Glossary

Age-restricted race

Japanese: 年齢限定競走

A race open only to horses of specified ages, such as two-year-olds or three-year-olds.

Category: Race types and conditions

Related terms: 2

All-weather course

Japanese: オールウェザーコース

A synthetic racing surface designed to provide more consistent conditions than natural turf or traditional dirt.

Category: Track surfaces and conditions

Related terms: 2

Allowance race

Japanese: アローワンス競走

A race, especially common in North America, with eligibility conditions based on wins, earnings, age, sex, or other factors and without a claiming price for every runner.

Aliases: Allowance

Category: Race types and conditions

Related terms: 1

American Quarter Horse

Japanese: アメリカン・クォーターホース

A horse breed famous for rapid acceleration and very high speed over short distances.

Aliases: Quarter Horse

Category: Horse breeds

Related terms: 1

Arabian horse

Japanese: アラブ馬

One of the world's oldest recognized horse breeds, noted for endurance and used in racing as well as other equestrian sports.

Aliases: Arabian

Category: Horse breeds

Related terms: 1

Arabian racing

Japanese: アラブ競馬

Horse racing for Arabian horses, a breed with its own racing programs in a number of countries.

Category: Race types and conditions

Related terms: 2

Banei racing

Japanese: ばんえい競馬

A Japanese racing format in which powerful draft horses pull heavily weighted sleds along a straight sand course and climb two obstacles.

Category: Race types and conditions

Related terms: 2

Bookmaker

Japanese: ブックメーカー

A betting operator that offers prices on race outcomes and accepts bets at those prices, subject to local law and rules.

Aliases: Bookie

Category: Race terms

Related terms: 2

Break stride

Japanese: 歩様を崩す

In harness racing, when a horse stops maintaining the required trotting or pacing gait and breaks into another gait.

Aliases: Break

Category: Race terms

Related terms: 2

Breeder

Japanese: 生産者

The person or organization recorded as having bred a horse, generally connected with the mating and foaling that produced it.

Aliases: Horse breeder

Category: People in racing

Related terms: 1

Claiming race

Japanese: クレーミング競走

A race in which entered horses may be purchased, or claimed, under the rules and price conditions set for that race.

Aliases: Claimer

Category: Race types and conditions

Related terms: 1

Classic race

Japanese: クラシック競走

A traditional top-level race for a defined generation of horses, often restricted by age and sometimes sex.

Aliases: Classic

Category: Race types and conditions

Related terms: 2

Clerk of the scales

Japanese: 検量担当者

An official responsible for checking jockey weights before and after races where the rules require weighing in and weighing out.

Aliases: Clerk of scales

Category: People in racing

Related terms: 1

Closer

Japanese: 追込馬

A horse that tends to race behind the leaders and make its strongest move late in the race.

Aliases: Late closer

Category: Race terms

Related terms: 2

Colt

Japanese: 牡馬（若馬）

A young male horse. The exact age limit for the term can vary by racing and breed conventions.

Category: Horse age and sex

Related terms: 3

Course and distance

Japanese: 同コース・同距離

A reference to the exact racecourse and distance combination used for a race.

Aliases: C&D

Category: Race terms

Related terms: 2

Course using both directions

Japanese: 左右両回りコース

A racecourse that stages races in both clockwise and counter-clockwise directions, depending on the course layout or race program.

Category: Around the racecourse

Related terms: 1

Dead heat

Japanese: 同着

A result in which two or more horses cannot be separated at the finish and are awarded the same finishing position under the rules.

Category: Race terms

Related terms: 1

Derby

Japanese: ダービー

A prestigious race title used in many countries, commonly for three-year-old Thoroughbreds, though exact conditions vary.

Category: Race types and conditions

Related terms: 2

Dirt

Japanese: ダート

A racing surface made from soil, sand, clay, or similar materials rather than grass. Its composition differs by racecourse and country.

Category: Track surfaces and conditions

Related terms: 2

Disqualification

Japanese: 失格

A ruling that removes a horse from its finishing position or result because of a rule violation or other disqualifying circumstance.

Aliases: DQ, Disqualified

Category: Race terms

Related terms: 2

Draft horse

Japanese: 輓馬

A large, powerful type of horse bred for pulling heavy loads. Draft horses are used in Japan's Banei racing.

