In a world where show jumping is often dominated by animals of impeccable pedigree, elite genetics, and stratospheric prices, there is one variable no breeder can fully control: character. Show jumping horse temperament can be as decisive as the height of the jump or the power of the hindquarters — and the history of the sport is full of examples that prove it.
Jappeloup was small, had modest lineage, and a nervous temperament that alarmed specialists. He became an Olympic champion. Not despite his character — partly, because of it.
What Is “Temperament” in a Show Jumping Horse?
In show jumping, when we speak of temperament, we speak of a combination of psychological characteristics that determine how an animal behaves under pressure, novelty, and demand.
A high-level show jumping horse needs a specific balance: enough courage not to hesitate before 1.60m obstacles, enough sensitivity to respond to the rider’s subtle communications, and enough emotional stability not to unravel when the competitive environment amplifies every stimulus.
That balance is rare. And it is what separates horses that have won world titles from those that always had potential but never quite got there.
Cold, Hot, and In-Between Temperaments
In classical equestrian vocabulary, horses are often classified as “cold-blooded” (calm temperament) or “hot-blooded” (more reactive temperament). That classification is simplified, but useful as a starting point.
Cold-blooded horses — such as Clydesdales and other draft breeds — tend to be calm, resistant to stress, and difficult to upset. Excellent for strength work and for beginner riders. In elite show jumping, they rarely appear — they lack the reactivity and explosiveness required for demanding courses.
Warmbloods — the Hanoverians, KWPNs, Selle Français, Holsteiners that dominate contemporary show jumping — have greater neurological reactivity. They are more sensitive to the rider’s aids, more attentive to the environment, more explosive in the jump. But that same reactivity can make handling more challenging.
Most great show jumping horses sit somewhere between these extremes — with enough sensitivity for high performance and enough stability not to break down under pressure.
How Does Temperament Affect Competition Performance?
Competition imposes conditions that amplify any temperamental instability. Crowd noise, other horses nearby, unfamiliar colored objects on the obstacles, lighting variations, the tension transmitted by the rider themselves — all of this can destabilize an animal that lacks adequate psychological grounding.
A horse with a difficult temperament needs a rider capable of managing that instability in real time — without transmitting their own tension, maintaining clear communication, and building trust moment by moment within a round that lasts less than two minutes.
Jappeloup was the perfect example of this challenge. The horse was nervous by nature, reacted intensely to any disruption, and had a behavioral pattern that demanded constant attention. When Pierre Durand tried to compensate for that nervousness with more control and stronger interventions, the result was Los Angeles 1984 — the disoriented horse, Durand thrown into the water.
When Durand learned — guided by Nelson Pessoa — to transmit calm and confidence instead of control, the equation changed. Jappeloup’s temperament didn’t transform. But the way it was managed turned him into a partner rather than a problem.
The Paradox of the Difficult Horse
There is a paradox in elite show jumping that experienced riders recognize: the most difficult horses to ride are often the most talented. The same nervous temperament that creates handling problems in daily life can be the source of the explosiveness, sharpened attention, and precise obstacle reading that make the difference on demanding courses.
Jappeloup was nervous — and that nervousness was connected to a sensory acuity that allowed him to assess distances, angles, and heights with a precision that calmer horses rarely demonstrated. Milton, the famous British horse, had a charisma and expressiveness that made every performance theatrically engaging — qualities also connected to his extraordinary reading of courses.
What the rider must learn with such horses is that the relationship is not one of control, but of partnership. You do not “dominate” a Jappeloup — you negotiate with him. You build a common language. You discover what calms him, what stimulates him, what confuses him, and what liberates him.
That learning takes time. And it is precisely why the longest partnerships tend to produce the best results.
The Rider’s Role in Temperament Development
Horses do not arrive at high performance with fully formed temperament. They are shaped — positively or negatively — by the handling they receive throughout their formative years.
A foal with a nervous tendency, treated with patience, careful progression, and gradual exposure to new situations, can develop the emotional stability that will make it competitive. The same foal, treated with haste, excessive pressure, and demands beyond its processing capacity, can become a chronically tense animal — technically talented but psychologically compromised.
Modern show jumping training has increasingly incorporated this understanding. Progressive exposure to competitive environments (starting at smaller events before major ones), the use of experienced riders for young difficult horses, and the valuing of animal welfare as part of performance — all of this reflects a deeper understanding that temperament is not only what the horse brings at birth, but what develops in the relationship.
What Jappeloup Teaches About Character and Championship
The story of Jappeloup is, among other things, a lesson about bias and potential. The world of elite show jumping tends to value certain standards — stature, breed, pedigree, ease of handling. Jappeloup defied all of them.
What he had didn’t show in pedigrees: raw athletic capacity, extraordinary obstacle reading, and a character that, in the right hands, became precision and explosiveness rather than tension and unpredictability.
The lesson that endures is not that difficult horses are always hidden talents. It is that a horse’s temperament needs to be understood before it can be evaluated. And the rider who takes the trouble to understand — rather than simply dominate — often discovers a partner that no one else would ever have come to know.