When imagining medieval warfare, the image of a heavily armored knight charging atop a powerful warhorse often dominates popular culture. But how accurate is this portrayal? Recent scientific research has begun to pierce the veil of myth, using archaeological evidence and biomechanical analysis to assess the true capabilities of horses used in combat during the Middle Ages. Far from the towering destriers of legend, the reality appears far more nuanced—and grounded in the practical limits of equine biology and medieval husbandry.
A multidisciplinary study published in 2023 by researchers from the University of Exeter and the Museum of London Archaeology analyzed horse remains from multiple archaeological sites across England, dating from the late Saxon period through the end of the medieval era. By examining skeletal measurements, pathology, and wear patterns, the team sought to reconstruct the size, strength, and workload of horses that carried knights into battle. Their findings challenge long-held assumptions about the scale and power of medieval warhorses, suggesting that most were significantly smaller than modern draft breeds and likely incapable of sustaining the dramatic charges depicted in films and manuscripts.
The study, published in the International Journal of Osteoarchaeology, represents one of the most comprehensive efforts to date to apply modern scientific methods to the question of equine performance in historical warfare. Using geometric morphometrics and comparative analysis with known modern breeds, researchers estimated the average height of medieval warhorses at approximately 14 to 15 hands (56 to 60 inches, or 142 to 152 cm) at the withers—far below the 17-hand giants often imagined in popular retellings. This places them closer in size to modern riding ponies or light draft breeds than to the massive Shires or Clydesdales associated with heavy cavalry today.
“We found highly little evidence to support the idea that medieval warhorses were exceptionally large,” said Dr. Helene Benkert, lead author of the study and a zooarchaeologist at the University of Exeter. “The majority of remains we analyzed fell within the range of smaller, more agile animals. While some individuals were larger, they were the exception rather than the rule.” The findings were corroborated by pathological evidence showing signs of joint stress and degenerative changes consistent with carrying heavy loads—but not necessarily the extreme weights associated with full plate armor and lance combat over extended periods.
To understand the physical demands placed on these animals, researchers too examined historical records, including household accounts from noble estates and military muster rolls. These documents revealed that while elite warriors did sometimes receive horses bred for size and strength, the majority of mounted troops—including men-at-arms and lesser nobles—relied on animals that served dual purposes: farm work during peacetime and military service when needed. This practical approach meant that breeding priorities favored hardiness, endurance, and temperament over sheer size.
Biomechanical modeling further informed the study’s conclusions. Using data on modern horse locomotion and load-bearing capacity, researchers calculated that a horse of 14.2 hands could comfortably carry a rider and equipment weighing up to 200 kilograms (approximately 440 pounds)—a figure that includes armored knight, saddle, weapons, and supplies. While this falls within the observed range of some medieval burials, it suggests that sustained combat performance would have been limited by fatigue, particularly in prolonged engagements or difficult terrain.
These insights align with growing skepticism among historians about the frequency and effectiveness of the classic “knightly charge” as depicted in sources like the Bayeux Tapestry or later romantic chronicles. Dr. Robert Jones, a medieval military historian at Durham University not involved in the study, noted that while shock cavalry played a role in certain battles, engagements often devolved into close-quarters fighting where maneuverability and control mattered more than raw momentum. “A smaller, more responsive horse would have been advantageous in the chaos of melee combat,” he explained. “Speed and agility could be more valuable than sheer mass when navigating uneven ground or navigating infantry formations.”
The research also highlights the importance of regional variation. Horse breeds and types differed across England, France, and the Holy Roman Empire, influenced by local terrain, breeding traditions, and military needs. In mountainous or forested regions, smaller, sure-footed animals were likely preferred, while open plains may have supported slightly larger types. However, even in areas known for horse breeding—such as the Loire Valley or Friesland—there is little evidence to suggest routine production of animals exceeding 16 hands for military use during the high medieval period.
Funding for the study came from the Arts and Humanities Research Council (AHRC) in the UK, which supports interdisciplinary projects that bridge the humanities and sciences. The research team emphasized that their work does not diminish the cultural significance of the knightly ideal but instead seeks to ground it in empirical reality. “We’re not trying to accept away from the romance of chivalry,” said Dr. Benkert. “We’re simply asking: what did it actually gaze and perceive like on the ground? The answer, based on the bones themselves, is often more modest—and more fascinating—for that.”
Looking ahead, the researchers plan to expand their analysis to include genetic sampling from well-preserved remains, aiming to identify lineage markers and trace the flow of horse breeding practices across medieval Europe. Collaborative efforts with institutions in Denmark and Belgium are already underway to compare English findings with those from continental sites, where different breeding traditions may have yielded distinct equine types.
For readers interested in the intersection of history, science, and animal studies, the full study is available through the University of Exeter’s open-access repository. Additional resources on medieval equine archaeology can be found via the Museum of London Archaeology’s public archive, which includes detailed reports on excavation sites such as those at Poultry and Royal Mint Street in London.
As our understanding of the past continues to evolve through scientific inquiry, even the most entrenched images of history—like the thunderous advance of the medieval warhorse—are revealed to be more complex, and more human, than legend suggests.
What do you think about the real horses behind the myth of the knight? Share your thoughts in the comments below, and feel free to pass this along to anyone fascinated by the true story of history’s most iconic animals.