Aliases: Draught horse, Heavy horse

Category: Horse age and sex

Related terms: 1

Draw / Barrier

Japanese: 枠順・ゲート番号

The starting position allocated to a horse, usually corresponding to a numbered stall or barrier in races that use a starting gate.

Aliases: Post position, Barrier draw

Category: Race terms

Related terms: 1

Driver

Japanese: ドライバー

The person who controls a horse from the sulky in harness racing.

Aliases: Harness racing driver

Category: People in racing

Related terms: 2

Entries

Japanese: 出走登録・出走情報

The horses entered, declared, or otherwise listed to take part in a race at a particular stage of the entry process.

Aliases: Race entries, Declared runners

Category: Race terms

Related terms: 5

Exacta

Japanese: 馬単・Exacta

A bet requiring the first two finishers to be selected in the correct order.

Category: Race terms

Related terms: 2

False start

Japanese: 不正発走・フライング

An invalid start that requires the field to be recalled or the start procedure to be repeated under the applicable rules.

Category: Race terms

Related terms: 2

Fence

Japanese: 障害柵

A substantial obstacle used in some forms of jump racing, especially steeplechases.

Category: Around the racecourse

Related terms: 2

Field size

Japanese: 出走頭数

The number of horses taking part in a race.

Aliases: Number of runners

Category: Race terms

Related terms: 2

Filly

Japanese: 牝馬（若馬）

A young female horse. The age boundary for the term varies between racing jurisdictions and breed conventions.

Category: Horse age and sex

Related terms: 2

Final turn

Japanese: 最終コーナー

The last bend or turn before horses enter the home straight and run toward the finish.

Aliases: Home turn, Last turn

Category: Around the racecourse

Related terms: 1

Finish line

Japanese: 決勝線・ゴール板

The line that determines when a horse has completed the race and is used to establish the finishing order.

Aliases: Winning post

Category: Around the racecourse

Related terms: 2

Fixture

Japanese: 開催日程（フィクスチャ）

A scheduled racing date or calendar item. A fixture states that racing is planned, while a meeting describes the organized racing event or period associated with the schedule.

Aliases: Race fixture

Category: Race terms

Related terms: 2

Flat racing

Japanese: 平地競馬

Racing on a course without jumps that horses are required to clear. Flat races can be run on turf, dirt, or all-weather surfaces.

Category: Race types and conditions

Related terms: 7

Front-runner

Japanese: 逃げ馬

A horse whose usual or intended racing style is to take the lead or race very close to the front from an early stage.

Aliases: Leader, Pacesetter

Category: Race terms

Related terms: 1

Furlong

Japanese: ハロン・ファーロング

A distance unit equal to one eighth of a mile, or 220 yards, widely used in horse racing in countries that retain imperial racing distances.

Aliases: F

Category: Race terms

Related terms: 0

Gelding

Japanese: せん馬

A castrated male horse.

Category: Horse age and sex

Related terms: 2

Going

Japanese: 馬場状態

The officially described condition of the racing surface, such as firm, good, soft, heavy, fast, or muddy depending on the surface and jurisdiction.

Aliases: Track condition, Ground condition

Category: Track surfaces and conditions

Related terms: 2

Governing body

Japanese: 統括団体

An organization that sets, administers, or coordinates rules and structures for racing within a defined scope. A governing body may also act as a racing authority in some jurisdictions, but the roles are not assumed to be identical everywhere.

Aliases: Racing governing body

Category: Racing organizations

Related terms: 2

Graded / Group race

Japanese: グレード競走・グループ競走

A high-level race assigned an official Grade or Group classification, commonly numbered 1, 2, or 3, with Group/Grade 1 at the top.

Aliases: Graded stakes, Group race

Category: Race types and conditions

Related terms: 2

Handicap

Japanese: ハンデキャップ

A race in which horses are assigned different weights to try to give the field a more even chance.

Aliases: Handicap race

Category: Race types and conditions

Related terms: 1

Harness racing

Japanese: 繋駕競走

Racing in which a horse pulls a light two-wheeled cart called a sulky, with a driver seated behind the horse.

