Multi-Race Bets in Horse Racing

What multi-race bets are

Most horse racing bets are about a single race: you pick a winner, or the first two, or the first three. Multi-race bets are different. They string several races together, called legs, and your ticket only wins if every leg comes in. One race is not enough. You have to be right two, three, five or even six times in an afternoon.

The classic multi-race bets are the ones that ask for winners: the Double (two races), the Treble (three races) and the Pick Six (six races). The harder versions ask for the top three finishers in each leg, in any order: the Double Trio covers two races and the Triple Trio covers three. The Six Up sits in between, asking only for the first or second horse in each leg, but across five or six races.

These bets are pari-mutuel, which means everyone's money goes into a shared pool and the winners split it. The Hong Kong Jockey Club's rulebook defines the full family: the Double, Double Trio, Triple Trio, Six Up, Treble and All Up, alongside single-race bets like Win, Place, Quinella and Trio¹. Singapore Pools lists a similar set in its own game rules, including Double Betting, Double Trio Betting, Triple Trio Betting and Six Up Betting⁴.

Japan's racing law takes a different route to the same idea. Rather than naming individual bets, it allows a "multiple pari-mutuel betting" method alongside win, place and the two forecast bets, and the law spells out weighted-pool bets that link two to seven races, described as double, triple, quadruple, quintuple, sextuple and septuple win bets⁵. Korea's Racing Authority Act lists eight bet types, including a catch-all "special betting" category⁶.

What all of these have in common is the trade-off: the more legs you add, the harder the bet is to win, and the bigger the payout when somebody does. That is why multi-race bets are where racing's biggest jackpots live. If you are new to the single-race bets these build on, the horse racing bet types page covers Win, Place, Quinella and the rest.

Double: picking winners of two races

The Double is the simplest multi-race bet. You pick the winner of the first nominated race and the winner of the second nominated race. Both must finish first¹.

Hong Kong adds a soft landing. If you get the first leg right but your second-leg horse finishes second, you still collect a consolation payout, because the consolation combination is the winner of the first leg coupled with the second-place horse in the second leg¹. The consolation pool is separate from the main pool, so the dividend is smaller, but it rewards the near miss.

The Philippines offers the same idea under the name Daily Double: first place winner only, on two designated consecutive races⁷. The races are always announced in advance, so check the racecard or the declarations before you commit, since the designated races are fixed by the operator and printed on the day's program⁸.

A practical note on cost: if you are not sure about one leg, you can cover more than one horse in it. The price of your ticket is the number of combinations it contains, so two horses in one leg and one in the other is two combinations, and two horses in each leg is four. This is the same logic behind banker, box and multiple bets.

Double Trio: top three in two races, any order

The Double Trio steps up the difficulty. Instead of picking one winner in each of two nominated races, you must select the first, second and third horses, regardless of the finishing order, in each of the two races¹. The Chinese-language rules describe it the same way: the bettor must select the first, second and third horses in each of two designated races, in any order⁹.

To understand what that means in practice, it helps to look at the single-race version. A Trio bet in Japan asks you to pick the horses that finish in the top three, any order¹⁰. With 12 horses running, you have a 1 in 220 chance of winning a single Trio¹⁰, and with 16 runners there are 560 possible combinations¹¹. The Double Trio asks you to do that twice, once in each leg, on the same ticket.

Because each leg is "any order," the bet is more forgiving than it sounds. You do not need to know whether your horse finished first, second or third, only that all three of your selections filled the podium. But the number of combinations multiplies across the legs, which is why even a modest Double Trio ticket can pay many times what a single-race Trio pays.

Triple Trio: top three in three races, any order

The Triple Trio is the Double Trio with one more leg, and that extra leg changes everything. You must select the 1st, 2nd and 3rd horses, regardless of finishing order, in each of the three legs¹. The Chinese rules call it the 三T and describe it identically⁹.

The consolation is generous by design. If you nail the top three in the first two legs but miss the third, you still collect, because the consolation combination is the correct top three in the first two legs⁹. That is a meaningful cushion: two-thirds of the bet done well still pays something.

The numbers explain why this bet is famous. A single race with 16 runners offers 560 trio combinations¹¹, and the Triple Trio asks you to get that right three times over. The total number of combinations is the product across all three legs, which runs into the millions on a full card. Almost nobody wins on any given day, and that is precisely the point: the pool rolls over and grows, which is covered in detail below and on the racing jackpots and carryovers page.

The pool has a floor for viability. If fewer than four horses are declared in all legs, the Triple Trio pool closes and all bets are refunded¹². In practice this almost never happens on a Hong Kong card, where fields are large, but it is the rule.

