Join Now GRIT Training, LLC Fitness GRIT Training, LLC Visit Website 2625 Courthouse Circle Flowood, MS 39232 (601) 487-2443 Hours: Mon-Thurs: 4:30AM-9PM Fri: 4:30AM-8PM Sat: 7AM-7PM Sun: 11AM-5PM *After Hours Available* About About GRIT Training is a revolutionary high performance training facility that bridges the void between warehouse gyms and generic fitness centers.