Oshkosh YMCA 20th Ave. Posted on October 19, 2024 Location 3303 W. 20th Ave.OshkoshWI54904 Next Event Oshkosh Century Bike Tour - Jun 28 - 6:00 am - 4:00 pm Loading Map.... Oshkosh YMCA 20th Ave.3303 W. 20th Ave. - OshkoshEvents 25.854073 -80.320734 Upcoming Events Oshkosh Century Bike Tour - Jun 28 - 6:00 am - 4:00 pm