Greyhound Racing Terminology: A Complete Glossary

The Language of the Track

Greyhound racing has its own dialect — learning it is a prerequisite, not optional. Every race card, every commentary, every form guide assumes you understand the terminology. If you don’t know what “bumped” means in a race comment, you’ll misread the form. If you can’t distinguish a forecast from a tricast, you’ll place the wrong bet. If you’ve never heard of “calculated time,” you’re missing one of the most important data points in greyhound analysis.

This glossary covers the essential terms in two categories: racing and track terms (the language of what happens on the track) and betting and odds terms (the language of what happens at the bookmaker). It’s designed as a reference — something to consult when a term appears in a race card or article that you don’t recognise. The entries are alphabetical within each category, and the definitions are kept concise and practical.

Not every obscure term is included here. The focus is on the vocabulary that a regular greyhound punter in the UK will encounter frequently — the terms that appear on race cards, in race comments, in results, and in conversations at the track.

Racing and Track Terms (A–Z)

All-Weather: A racing surface that allows meetings to take place in most weather conditions. UK greyhound tracks use sand-based all-weather surfaces, though conditions still vary between wet and dry.

Bend: The curved sections of the track. UK greyhound tracks are oval with either four or six bends. The first and second bends are the most tactically significant, as this is where the field sorts itself into running order.

Bumped: Contact between two dogs during a race, typically at a bend. Race comments note when a dog was “bumped” to indicate interference that may have affected its finishing position. A bumped dog may have run better than its result suggests.

Calculated Time: An adjusted finishing time assigned by the racing office to account for interference, slow starting or other incidents. If a dog is bumped and loses ground, its calculated time may be faster than its actual finishing time. The grading system uses calculated time rather than raw time.

Checked: When a dog is forced to slow down or change direction due to interference from another runner. More severe than “bumped” and usually indicates a significant loss of momentum.

Crowded: When a dog is squeezed between two other runners, typically at a bend or leaving the traps. Crowding restricts the dog’s ability to run its natural line and often costs positions.

Dam: The mother of a greyhound. Used in breeding and pedigree analysis.

Distance: The length of the race in metres. Standard distances at UK tracks vary but commonly include sprint (around 238-280m), standard (400-480m), middle-distance (600-700m) and marathon (800m+) categories.

Early Pace: A dog’s speed in the opening phase of the race, from traps to the first bend. Quantified by the sectional time and first-bend position. Dogs with strong early pace are described as “quick away” or “fast trapper.”

Going: The condition of the track surface. Greyhound tracks don’t use the formal going descriptions of horse racing, but conditions range from fast (dry, firm surface) to slow (wet, heavy surface).

Grade: A classification assigned to each dog based on its performance level at a specific track. UK tracks use the A1-A12 system, where A1 is the fastest and A12 the slowest. Grades are track-specific and not transferable between venues.

Hare: The mechanical lure that the dogs chase around the track. Also called the “lure.” The hare operator controls its speed to maintain appropriate distance from the lead dog.

Kennel: The trainer’s facility where greyhounds are housed, exercised and prepared for racing. Also used informally to refer to the group of dogs under a particular trainer’s care.

Led: Indicates the dog was in first position at a given point in the race. “Led first bend” or “led throughout” appear frequently in race comments.

Lure: See Hare.

Middle Runner: A dog that prefers to run in the centre of the track rather than hugging the rail or swinging wide. Denoted by “m” on race cards.

Open Race: A race that sits outside the standard grading system and is open to entries from any track. Open races feature stronger fields than graded races and attract the best dogs in training.

Railer: A dog that runs close to the inside rail. Denoted by “r” on race cards. Railers benefit from inside trap draws (Traps 1-2) where they have the shortest path to the rail.

Reserve: A standby dog listed on the race card to replace any withdrawn runner. If a reserve takes a vacant trap, it wears the jacket colour of that trap. Denoted by “R” on race cards.

Sectional Time: The time recorded from the traps to the winning line on the first pass. Also called “split” or “split time.” The primary measure of a dog’s early pace.

