📌 Training Tip of the Week The Spartan Z Wall is a horizontal bouldering obstacle made up of three walls angled in a “Z” formation with two-by-four blocks of wood attached. You step on and grab these blocks while moving horizontally across and around corners to ultimately ring the bell. Each wall is approximate eight-feet wide, and you cannot touch the ground. This common Spartan race obstacle requires grip strength, mobility, and coordination. Racers who fail it often aren't gripping correctly