Listings include organizations, headquarters, and number of attendees expected, as estimated by the Toledo-Lucas County Convention & Visitors Bureau:
•Friday-Sunday - Bostwick Braun, Park Inn, 1,000, national.
•Friday-Sunday - 13 Youth Lady Irish Fall Harvest Fast-Pitch Tournament, Maumee Bay Resort, 600, regional.
•Friday-Sunday - Firebird Amateur Radio Club, Clarion Westgate, 100, national.