Horse Racing Explained: Your Guide to Race Types, Grades and Classes

This year's Cheltenham Festival is in full swing, and if you're watching the action unfold and finding yourself wondering what separates a chase from a hurdle, or why some races carry more weight than others, you're in the right place.

This isn't just a glossary. Think of it as your inside track: what's happening, why it matters and how it all fits together.

Flat racing vs. National Hunt: the two formats

Horse racing in Britain and Ireland runs on two distinct tracks. Understanding the difference between them is where everything else starts to make sense.

Flat racing is exactly what it sounds like. No obstacles or jumps. Just horse and jockey covering a set distance at pace. It's the format of the Derby, Royal Ascot and the Classics. Speed and stamina are everything. Flat racing tends to dominate the spring and summer calendar, though all-weather tracks keep it running year-round.

National Hunt racing is the jumps game. Horses clear obstacles, distances are longer and the races tend to reward grit as much as raw speed. It's the dominant format through autumn and winter, and it's the world Cheltenham belongs to.

The two formats feature different horses, different terminology and different ranking systems. We'll get to all of that.

National Hunt: hurdles, chases and bumpers

Within National Hunt racing, there are three main race types. Each serves a different purpose and features a different kind of horse.

Hurdles are the entry point into jumping. The obstacles are smaller - a minimum of three and a half feet - and the races are where younger or less experienced horses find their feet over the fences. That doesn't mean they lack quality. The Champion Hurdle, one of Cheltenham's most anticipated races, is a hurdling contest, and it attracts some of the sharpest, fastest horses in the sport. Speed matters here. So does stamina.

Steeplechases (chases) are the senior school. The fences are bigger, more upright and less forgiving, and only horses with proven jumping ability tend to line up. Horses here are generally older, more experienced and built for the long haul. The Cheltenham Gold Cup - the highlight of the Festival - is a chase. That should tell you everything about the prestige attached to the discipline.

National Hunt Flat races, or bumpers, sit in a category of their own. No jumps, run on the flat, but firmly part of the National Hunt world. They're designed for young horses taking their first steps in the sport, giving them racecourse experience before they're asked to jump. At Cheltenham, the Champion Bumper is the one flat-surface race on the card, and it's a contest that regularly throws up future stars.

Cheltenham: a National Hunt fortress

The Cheltenham Festival is four days of Grade 1 National Hunt racing, the sport's most celebrated jumps meeting on the calendar. Every race on the card means something. The Festival is built around chases and hurdles, with the Champion Bumper rounding things out for the next generation.

A few of the Festival's headline acts, for context:

The Cheltenham Gold Cup. The championship chase. Three miles, two and a half furlongs, 22 fences. The one every staying chaser trains to win.

The Champion Hurdle. The speed test for hurdlers. Two miles of pure quality.

The Champion Chase. Roughly two miles of jumping at its most electric, featuring the fastest, sharpest chasers in the game.

The Stayers' Hurdle. The stamina test. Three miles of hurdling that reveals who can hold out.

Understanding what type of race you're watching makes following the Festival a different experience entirely.

Groups, grades and classes: how races are ranked

Not all races are created equal. The sport has a clear hierarchy; you just need to know which system applies where.

Groups belong to Flat racing. Group 1 features races at the highest level, with the strongest fields and the biggest prize money. Group 2 and Group 3 sit just below, still prestigious, but a tier down. Races like the Derby and the 2,000 Guineas are good examples of Group 1 races. The best flat horses in training target these.

Grades are the National Hunt equivalent. Same principle, same numbering - Grade 1, Grade 2, Grade 3 - but applied entirely to jumps racing. Grade 1 is the summit, and it's where Cheltenham's marquee races sit. A horse that wins a Grade 1 has beaten the best in the business, full stop.

Classes run across both formats and cover a broader spectrum, running from Class 1 at the elite end down to Class 6 or 7 at entry level. Within National Hunt racing, Class 1 is where grades live, so a Grade 1 race is always a Class 1 race, but not every Class 1 race is a Grade 1. Think of class as the building and grade as the floor you're on inside it. As you move down the scale, the competition becomes more accessible, and that's where the handicap system comes in.

Handicap vs. non-handicap races: balancing things out

Here's a distinction that matters a lot when you're looking at a racecard.

In a non-handicap race - sometimes called a conditions or graded race - every horse carries level weights and the best horse is expected to win. It's a straight merit contest.

In a handicap race, the weights each horse carries are adjusted by an official handicapper, based on ability. Better horses carry more weight. The idea is to give every horse in the field a theoretical equal chance of winning, which is why handicaps can be notoriously hard to call and notoriously exciting to watch.

Cheltenham hosts both. The Festival's Grade 1s are the headline acts, but races like the Cup Hurdle and the Pertemps Final are famous handicaps with massive fields and plenty of drama. Different races, different dynamics, but both worth knowing.

The knowledge worth having

Horse racing has its own language, and once you speak it, the sport opens up. Knowing that you're watching a Grade 1 chase tells you the standard of horse in the field. Knowing it's a handicap tells you the race is wide open. Knowing the difference between a hurdler and a chaser tells you what kind of performance to expect.

The Cheltenham Festival is better when you know what you're watching. The racing means more when you understand what's at stake. Now you do.

On the hunt for other useful Cheltenham and horse racing content, or want to explore how other sports work? Make your way to the Bally Bet blog.

All offers mentioned correct at the time of writing but may be subject to change.