Sports
How a Melbourne Cup Sweep Works, and How to Split the Pot Fairly
Melbourne Cup Day falls on Tuesday 3 November 2026, and in a good share of workplaces someone has already volunteered to run the sweep. The volunteer inherits four decisions that are easy to leave until the morning and awkward to settle once money has changed hands: the stake, the draw, what happens to a scratched horse and how the pool is divided. In Victoria, one rule from the Victorian Gambling and Casino Control Commission shapes all four, which is that the organiser keeps nothing. The calculator below does the arithmetic for the split.
Melbourne Cup sweep calculator
Enter the number of entries and the stake, choose a split, and the prize list updates as you type. Every dollar collected goes back as prizes.
Enter the entries, the stake and a prize split. The calculator needs JavaScript to work out the prizes.
These need to add up to 100 per cent.
Enter the number of entries and the stake to see the prize list.
The draw
The draw is the last step to happen and the one most open to suspicion. Each entry is matched to a horse by random draw, and the sensible moment to hold it is once the final field is known, so that nobody draws a horse that is no longer running. Names on folded slips in one container and horses in another, drawn in front of the entrants, is the form most offices recognise, and it leaves little room for complaint.
The difficulty arises when there are more entries than horses. There are two workable responses. The first is to run two sweeps, each with its own pool and its own prize list, so that every entry still holds one whole horse. The second is to let two entrants share a horse, each paying half the stake, and to divide that horse’s prize between them. The two-sweep option keeps the arithmetic simple. The shared-horse option keeps a single pool, at the cost of a little more bookkeeping at the end.
An illustration makes the shared-horse bookkeeping concrete. In a $5 sweep, each pair sharing a horse pays $2.50 per person, so the pair together contributes one full stake and the horse carries the same $5 as every other. If a shared horse finishes second, and second place is worth $30, each member of the pair receives $15. The record of who shares which horse needs to be written down at the draw itself, not reconstructed after the race.
Whichever method is used, the draw should be visible. A draw done privately and announced later invites the suspicion that it was not random, however fairly it was conducted.
The check: decide before collecting money whether a surplus of entries means a second sweep or shared horses, and say so when inviting people to join.
Decide scratchings before money changes hands
Scratchings are easy to leave too late. A horse withdrawn after the draw leaves its entrant holding nothing, and the organiser then faces a choice that would have been simple a week earlier. The VGCCC describes two acceptable approaches, provided entrants are told which one applies before they join.
| All-in | Refund | |
|---|---|---|
| What happens to a scratched horse’s entrant | Keeps no horse and receives no refund | Receives the stake back |
| Effect on the prize pool | Unchanged | Reduced by the refunded stakes |
| Effect on the prize list | Unchanged | Altered to match the smaller pool |
| Administrative load | Low | Higher, especially with late scratchings |
The all-in approach is simpler. The pool is fixed once the money is in, the prize list never changes, and the organiser has nothing to recalculate on the day. Its weakness is felt by one person: the entrant whose horse is scratched has paid for a ticket that cannot win.
The refund approach tends to feel fairer when a late scratching hits, because nobody is left out of pocket for a horse that never ran. Its cost is a recalculation, since the pool shrinks by each refunded stake and every prize shrinks with it. The calculator handles that recalculation if the refund option is chosen.
An illustration shows the difference in dollars. Take an office sweep of 24 entries at $5, with the four-place split described below, and suppose two horses are scratched after the draw. Under all-in, the pool stays at $120 and the prizes stay at $72, $30, $12 and $6; the two entrants affected simply have no horse. Under refund, those two entrants receive $5 each, the pool falls to $110, and the prizes become $66, $27.50, $11 and $5.50. Neither result is wrong. The refund version costs the winner $6 and the last-place entrant 50 cents, in exchange for nobody having paid for a horse that did not run.
The check: write the scratchings rule into the invitation itself, so that every entrant has read it before paying.
The split
On the division of the pool, the VGCCC sets no formula. Its guidance is that there are no set guidelines for how prizes are divided, that first, second, third and last is a common method, and that the prize list must be final and clear before the sweep starts. Within those limits, the split is the organiser’s choice.
