All local Michigan tournaments can be found at www.askfred.net. Check frequently for the latest information.
All sanctioned events require a USA Fencing competitive membership to participate and doing this beforehand at https://www.usafencing.org/membership will save you time at the door. The membership year is August 1st through July 31st.
Need a different way to view this information? The Division has put together this spreadsheet of events.
Note the tabs on the bottom to see the season organized by national, regional, and local events.