Date: 13 Dec 2026

City: Tulsa, Oklahoma, United States

Venue: Ruffin Convention Center

Address: 1902 East 71st Street, Tulsa, OK, 74136

Coordinates: 36.060061, -95.961829

Organizers: Michael S. Lander,Southern Cubing LLC,Robbie Shimabukuro,Kiely Shimabukuro

Competitor limit: 55

Unofficial events from Tulsa Unorthodox Blocks Winter 2026. For official events see the official WCA competition page.