horse built for speed

missy is a sorrel appendix mare who is 4. 15.2 hands and very sweet. she can be reg just needs papers sent in. missy when we got her was a shy mare but now she walks right up to u in the pasture and loves attention. easy to catch and will walk right beside u and stop when u do. she picks up her feet pretty well. she lunges and backs. she knows to to disengage and ties with np. she has been ponied down the highway and had no issue. MISSY ALSO KNOWS how to bow and is super easy to teach things to. she has been started under saddle. she goes and turns well in a halter while being rode. still green though. asking 750 for her and that's not neg. she would make a great omoksee or barrel horse she has lots of speed. could prob jump with proper trainin