Why were Mongol armies able to move so quickly?

The rapid movement of Mongol armies under Genghis Khan was primarily due to their highly efficient logistics, discipline, and reliance on cavalry.12

Key factors contributing to their speed included:

• Horse-Centric Mobility: Each warrior maintained a string of six to eight hardy, agile Mongolian ponies, allowing them to rotate mounts and maintain a high pace over long distances.31
• Austerity and Self-Sufficiency: Mongol soldiers were trained to subsist on minimal rations, such as dried meat and curds, and could even draw blood from their horses for sustenance, reducing the need for slow-moving supply trains.1
• Strategic Organization: Armies were organized into widely separated columns that moved across the landscape to exploit grazing lands, only converging at high speed upon the enemy from multiple directions.1
• Communication: Maneuvers were coordinated through a sophisticated messenger service and signaling, ensuring precise, rapid movement.2
• Light Equipment: By keeping baggage to a minimum and standardizing lightweight equipment, the Mongols maintained a level of mobility that allowed them to outmaneuver sedentary forces.1