2026 XTERRA Alxa Desert Challenge Sep 13, 2026 · Alxa 15K: 14.2 km · climb 215 m · cutoff 4 h · entry fee —35K: 37.1 km · climb 310 m · cutoff 10 h · entry fee —50K: 51.47 km · climb 690 m · cutoff 13 h · entry fee — Back to Trail Running in China home