running transfronteiriço com percursos elaborados por caminhos rurais e pelos trilhos utilizados outrora pelos contrabandistas de Portugal e Espanha. Integram este evento, quatro provas competitivas : Ultra Trail de 45 km, Trail Longo de 32 km, Trail Curto de 17 km, Mini-Trail e Caminhada de 12 km.
The Trail da Raia is a cross-border trail running event with routes laid out along rural paths and trails once used by smugglers between Portugal and Spain. This event includes four competitive races: a 45 km Ultra Trail, a 32 km Long Trail, a 17 km Short Trail and a 12 km Mini-Trail - Walk