The Fortress Golf Course

Register now for the Suzann Pettersen Amateur Qualifier June 2-3, 2026 at The Fortress Golf Course located in beautiful Frankenmuth, Michigan. The Suzann Pettersen Amateur Qualifier is the official amateur qualifier for the Dow Championship. This single-entry stroke play event includes 36 holes played over two days. Field size will consist of 48 maximum contestants with the winner receiving an exemption into the Dow Championship at the Midland Country Club on June 8-14, 2026. The winner of the qualifier will be able to pick their own playing partner and team up for the Dow Championship, the only team event on the LPGA tour.

Take your game to the next level at our Mizuno Fitting Day on Wednesday, May 27th at The Fortress Golf Course.

During this exclusive event, you’ll work one-on-one with a Mizuno fitting specialist to test and compare the latest clubs in a comfortable indoor setting—dialed in specifically to your swing.

Be among the first to experience the new Mizuno M-13 and M-15 irons, engineered with forged, high-performance technology to enhance both ball speed and feel. The M-13 offers a compact, player-focused design built for precision, while the M-15 features a hollow-body construction designed for faster ball speeds, higher launch, and added forgiveness.

Take your game to the next level at the Titleist Fitting Day at The Fortress Golf Course on Wednesday, May 13th from 1:00 to 5:00 pm.

During this special event, golfers will have the opportunity to work one-on-one with a Titleist fitting expert to test and compare the latest Titleist clubs in a comfortable indoor environment. Be among the first to experience the all-new Titleist GTS Drivers, eight years in the making and engineered to deliver exceptional performance. Our own PGA Head Professional, Kyle Martin, saw an impressive 11-yard gain in carry distance after being custom fit—imagine what the right fit could do for your game.

Take your game to the next level at Callaway Indoor Fitting Day at The Fortress Golf Course on Friday, March 20th from 2:00 to 6:00 pm.

During this special event, golfers will have the opportunity to work one-on-one with a Callaway fitting expert to test and compare the latest Callaway clubs in a comfortable indoor environment. Using advanced fitting technology, the Callaway team will analyze your swing and help you find the ideal combination of drivers, fairway woods, hybrids, irons, and wedges to maximize your distance, accuracy, and overall performance.

Whether you're looking to upgrade your current equipment or simply curious how the newest Callaway technology can improve your game, this is a great opportunity to receive a professional custom fitting tailored specifically to your swing.