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Ask a casual punter what determines the outcome of a horse race and you will hear about form, class, the jockey, the trainer — all the obvious inputs. Ask about the going and you will usually get a shrug. “Yeah, I check it.” They check it the way you check the weather forecast before leaving the house: a quick glance, a vague mental adjustment, and then they forget about it.
That is a mistake, and it is a costly one. The ground is the race before the race. Before the stalls open, before the jockey picks a line, before the pace unfolds, the surface beneath every horse’s hooves has already tilted the odds. Some horses gain two or three lengths just by standing on ground that suits them. Others lose the race in the paddock, because their action — the mechanical way they move — is fundamentally wrong for the conditions underfoot.
An eight-year analysis of 6,268 UK races by BetTurtle found that between 71 and 85 percent of all races are run on some variant of Good ground. That sounds like going should not matter much — most of the time it is roughly the same. But the figure actually reveals the opposite problem: because the majority of form is produced on Good ground, punters rarely encounter extreme conditions and have no framework for evaluating them when they arrive. When the ground turns Heavy in November or Firm in July, the casual punter keeps reading form as if nothing has changed. The serious form student adjusts every assessment.
This guide breaks down the UK going system in full: the scale, how it is measured, what the science says about its effect on performance, how to identify a horse’s ground preference from its form, and how seasonal patterns change the going picture across the racing calendar. If you take one thing from this guide, take this: going is not a footnote in form analysis. It is the foundation.
The official UK going scale runs from Hard at one extreme to Heavy at the other, with several gradations in between. In practice, Hard is almost never used — racecourses will water the ground before allowing it to reach that point because of the injury risk to horses. The working scale, the one you will encounter on racecards and in going reports, runs from Firm through to Heavy with intermediate descriptions that capture the transitions.
On turf, the descriptions from driest to wettest are: Firm, Good to Firm, Good, Good to Soft, Soft, Soft to Heavy, and Heavy. Each represents a measurably different surface. Firm ground is dry, fast, and unyielding — hooves barely penetrate the turf, and races tend to be run at higher speeds. Good ground is the baseline: the surface has enough moisture to provide some cushion without being demanding. Soft ground has absorbed significant rainfall and requires more physical effort with every stride. Heavy ground is saturated — deep, energy-sapping, and slow. Races on heavy ground test stamina over speed, and the times reflect it.
The intermediate descriptions — Good to Firm, Good to Soft, Soft to Heavy — exist because ground conditions are rarely uniform across an entire course. A track might be Good on the crown of the bends but Good to Soft on the straight, where drainage is different. The clerk of the course assesses the overall picture and publishes a description that represents the general state, but experienced punters know that “Good to Soft, Soft in places” is a meaningfully different proposition from “Good to Soft” alone. Those two extra words — “soft in places” — tell you the ground is patchy and that horses drawn on the inside or outside may encounter different conditions.
Different horses are built for different ground. This is not metaphorical — it is biomechanical. Horses with a low, daisy-cutting action, where their hooves skim the surface, tend to excel on faster ground. The firmness of the turf complements their stride: there is minimal deceleration on impact, and they maintain their rhythm efficiently. These horses struggle on soft ground because their action does not generate enough lift to clear heavy turf, and they end up fighting the surface rather than running on it.
Conversely, horses with a high, round action — a more pronounced knee lift — handle soft and heavy ground more effectively. Their stride clears the surface on each step, meaning they lose less energy to the ground. On firm going, these same horses can feel the jarring impact through their joints, which either slows them down or, worse, leads to injury. Trainers of horses with this type of action will often withdraw their runners when the ground dries out unexpectedly.
Between these extremes sit the majority of the horse population: versatile animals that run adequately on most ground but have a preference for one side of the scale or the other. Identifying where that preference lies — and acting on it — is one of the most reliable edges available to a form student. A horse whose form figures read 3-5-7 might look ordinary, but if all three runs were on firm ground and today’s race is on soft, you could be looking at a different horse entirely.
The going scale is not abstract. It is a physical reality that changes the speed, the energy cost, and the biomechanical demands of every race. Ignoring it is like assessing a footballer’s ability without knowing whether the match is on grass or on a waterlogged pitch.
