Words like “IoT” and “horse racing” don’t go together, for sure. Horse racing has always been a sport that’s tied to tradition, history, and heritage. It has been around us for centuries and has always looked the same.
There are no traces of technology when watching a horse race, which means that they look the same as 100 years ago. But that’s only on the surface level. If we dig a bit deeper, we can find out that horse racing is actually one of the most technologically advanced sports in the world.
That’s exactly why we used the word “quietly.” Technology is changing the sport, but we as fans never noticed.
So, let’s look beneath the surface of the horse racing industry and find out how racehorses are trained and monitored using technology. One thing is for sure: horse racing wouldn’t be the same without modern technology.
GPS Has Turned the Stopwatch Into a Much Bigger Dataset
Back in the day, races were measured by a stopwatch. Yes, there were delays, and the data wasn’t always 100% accurate, but the system worked.
However, stopwatches measure only the time, which is only a fraction of the story. People involved in the horse racing industry know that each race becomes a story. A story that trainers, jockeys, and the horse itself should learn from, no matter whether the horse won or came last.
Thanks to modern GPS technology, we have that data. So, this innovative technology, which wasn’t actually designed for horse racing, found its purpose in the sport. It not only measures time but also stride length, position, acceleration, and many other things.
But it’s not only about how far a horse has traveled through a training session. It’s also about how its cardiovascular system responded to the exercise. This is exactly the purpose of modern equine trackers.
They are equipped with GPS but also have other sensors that measure a horse’s vitals, and these two separate hardware pieces collect vital information that can tell a trainer the entire story. And by the entire story we mean how to train the horse to reach its performance peak while keeping the horse safe and healthy.
And the best thing with modern technology is that these devices can talk to each other and share information, which is where the real value comes from.
This data is used by trainers, by jockeys, and even by bettors. Most people that place bets do research before picking a winning horse. They look for past performances and times and even go into the horse’s cardiovascular data if it is available.
But if you’re a beginner in horse racing betting, you first need to learn how to read the odds-on sites like TwinSpires.com, then go deeper with your analysis.
Heart Rate Shows How Expensive That Speed Was
Two horses can run the same distance at the same speed and experience very different physiological workloads.
This is why heart-rate monitoring matters.
Equine wearable systems can now record heart rate during high-intensity exercise rather than only before or after it. In a validation study involving Thoroughbred racehorses, the EQUIMETRE wearable was compared with a reference telemetric ECG system during training. Researchers found a very strong correlation for heart-rate measurements, supporting its use for monitoring horses during intense exercise.
That lets trainers look beyond raw speed.
A horse might complete a gallop in exactly the expected time but show an unusually high cardiovascular response.
Another may reach the required speed comfortably and recover quickly.
Repeated measurements can help establish what is normal for that particular horse, which is more valuable than treating every Thoroughbred as though they came from the same factory.
Wearable Sensors Can Measure the Stride Itself
Then things become more interesting.
An inertial measurement unit, usually called an IMU, contains sensors such as accelerometers and gyroscopes that record movement and rotation. Small IMUs can be attached to a horse and used to quantify gait characteristics that are extremely difficult to judge consistently with the human eye.
Equine researchers have used these systems to measure locomotor symmetry, identify gait events, and assist with objective lameness assessment.
One research system called EquiMoves, for example, uses multiple synchronized wireless sensors placed around the horse to measure upper-body and limb movement. Its measurements have been validated against optical motion-capture systems.
That is important because very small movement changes can matter enormously in a racehorse.
Machine Learning Is Where the Data Becomes Interesting
Collecting thousands of movement measurements is easy compared with interpreting them.
This is where machine learning enters the picture.
Algorithms can be trained to recognize patterns across accelerometer, gyroscope, heart rate, and other sensor data. Researchers have already used machine learning to estimate horse speed from body-mounted IMUs and to classify equine gait characteristics.
Other work is aimed more directly at health.
A 2025 study used machine learning to distinguish which limb was lame from objective movement measurements in 287 horses. The model reached an overall classification accuracy of 86 percent, although identifying sound horses proved considerably harder, with an accuracy of only 54.8 percent in that category.
Racing Is Testing Sensors for Injury Detection
This is where the technology could have its biggest impact.
In April 2026, the American Association of Equine Practitioners released results from a major prospective study examining whether wearable biometric sensors could help identify developing musculoskeletal problems in young Thoroughbreds.
More than 700 two-year-olds had been enrolled in the project. Six technology companies participated, with four ultimately providing enough data for the final analysis: Alogo, Arioneo, StableAnalytics, and StrideSAFE.
The horses wore sensors during high-speed workouts and received green, yellow, or red classifications based on the systems’ assessment.
The result was encouraging.
Horses receiving yellow or red readings were approximately twice as likely to experience a documented musculoskeletal issue as horses receiving green readings. Repeated abnormal classifications were associated with progressively greater likelihood of an issue.
Final Thoughts
So, how is technology transforming the horse racing industry? Well, in many different ways. The sport is safer for both horses and jockeys; it is more predictable (at least we think it is), more enjoyable to watch, and easier to analyze.
Tech will continue to improve the sport in many ways, and the good thing is that the core of the sport and the overall feeling isn’t even touched.
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