St. Mary’s Oktoberfest 2026 is a three-day parish festival in Alton featuring food, beer, live music, games, raffles, Mass, and family-friendly activities. The event supports St. Mary’s parish, school, and community life and takes place October 9–11 at the St. Mary’s School grounds.
Visitors can enjoy a full weekend of festival attractions, with Friday night also featuring a 5K and 1 Mile Fun Run. General admission is free, with food, drinks, raffles, games, wristbands, and race registration available for separate purchase.
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