May 30 – June 1: CSHA competition at the Diamond Bar arena in Ceres

June 5 – 8: Horse Expo at the Murieta Equestrian Complex 

https://horsexpo.com/

June 19 – 21: WSEDTA competition in Reno, NV

September 18 – 21: Draft Horse Classic at the Nevada County Fairgrounds

https://www.nevadacountyfair.com/p/draft-horse-classic