Sire: The father of a greyhound. Used in breeding analysis and sometimes in assessing a young dog’s likely running style and distance preferences.

Slowly Away: A race comment indicating the dog was slow to leave the traps, losing ground at the start. Can significantly affect the dog’s finishing position, particularly in sprints.

Trial: A timed run over a specific distance, used to assess a dog’s fitness or ability before grading it for competitive racing. Trials are not races — they involve one or two dogs running alone or in small groups.

Trap: The starting box from which a dog breaks at the start of the race. Numbered 1-6 in UK greyhound racing, running from the inside rail outward.

Wide Runner: A dog that prefers to run on the outside of the track. Denoted by “w” on race cards. Wide runners benefit from outside trap draws (Traps 5-6).

Betting and Odds Terms (A–Z)

Accumulator: A single bet combining selections from multiple races. All selections must win for the bet to pay. Also called an “acca.” The return from each leg becomes the stake for the next.

Ante-Post: A bet placed well in advance of an event, typically on a major competition like the Greyhound Derby. Ante-post bets are “all-in, run or not” — if your selection doesn’t make the final, the bet loses.

Best Odds Guaranteed (BOG): A bookmaker promotion that pays whichever is higher — the fixed odds you took or the starting price. Eliminates the risk of taking an early price that would have been bettered by SP.

Dividend: The return paid on a winning tote bet. Used specifically for pool-based bets (forecasts, tricasts) where the payout is determined by the pool size and the number of winning tickets.

Double: An accumulator with two legs. Both selections must win.

Each-Way: Two separate bets on the same dog — one to win, one to place. In a six-runner greyhound race, place terms are typically 1/4 odds for the first two finishers. Total stake is double the unit stake.

Fixed Odds: Odds that are set at the time you place the bet and don’t change regardless of subsequent market movements. The alternative is betting at SP.

Forecast: A bet predicting the first two finishers. A straight forecast requires exact order; a reverse forecast covers both permutations; a combination forecast covers all possible pairings from three or more selected dogs.

In-Play: Betting that takes place after the event has started. In greyhound racing, in-play windows are extremely short due to the brief race duration.

Nap: A tipster’s strongest selection of the day. Not a bet type but a signal of confidence.

Odds-On: Odds shorter than even money (1/1). An odds-on selection is priced below 1/1, meaning you risk more than you stand to win. For example, at 4/6 you stake £6 to win £4 profit.

Overround: The bookmaker’s built-in margin on a race. Calculated by summing the implied probabilities of all runners’ odds. An overround above 100% represents the bookmaker’s edge.

Rule 4: A deduction applied to winning bets when a dog is withdrawn after the market has formed. The deduction scale depends on the withdrawn dog’s odds — the shorter the price of the withdrawn dog, the larger the deduction.

SP (Starting Price): The odds at which a dog starts the race, determined by on-course bookmakers at the moment the traps open. Used for settling bets placed at SP and as the reference price for BOG comparisons.

Tote: A pool-based betting system where all stakes on a particular bet type are pooled together. The operator takes a deduction and the remainder is shared among winning tickets. Common for forecast and tricast bets at the track.

Treble: An accumulator with three legs. All three selections must win.

Tricast: A bet predicting the first three finishers in exact order. Combination tricasts cover all permutations from a group of selected dogs. Returns are typically larger than forecasts due to the increased difficulty.

Speak the Language, Read the Race

Fluency in the terminology isn’t a flex — it’s functional. Every term in this glossary appears regularly in race cards, commentaries, form guides and betting interfaces. Knowing them means you can read a race card without pausing, interpret a race comment accurately, and place the right type of bet for your analysis.

If you’re new to greyhound racing, don’t try to memorise everything in one sitting. Instead, keep this glossary accessible and refer to it whenever an unfamiliar term appears. Within a few weeks of regular reading and watching, the core vocabulary will become second nature. The more specialised terms — calculated time, overround, Rule 4 — will settle in as you encounter them in specific contexts. The language of the track rewards immersion more than study.