The 2017 Open Class World Championships Prelims competition takes place at Ames Field in Michigan City, IN on Monday, Aug 7. Lineup and Times (CDST) 3:00 p.m. – Gates Open 3:45 p.m. – Welcome and National Anthem 4:00 p.m. – Les Stentors - Sherbrooke, QC4:17 p.m. – Impulse - Buena Park, CA 4:34 p.m. – Shadow - Oregon, WI  4:51 p.m. – Colt Cadets - Dubuque, IA5:08 p.m. – Raiders - Burlington, NJ5:25 p.m. – Intermission (34 min.)5:59 p.m. – Southwind - Mobile, AL 6:16 p.m. – River City R