For decades, the going was determined by one person walking the course, poking the ground with a stick, and making a judgement call. The clerk of the course would push a walking stick into the turf, assess how far it penetrated, and combine that with a visual assessment of the surface. It was subjective, inconsistent, and occasionally controversial — especially when the official going did not match what trainers and jockeys found when they got out there.
The GoingStick changed that. Introduced to UK racing in the mid-2000s, the GoingStick is a handheld device that measures two properties of the turf: penetration (how far the probe sinks into the ground) and shear strength (how much resistance the ground offers when the probe is twisted). These two measurements are combined into a single reading on a numerical scale. Lower readings correspond to softer ground; higher readings correspond to firmer ground. A reading of around 5.0 to 6.0 typically maps to Good; readings below 4.0 suggest Soft to Heavy; readings above 8.0 indicate Firm.
The GoingStick readings are taken at multiple points around the course and at different times of day, because ground conditions change — sometimes dramatically — with rainfall, evaporation, and the effect of racing itself. A track that reads Good at 8am can read Good to Soft by the fourth race if a shower passes through. Clerks of the course publish updated readings on racing authority websites, and these updates are essential reading for anyone who takes going seriously.
In 2024, researchers at the University of Central Lancashire and Nottingham Trent University published a study — “Unravelling the Speed-Going Relationship” in the Journal of Equine Veterinary Science — that brought academic rigour to a question racing had been debating informally for generations: exactly how does ground condition affect racehorse speed? The study analysed data from 50 British turf meetings and found that horse speeds peak on firm ground but reach a plateau at a cushioning level of approximately 10 kilonewtons — roughly twice the mass of the horse itself. Beyond that threshold, making the ground firmer does not make horses faster. On soft ground, the study found significantly higher variability in speeds, meaning the going introduces a layer of unpredictability that does not exist on firmer surfaces.
Dr Jaime Martin, Senior Lecturer at Nottingham Trent University, noted that “detailed assessment of sports surfaces using our equipment demonstrates a real benefit,” and added that the research was already being extended to other surfaces including football pitches. The study matters for punters because it provides the first peer-reviewed confirmation of something form students have long suspected: the relationship between ground and performance is not linear. There is a sweet spot — and horses whose action matches that sweet spot gain a measurable advantage.
The practical takeaway is that GoingStick readings, while useful, are only part of the picture. They measure the surface at rest. What matters to a horse is the surface under load — the interaction between hoof, turf, and the force of a 500-kilogram animal at full gallop. That interaction is what the NTU study began to quantify, and it is why going preference, observed through form, remains the best predictor of how a horse will handle today’s ground.
The relationship between going and performance operates on three axes: speed, stamina demand, and biomechanical suitability. Each one can turn a contender into an also-ran or elevate an outsider into a winner, and in most races all three are at work simultaneously.
Speed is the most visible effect. On firm ground, race times are faster — sometimes dramatically so. A mile on firm ground at Newmarket might be run three or four seconds quicker than the same distance on heavy ground at the same course. That gap sounds small in the abstract, but in racing terms three seconds is an eternity — it is the difference between winning by a length and finishing in a different postcode. The NTU study confirmed this relationship quantitatively: speeds peak on the firmest ground and decline as the surface softens. But the study also showed that the speed gains from firmer ground plateau beyond a certain point. Going from Good to Firm to Firm produces a measurable improvement; going from Firm to Hard produces almost nothing extra while significantly increasing injury risk.
Stamina demand is the less obvious but equally important effect. Soft and heavy ground require more energy per stride because the horse’s hoof sinks deeper into the surface and must be pulled clear with each step. Over a mile, that additional energy expenditure accumulates. A horse that stays a mile comfortably on good ground may not stay a mile on heavy ground — not because the distance has changed, but because the energy cost has. This is why you frequently see horses that “stay well” on soft ground: they are not faster on soft — they are more efficient at managing their energy on a demanding surface. The race becomes a stamina test, and the stayers thrive.
