2021 AQHA Convention 2021 AQHA Convention Learn more about the 2021 AQHA Convention, which will be held as an in-person business format March 18-22 at the Hyatt Hill Country Resort in San Antonio. This year’s convention will be hosted as an in-person business format. AQHA will not offer virtual options during convention. The 2021 American Quarter Horse Association Convention is slated for March 18-22 at the Hyatt Hill Country Resort in San Antonio. This year’s convention will be hosted as an in-person business format. AQHA will not offer virtual options during convention. View the: During convention, attendees will focus on business initiatives, including committee and council meetings; reviewing member-submitted rule-change proposals; interviewing, nominating and electing new AQHA directors; and electing the AQHA Executive Committee.