Category: Race types and conditions

Related terms: 4

Home straight

Japanese: 最後の直線

The final straight section of the course leading from the last turn toward the finish line.

Aliases: Home stretch, Final straight

Category: Around the racecourse

Related terms: 2

Hurdle race

Japanese: ハードル競走

A jump race run over hurdle-type obstacles, generally different from the larger fences used in steeplechases.

Aliases: Hurdles

Category: Race types and conditions

Related terms: 2

Jockey

Japanese: 騎手

The rider who rides a horse in a race and makes tactical decisions such as position, pace, and when to ask the horse for maximum effort.

Aliases: Race rider

Category: People in racing

Related terms: 2

Jump course

Japanese: 障害コース

A course or section of a racecourse equipped with obstacles for jump racing.

Category: Track surfaces and conditions

Related terms: 3

Jump racing

Japanese: 障害競馬

Racing in which horses must jump obstacles such as hurdles or fences during the race.

Category: Race types and conditions

Related terms: 3

Left-handed course

Japanese: 左回りコース

A racecourse where horses travel around the turns in a counter-clockwise direction.

Category: Around the racecourse

Related terms: 1

Length

Japanese: 馬身

A traditional unit for expressing the distance between horses, based approximately on the length of a horse's body.

Aliases: Horse length

Category: Race terms

Related terms: 2

Link-first source

Japanese: リンク優先ソース

A source handled primarily by preserving a reviewed link and explanatory context rather than copying its body or enabling automated extraction. Link-first handling can remain in place until source-specific review supports a different mode.

Aliases: Link-only source

Category: Sources

Related terms: 2

Listed race

Japanese: リステッド競走

A recognized stakes-level race below the principal Group or Grade classifications in systems that use Listed status.

Aliases: Listed stakes

Category: Race types and conditions

Related terms: 2

Maiden

Japanese: 未勝利馬・メイドン

A horse that has not yet won a race, or a race restricted mainly to horses that have not yet won, depending on local rules.

Aliases: Maiden race

Category: Race types and conditions

Related terms: 0

Mare

Japanese: 牝馬（成馬）

An adult female horse. The age at which a filly is described as a mare depends on local convention.

Category: Horse age and sex

Related terms: 3

Meeting

Japanese: 開催（ミーティング）

A set of races held at a racecourse as one organized racing event, usually on the same day or within one defined session.

Aliases: Race meeting

Category: Race terms

Related terms: 3

Middle distance

Japanese: 中距離

A race distance between sprinting and staying ranges. Exact boundaries vary by jurisdiction.

Category: Race types and conditions

Related terms: 2

Neck / Head / Nose

Japanese: 首差・頭差・鼻差

Common terms for very small finishing margins, smaller than a full length. Exact terminology and measurement conventions can vary by racing jurisdiction.

Aliases: Short margins

Category: Race terms

Related terms: 2

Odds

Japanese: オッズ

The betting price attached to a possible result. Odds change as betting continues and differ between betting systems.

Aliases: Betting odds, Prices

Category: Race terms

Related terms: 2

Official calendar

Japanese: 公式開催カレンダー

A fixture or meeting schedule published by a responsible racing authority, governing body, operator, or other first-party organization. It is a source document for scheduled dates, not a complete racecard.

Aliases: Official fixture calendar, Official schedule

Category: Sources

Related terms: 2

Official racecard

Japanese: 公式レースカード

A racecard published by the responsible authority, operator, or other first-party racing organization. Where Horses Run may link to it but does not treat the complete entries, odds, results, or payout content as a reusable public dataset.

Aliases: Official card, First-party racecard

Category: Sources

Related terms: 2

Official source

Japanese: 公式ソース

A source published or maintained by the authority, operator, or organization responsible for the information. Official status identifies provenance; it does not guarantee permanent availability, error-free content, or automatic acceptance by Where Horses Run.

Aliases: First-party source

Category: Sources

Related terms: 7

Owner

Japanese: 馬主

The person, partnership, company, or syndicate that owns a racehorse or an ownership share in it.

Aliases: Racehorse owner

Category: People in racing

Related terms: 2

Pacing

Japanese: ペース競走

A harness-racing gait in which the two legs on the same side move forward together.