Six Up: first or second in five to six legs

The Six Up is Hong Kong's endurance test. You must select the 1st or 2nd horse in each of the nominated races, and there are not less than five nor more than six of them¹. The Chinese rules call it the 六環彩 and describe it the same way: the first or second placed horse in each race of five to six legs⁹.

Because you only need the first two home in each leg, each individual leg is easier than a win-only leg. But five or six legs of it is a long chain, and one miss kills the ticket. To reward perfection, there is a Six Win Bonus: if the winning combination consists of the first horse in every nominated race, the bonus is paid on top¹.

The refund rules for legs that go wrong are unusually detailed.

The illustration rules put it plainly: if all legs have no horse finishing, refund¹⁴.

The Philippines runs a win-only cousin called the Pick Six: first place winner only, on six designated consecutive races⁷. It is harder leg by leg than the Six Up, since second place counts for nothing.

Treble: winners of three designated races

The Treble is the Double's bigger sibling. You select the 1st horse in each of three nominated races¹. The nominated races are whichever three races the operator designates, and race programs label them accordingly; a declarations page for a Hong Kong meeting, for example, lists the "1st Treble" as races 2, 3 and 4, with further trebles later on the card⁸. So the Treble is not always the last three races; it is whichever three races the operator designates, and there is usually more than one treble per meeting.

The consolation follows the same pattern as the Double's. The consolation combination is the winner of the first two legs coupled with the second-place horse in the third leg¹. So if you sweep the first two legs and your last pick runs second, you still get paid.

Hong Kong's Chinese rules also define a bet called the 三寶, the Triple, which likewise asks for the first-placed horse in each of three designated races, with the same consolation structure⁹. The Treble remains part of the current rulebook: it is defined in the Hong Kong Jockey Club's betting rules in their May 2025 edition¹.

Why Triple Trio pools grow so large

Every pari-mutuel bet pays out of a shared pool, but the multi-race bets behave differently because of one word: jackpot. The Hong Kong Jockey Club's own guide states it directly: Double Trio, Triple Trio and Six Up are known as jackpot pools, where the jackpot will be carried forward to the next meeting if there are no winning units².

That single rule is the engine. On most race days, nobody holds a winning Triple Trio ticket. The millions of combinations are simply not all covered. So the pool does not get paid out; it gets added to the next meeting's Triple Trio pool, and the next, until somebody finally lands all three legs. A pool that starts the season modest can, after weeks of carryovers, become the kind of number that makes the racing news. The HKJC Triple Trio jackpot page walks through how the carryover works in practice.

The dividend structure is fixed by rule. For the Triple Trio, 85 percent of the net pool is divided by the number of unit bets on the winning combination, and the remaining 15 percent goes to the consolation combination¹². The consolation dividend is capped at one fiftieth of the winning dividend¹², so the big money always stays with the full winners.

How the money is actually paid depends on where you bet. In Hong Kong, all bets must be made and settled in Hong Kong currency³, and any betting ticket eligible for a dividend, refund or rebate is paid in multiples of 50 cents, rounded up or down to the nearest 50 cents³. Singapore Pools declares winnings per unit bet from the net betting pool divided by the number of unit bets on the winning combination, and may declare winnings in multiples of S$1, rounded down to the nearest dollar, or in fractions of a dollar⁴.

For a sense of scale on the single-race bets that feed into these pools, Japan's official guide gives worked examples: a Trio bet of ¥100 on the right three horses, any order, pays out ¥1,710, while a Trifecta of ¥100 on the exact order pays ¥5,190¹⁵. A Place bet of ¥100 on a horse finishing in the first three pays out between ¥110 and ¥130¹⁵. Multi-race dividends are typically far larger, because the pool has accumulated across legs and, for the jackpot bets, across meetings.

Big prizes are part of Hong Kong racing's culture beyond the tote, too. The Club has offered a HK$10,000,000 special bonus for the Triple Crown Series, the three-race championship for horses rather than bettors¹⁶, which gives a sense of the sums that circulate in the sport.

Consolation prizes and rollover rules

The consolation system is what makes these bets playable. Here is the full picture:

• Double: consolation is the winner of leg one coupled with the second-place horse in leg two¹.
• Treble: consolation is the winners of the first two legs coupled with the second-place horse in the third leg¹.
• Triple Trio: consolation is the correct top three, any order, in the first two legs⁹, funded by 15 percent of the net pool and capped at one fiftieth of the winning dividend¹².

Rollovers apply to the three jackpot bets. If there is no winning unit in the Double Trio, Triple Trio or Six Up, the pool carries forward to the next meeting². Non-jackpot multi-race bets, like the Double and Treble, do not roll over in this way; if nobody holds the winning combination, the pool is settled through the consolation structure instead.