Simon Rowlands, the former Timeform analyst whose detailed interviews have shaped how a generation of punters thinks about data, commented on the NTU research by describing the study as what he believed to be the first time quantitative analysis of properly contextualised race times had appeared in an academic paper as an independent way to validate racing surface conditions. That academic validation matters because it confirms what form students have observed anecdotally: the ground does not just slow horses down or speed them up — it changes the nature of the race itself.
The third axis — biomechanical suitability — is the one that trainers talk about most and punters think about least. A horse’s action describes the way it moves: the height of its knee lift, the extension of its stride, the angle at which its hoof strikes the ground. These are partly inherited, partly developed through training, and almost entirely fixed by the time a horse reaches the racecourse. You cannot teach a low-action horse to pick its feet up on soft ground any more than you can teach a high-action horse to skim the surface on firm.
Trainers know their horses’ actions intimately, which is why non-runner declarations spike when the ground changes unexpectedly. A trainer who has prepared a horse for good ground all week will scratch it from the card if heavy rain arrives overnight — not because the horse cannot run, but because it cannot run well on that surface. These declarations are themselves a piece of information. When four horses come out of a 12-runner field because the ground has changed, the dynamics of the entire race shift: the pace scenario changes, the likely running positions change, and horses that handle the new conditions gain an advantage that did not exist 24 hours earlier.
For the form student, action is harder to assess directly unless you watch race replays or attend meetings in person. But you do not need to see the horse move to identify its going preference — that is what the form record is for. A horse that has run ten times on soft ground and won three of them, but run ten times on good to firm and won none, has a going preference as clear as a billboard. The numbers do the work for you.
Every horse has a going preference, even if it is not extreme. The task is to find it in the form record, and the method is simpler than most punters assume.
Start by pulling up a horse’s full results — not just the form figures, but the detailed record showing going, distance, finishing position, and beaten distance for each run. Sort the results mentally (or physically, if you keep notes) by going description. Group the runs on firm or good to firm ground together, the runs on good ground together, and the runs on soft or heavy ground together. Now compare the finishing positions and beaten distances across groups.
A horse with four runs on good to firm — finishing 2nd, 1st, 3rd, 2nd — and four runs on soft — finishing 7th, 9th, 6th, 8th — does not need a PhD to decode. It wants faster ground. The pattern is clear and consistent, and if today’s going is good to firm, this horse is a serious contender regardless of what its overall form figures look like. Conversely, if today’s going is soft, you can cross it out with confidence.
The tricky cases are the horses with limited experience on one type of ground. A horse that has run eight times on good ground and once on soft, finishing sixth on the soft day, may or may not dislike soft ground — one run is not a pattern. In those situations, look for supplementary clues. Breeding is one: certain sire lines produce offspring that consistently handle cut in the ground, while others throw speed horses that need a fast surface. Another clue is the trainer’s record on that type of ground — some yards specialise in preparing horses for testing conditions.
That BetTurtle analysis of 6,268 UK races revealed a distribution problem that explains why going preference is so underused. With 71 to 85 percent of races run on Good or its adjacent descriptions, most horses accumulate the bulk of their form on similar ground. Their going preference only becomes visible when conditions move to the extremes — and by definition, extreme conditions are rare. A horse might run twelve times in a season on good or good to soft and only once or twice on soft or heavy. If it happens to run poorly on its one start on heavy ground, some punters will label it a “soft ground hater” based on a single datapoint. That is reckless. One run is an anecdote. Three runs are the beginning of a pattern. Five or more runs on a specific type of ground give you something you can actually use.
For younger horses or those with short racing careers, going preference often has to be inferred rather than observed. Pedigree analysis helps — dam’s side especially, since stamina and going preference transmit reliably through the female line in many bloodlines. Trial form (barrier trials, racecourse gallops) occasionally reveals how a horse handles different surfaces, though this data is harder to find. And sometimes the first run on a new type of going is itself the test: if the horse runs a career-best on its first encounter with soft ground, you have learned something valuable that most of the market has not yet priced in.
The UK does not have a single racing season — it has a going season that rotates through predictable phases, and each phase reshapes the form landscape. Understanding when the ground typically changes, and by how much, gives you a structural edge that has nothing to do with studying individual horses.
