RSNC Gold Rush at Smilin' D Arena & Events March 14-15th starting at 8:00am Smilin' D Arena is Now a Proud Producer of the Ranch Sorting National Championships! Our first Show will be in March of 2026! The Ranch Sorting National Championships (RSNC) Gold Rush at Smilin' D Arena on March 14-15 is a competitive western horse sport event featuring fast-paced ranch sorting competitions. This event is part of the arena's year-round, indoor, family-friendly, and climate-controlled, western-style, ranch-sorting, and cutting events.