Welcome to Jm Performance Horses

JM Performance Horses is owned and operated by Jarrod and Meaghan Shea Grieve.  Located in Eureka, Montana on the historic Shea Ranch.
Situated on the Shea Ranch of over 1000 acres.  Meaghan and Jarrod have built a great training and boarding facility for the horse enthusiast.  We have 22 stalls, and indoor arena, round pens, numerous turn out pastures, a large outdoor arena and lots of hills and trails to ride on.  Jm offers training specializing in reining futurity and derby horses, non pro instruction,  breeding, sales and a great youth program.