Buy Mankato RibFest: Tom Keifer tickets for Vetter Stone Amphitheatre in Mankato, MN. The event is scheduled for Fri, Aug 2, 2024 5:00 pm. We have 142 tickets in various price ranges from $28.00 to $101.00 with an average price of $85.00. Make sure to utilize our interactive seating chart to select the perfect seats for your experience.