Scratchings are handled with a simple principle. Where a single-race pool has a scratched horse, bets related to that horse are refunded; for multiple bets, only the portion relating to the scratched horse is refunded, and the rest of the bet stands¹³. So if one of your Double horses is scratched, you get that part of your stake back and your other leg continues on its own. The scratched horse refunds page covers this in more depth.

Singapore's Roll Win bet has its own rollover, of a different kind. You select horses to win in 2 or 3 different races, and the winning dividend and/or refund from each race is automatically rolled over to the next selected race on your ticket¹⁸. Here the rollover is within your own bet, not across meetings: your race-one winnings are reinvested in your race-two selection, which is how a small stake can grow leg by leg. Roll Win is offered on Singapore and Hong Kong races and shares the same betting pool as the WIN bet¹⁹.

Where these bets are offered

Hong Kong is the home of the full multi-race family. The Hong Kong Jockey Club offers the Double, Double Trio, Triple Trio, Six Up, Treble and All Up on its race days at Happy Valley and Sha Tin, and its betting rules define each one in detail¹. The All Up deserves a mention here: it lets you combine bets across 2 to a maximum of 6 races, choosing from pools like Win, Place, Quinella, Quinella Place, Forecast and Trio, with any dividend from a winning leg automatically carried forward and reinvested in the next leg you selected². It is the build-your-own version of a multi-race bet.

Singapore Pools lists Double, Double Trio, Triple Trio and Six Up among its horse racing bet types in its official game rules⁴, and offers Roll Win as its signature linked bet on Singapore and Hong Kong races¹⁹. You can place horse racing bets there online, with bet slips at outlets, or through live betting at LiveWire venues²⁰.

The Philippines offers the Daily Double and Pick Six through Philracom's betting windows⁷. At the teller, you say the race number, the type of bet, the amount and the horse's number, in that order⁷.

Japan's approach is defined by law rather than by bet name. The Horse Racing Act provides five methods of pari-mutuel betting: win, place, correct-order forecast, either-order forecast and multiple pari-mutuel betting⁵, and the law spells out the weighted-pool bets that link races, from the double up to the septuple win bet⁵. JRA's beginner book describes the eight ticket types available, nine with WIN5, and where to buy them: at the racecourses, at WINS and EXCEL off-course branches, and through internet voting²². Local government racing (NAR) follows the same legal framework, and its how-to-bet guides walk through the same tickets at regional tracks²³.

Korea's KRA lists its bet types with short English definitions, including Q (two horses first and second in either order), QP (two horses in the top three, any order) and T (three horses in the top three, any order)²⁴, with multi-race bets falling under the "special betting" category in the law⁶.

Before you place your first multi-race bet

If you are trying one of these bets for the first time, here is a short checklist:

1. Find the designated races. Multi-race bets only apply to specific legs chosen by the operator, printed on the racecard and declarations⁸. Do not assume the Double is always the first two races.
2. Count your combinations. Your ticket price is your stake per combination multiplied by the number of combinations. Two horses in one leg of a Double doubles the cost; boxing three horses in one leg of a Triple Trio gives you one combination per leg but a box of four gives four.
3. Check the field sizes. The Triple Trio pool closes if fewer than four horses run in all legs¹², and the Six Up closes if fewer than three run in all legs¹². Small fields also change what "top three" means in the underlying Trio legs.
4. Know the consolation before you bet. The Double, Treble and Triple Trio all pay something for a near miss¹, so a ticket that dies in the last leg may not be a total loss.
5. Expect carryovers on the jackpot bets. If nobody wins the Double Trio, Triple Trio or Six Up, the pool rolls to the next meeting², which is why seasoned players watch for carried-over pools and bigger potential dividends.
6. Sort out your money first. In Hong Kong everything is in Hong Kong dollars and dividends come in multiples of 50 cents³; in Singapore, winnings are declared per unit bet from the net pool, in multiples of S$1 rounded down or in fractions of a dollar⁴.
7. Buy from the right places. Official channels only: the racecourse, off-course branches like WINS and EXCEL in Japan²², Singapore Pools outlets and LiveWire venues²⁰, and Philracom tellers in the Philippines⁷.

One last thing worth knowing: these bets are hard. A single Trio with 12 runners is a 1 in 220 shot¹⁰, and the multi-race versions stack that difficulty leg after leg. The appeal is exactly that difficulty, and the pools that grow because of it. Bet small, enjoy the afternoon, and treat the jackpot as a bonus rather than a plan.