The Retriever Activities Center (RAC) & Arena originally opened in 1973 as a 4,000+ seat arena but with the expansion in 1999, now has added 52,700 square feet that includes a new, 18,463 square foot multi-purpose gymnasium, a 3,257 square foot recreational weight room, an additional 2,526 square foot auxiliary gymnasium, a 2,191 square foot lobby, as well as fifteen additional offices, two conference rooms, and new locker rooms.