Category: Race types and conditions

Related terms: 2

Paddock / Parade ring

Japanese: パドック・下見所

The area where horses are presented before a race so connections, officials, and spectators can see them before they go to the track.

Aliases: Parade ring, Walking ring

Category: Around the racecourse

Related terms: 1

Pari-mutuel / Tote betting

Japanese: パリミュチュエル・トータリゼータ方式

A betting system in which stakes are pooled and final returns are calculated from the pool after deductions, rather than being fixed by a bookmaker when the bet is placed.

Aliases: Tote, Pool betting

Category: Race terms

Related terms: 3

Payouts

Japanese: 払戻

The returns paid on successful bets after the race result is settled under the applicable betting system.

Aliases: Dividends, Returns

Category: Race terms

Related terms: 2

Photo finish

Japanese: 写真判定

The use of finish-line imaging to determine the order when horses cross the line too closely for a reliable visual decision in real time.

Aliases: Finish photo

Category: Race terms

Related terms: 2

Place bet

Japanese: 複勝・Place

A bet that pays when the selected horse finishes within a specified number of top positions. The number of paying places depends on local rules and field size.

Aliases: Place

Category: Race terms

Related terms: 2

Post time

Japanese: 発走予定時刻

The scheduled time at which a race is due to start. The actual start can be later if the program is delayed.

Aliases: Scheduled start time

Category: Race terms

Related terms: 2

Quarter Horse racing

Japanese: クォーターホース競馬

Racing for American Quarter Horses, especially known for explosive speed over short distances.

Category: Race types and conditions

Related terms: 2

Quinella

Japanese: 馬連・Quinella

A bet requiring the first two finishers to be selected, usually in either order.

Category: Race terms

Related terms: 2

Race pace

Japanese: レースペース

How fast the field is travelling during different stages of a race, especially the early and middle sections.

Aliases: Pace

Category: Race terms

Related terms: 2

Racecard

Japanese: レースカード（出走表）

The race-by-race program for a meeting, showing information such as runners, jockeys, trainers, weights, post times, and sometimes odds or other details.

Aliases: Card, Race program

Category: Race terms

Related terms: 5

Racecourse

Japanese: 競馬場

A venue built for horse racing, including the track and usually facilities such as grandstands, paddocks, weighing areas, and stables.

Category: Around the racecourse

Related terms: 10

Racecourse operator

Japanese: 競馬場運営者

An organization responsible for operating a racecourse or racing venue and often publishing local venue, fixture, or race information. An operator is not automatically the governing body or racing authority for the wider jurisdiction.

Aliases: Track operator, Venue operator

Category: Racing organizations

Related terms: 2

Racing authority

Japanese: 競馬当局

An official regulatory or administrative body responsible for oversight of racing within a jurisdiction or defined system. It may also be a governing body or operator, but Where Horses Run records those functions separately when possible.

Aliases: Racing regulator, Racing administration

Category: Racing organizations

Related terms: 2

Results

Japanese: 競走結果

The official outcome of a race, including finishing order and any later changes made under the racing rules.

Aliases: Race results, Official results

Category: Race terms

Related terms: 1

Right-handed course

Japanese: 右回りコース

A racecourse where horses travel around the turns in a clockwise direction.

Category: Around the racecourse

Related terms: 1

Scratch / Withdrawal

Japanese: 取消・出走取消

The removal of a horse from a race after it had been entered or declared to run. Terminology and timing rules vary by jurisdiction.

Aliases: Scratched, Withdrawn

Category: Race terms

Related terms: 1

Sex-restricted race

Japanese: 性別限定競走

A race restricted by sex, such as races for fillies and mares only.

Category: Race types and conditions

Related terms: 2

Source status

Japanese: ソース状態

A Where Horses Run label describing how a source is currently reviewed or handled, such as candidate, link-first, parser-reviewed, unavailable, or stale. It is an operational state, not a universal quality score for the organization.

Aliases: Source handling status

Category: Sources

Related terms: 2

Sprint

Japanese: スプリント

A short-distance race where early speed and acceleration are especially important.

