VAST is a member of the Tri State League. The Tri State League is a competitive swimming league designed to deliver quality local swimming meets at an affordable price. This league consists of the following teams located in either Southeastern South Dakota, Northeastern Nebraska, and Western Iowa:
The winter season culminates in the Tri State Championships. The championship meet location rotates on a yearly basis. Swimmers must achieve the minimum standards set forth by the Tri State League in order to qualify to the meet.