BetTurtle’s eight-year dataset breaks the year into quarters that tell a clear story. In Q1 — January through March — 58 percent of races are run on Soft or heavier ground. This is the deep midwinter of National Hunt racing, when persistent rain and low temperatures keep the ground saturated. Courses that race through the winter, places like Haydock, Cheltenham, and Sandown, are regularly described as Soft or Heavy, and the form produced during this period reflects it. Horses that win in Q1 have proven they handle testing ground, and that information is gold when the following winter rolls around.
Q2 — April through June — sees a dramatic shift. Only 15 percent of races take place on Soft or heavier going. The flat season is building, the days are longer, and the ground dries out. This is the period when good to firm becomes the default and trainers with speed horses begin to unleash them. Form produced in Q2 is the most “normal” form in the calendar — the ground is consistent, the fields are competitive, and the going is rarely a significant variable. If you are looking for clean form reads, spring and early summer is the time.
Q3 — July through September — is the driest period. Just 13 percent of races are run on soft or heavier ground. Midsummer meetings at Ascot, Goodwood, and York are routinely staged on good to firm or firm going, and the speed horses dominate. This is also the peak of the flat season, with the highest-quality racing and the deepest betting markets. For the form student, Q3 form on good ground is the most transferable data — it is produced on a consistent surface against strong competition, and it holds up better than form from either extreme of the calendar.
Q4 — October and November — marks the transition back to winter. Soft ground returns on 38 percent of race days as the autumn rains arrive and the clocks change. The flat season winds down, the jumps season escalates, and the going increasingly favours stamina over speed. By late November, the going picture resembles Q1 more than Q3, and the cycle begins again.
These seasonal patterns matter because they create predictable mismatches between a horse’s recent form and today’s conditions. A horse whose last three runs were in July on good to firm ground is a different proposition in November on soft. Its form figures may look outstanding, but those figures were produced in conditions that no longer exist. Conversely, a horse that struggled through the summer on fast ground may come alive when the rain arrives — and if the market has not adjusted for the seasonal shift, you have found value without doing any clever analysis at all. You just looked at the calendar.
Theory is useful. Process is what makes money. Here is how to integrate going analysis into your race-by-race form study without turning every selection into a research project.
First, check the going before you read the form. This sounds backwards, but it sets the frame for everything that follows. If today’s going is Soft, you already know that a significant portion of the field will be disadvantaged. Your form reading can then focus on identifying which runners handle cut in the ground, rather than trying to evaluate every horse equally. The going report is published on the course’s website and updated on the morning of racing — check it after 9am for the most current description, and be prepared for it to change if rain is forecast.
Second, filter your shortlist by going record. For any horse you are considering, check whether it has run on similar ground before and how it performed. A horse with no form on soft ground is not automatically eliminated — it might handle it fine — but it carries more risk than one with a proven record. When you are choosing between two similarly qualified horses, the one with evidence of handling today’s ground gets the edge. This is not a sophisticated model; it is basic risk management.
Third, watch for going-related non-runners. When the ground changes from the overnight forecast, trainers withdraw horses that are unsuited. This changes the race dynamics — the number of runners shrinks, the pace scenario shifts, and the form picture simplifies. Sometimes the best bet on a card appears in a race where three horses have come out because the ground turned soft, leaving a small field dominated by proven soft-ground performers.
Going does not operate in isolation. It interacts with distance, class, and pace in ways that multiply its effect. A horse that stays a mile on good ground may not stay a mile on heavy ground, because the energy cost per stride is higher — effectively turning a mile into a mile and a quarter in stamina terms. A front-runner that dominates on good ground may struggle on soft because the surface saps its speed, allowing hold-up horses to close the gap more easily. These interactions are where the real edge lives.
The discipline is to make going part of your standard assessment rather than treating it as a separate exercise. When you read a horse’s form, note the going for every run. When you compare two horses, compare their going records alongside their form figures. When you arrive at a shortlist, rank the runners partly by how well their going profile matches today’s conditions. Over time, this becomes automatic — the going becomes a lens through which you read form, not an afterthought you check at the last minute.
The ground is the race before the race. The punters who understand that — who build going into their process from the start — are the ones who find value in races that the rest of the market has already mislabelled.