Aliases: Sprint race

Category: Race types and conditions

Related terms: 1

Stakes race

Japanese: ステークス競走

A race carrying elevated sporting importance or prize value within a jurisdiction. The exact eligibility and naming rules vary by country.

Aliases: Stakes

Category: Race types and conditions

Related terms: 2

Standardbred

Japanese: スタンダードブレッド

The horse breed most closely associated with modern harness racing, including trotting and pacing races.

Aliases: Standardbred horse

Category: Horse breeds

Related terms: 3

Starter

Japanese: スターター（発走担当）

The official responsible for the starting procedure and for releasing the field when the race begins.

Aliases: Official starter

Category: People in racing

Related terms: 1

Starting gate

Japanese: 発馬機・スターティングゲート

A starting apparatus with individual stalls used to release horses together at the start of many flat races.

Aliases: Starting stalls, Gate

Category: Around the racecourse

Related terms: 2

Staying race

Japanese: 長距離戦

A longer-distance race in which stamina and the ability to conserve energy are especially important.

Aliases: Stayer race

Category: Race types and conditions

Related terms: 2

Steeplechase

Japanese: スティープルチェイス

A type of jump race run over fences and other substantial obstacles, often over longer distances.

Category: Race types and conditions

Related terms: 2

Steward

Japanese: スチュワード（裁決委員）

An official who oversees racing conduct and applies the rules, including investigating incidents and deciding penalties or changes to results where permitted.

Aliases: Racing steward

Category: People in racing

Related terms: 1

Stewards' inquiry

Japanese: 審議・裁決審査

An official review by racing stewards of an incident that may have affected safety, fairness, or the race result.

Aliases: Inquiry, Objection review

Category: Race terms

Related terms: 2

Straight course

Japanese: 直線コース

A racing course, or a race layout, run entirely or mainly on a straight section without ordinary turns.

Category: Around the racecourse

Related terms: 1

Sulky

Japanese: サルキー

The lightweight two-wheeled cart pulled by a horse in harness racing, with the driver seated behind the horse.

Category: Around the racecourse

Related terms: 2

Thoroughbred

Japanese: サラブレッド

A horse breed developed for speed and racing and used in most of the world's major flat races.

Aliases: Thoroughbred horse

Category: Horse breeds

Related terms: 1

Thoroughbred flat racing

Japanese: サラブレッド平地競馬

Flat racing for Thoroughbred horses. It is the form of racing seen in most major international race meetings, on turf, dirt, or all-weather tracks.

Aliases: Thoroughbred racing

Category: Race types and conditions

Related terms: 2

Track record

Japanese: コースレコード

The fastest officially recognized time recorded for a specified course and distance at a racecourse.

Aliases: Course record

Category: Race terms

Related terms: 1

Trainer

Japanese: 調教師

The person responsible for preparing and managing a racehorse's training, fitness, and race program.

Aliases: Racehorse trainer

Category: People in racing

Related terms: 3

Trifecta

Japanese: 三連単・Trifecta

A bet requiring the first three finishers to be selected in the correct order.

Category: Race terms

Related terms: 2

Trotting

Japanese: トロット競走

A harness-racing gait in which diagonal pairs of legs move together. Horses must maintain the required gait under the applicable rules.

Category: Race types and conditions

Related terms: 2

Turf

Japanese: 芝

A grass racing surface. Turf racing is common in many countries and the condition of the grass can affect how a race unfolds.

Category: Track surfaces and conditions

Related terms: 2

Weight carried

Japanese: 負担重量

The total racing weight a horse is required to carry, including the jockey and specified equipment under the applicable rules.

Aliases: Assigned weight

Category: Race terms

Related terms: 2

Weight-for-age

Japanese: 馬齢重量

A weight scale that adjusts the weight horses carry according to age, and sometimes other conditions, to account for physical maturity.

Aliases: WFA

Category: Race types and conditions

Related terms: 1

Win bet

Japanese: 単勝

A bet that wins if the selected horse wins the race.

Aliases: Win

Category: Race terms

Related terms: 2

Winning margin

Japanese: 着差

The measured separation between horses at the finish, often expressed as lengths or smaller terms such as a neck, head, or nose.

Aliases: Margin

Category: Race terms

Related terms: 3