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