Three splits are set out below as examples. None is a legal requirement, and each suits a different office.
| Split | First | Second | Third | Last |
|---|---|---|---|---|
| Four places, with a prize for last | 60% | 25% | 10% | 5% |
| Three places, flatter | 50% | 30% | 20% | none |
| Three places, weighted to the winner | 70% | 20% | 10% | none |
On a pool of $120, from 24 entries at $5 each, the first split pays $72, $30, $12 and $6. The second, on a pool of $60 from 30 entries at $2, pays $30, $18 and $12. The difference between them is a question of preference: a flatter split spreads the pleasure across more people, while a split weighted to the winner makes first place feel like a prize worth having. A prize for last place costs little, and it gives one more entrant a reason to watch the race through to the end.
Rounding is the one technical point. Percentages of an odd pool do not always produce whole cents, and the calculator adds any leftover cent to the first prize so that the full pool is paid out.
The check: whatever split is chosen, write it down in dollars as well as percentages once the pool is known, and circulate it before the race.
The rule that shapes everything, in Victoria
The VGCCC’s position on money is the constraint that every other decision sits inside. All of the money collected must be returned as prizes. The organiser cannot keep any money for costs, so a small charge for printing, a sweep card or a contribution to drinks is not available from the pool. The total value of prizes must not exceed $5,000.
The practical effect is that the pool and the prize list are the same number. A sweep of 24 entries at $5 produces $120 in prizes and nothing else. If the organiser wants to supply a printed card or a hat for the winner, that comes from somewhere other than the stakes.
The $5,000 ceiling is unlikely to affect a typical office, but it can matter in a large workplace with a generous stake. A pool above that figure needs a lower stake or a second sweep, and the calculator flags the point at which the limit is crossed.
As an illustration, a workplace sweep of 300 entries at $20 would collect $6,000, which is over the limit. Lowering the stake to $15 brings the pool to $4,500. Alternatively, two separate sweeps of 150 entries at $20 would each hold $3,000, each with its own draw and its own prize list.
One distinction deserves mention. A Calcutta sweep, in which horses are auctioned to the highest bidder rather than drawn at random, is treated differently by the VGCCC and requires a permit. This article concerns only the ordinary random-draw sweep.
Outside Victoria, sweep rules are set by each state and territory’s own regulator. The figures and conditions above are Victorian, and an organiser elsewhere should check the rules where the sweep is held.
Is it a holiday where you are?
The answer depends on location, and within Victoria it is not uniform. Business Victoria lists Melbourne Cup Day as a public holiday across the state, except where a non-metropolitan council has arranged an alternative local holiday in its place. Hindmarsh Shire is one example: for 2026 the council moved the holiday for some of its towns to 13 and 15 October.
The consequence for a sweep organiser is straightforward. An office in a council area that has swapped the holiday may be open on Cup Day, while an office in Melbourne is not, and a sweep run across several sites may need to account for both. Like long service leave, public holidays are set state by state, so an office outside Victoria should check its own state or territory’s holiday list rather than assume Victorian arrangements apply. This article does not describe the position elsewhere.
People who would rather not
A sweep is optional, and some colleagues will prefer not to take part, often for reasons they need not explain. The invitation should make joining easy and declining easier.
In practice that comes down to a few small arrangements. The invitation goes out once, without reminders aimed at the people who have not replied. The draw happens somewhere that those who are not in it can ignore. And nothing else about the day, whether the lunch, the hats or the break to watch the race, depends on having paid a stake.
Before the barrier draw
The decisions above reduce to four lines, and an organiser who has settled all four before collecting any money will rarely face a dispute on the day.
- Stake set: one figure per entry, announced with the invitation.
- Split written down: in percentages now, and in dollars once the pool is known.
- Scratchings rule announced: all-in or refund, chosen before anyone pays.
- Record kept: a list of who paid, by cash or transfer, and how much.
The calculator above will produce the prize list in dollars once the entries are counted, and in Victoria the total it shows is the total that goes back to the entrants.
Sources: Melbourne Cup sweeps, Victorian Gambling and Casino Control Commission (https://www.vgccc.vic.gov.au/for-community/community-and-charitable-fundraising/melbourne-cup-sweeps); Victorian public holidays 2026, Business Victoria (https://business.vic.gov.au/business-information/public-holidays/victorian-public-holidays-2026); Public Holiday Arrangements in Lieu of Melbourne Cup Day 2026, Hindmarsh Shire Council (https://www.hindmarsh.vic.gov.au/Council/News-and-Media/Latest-News/Public-Holiday-Arrangements-In-Lieu-of-Melbourne-Cup-Day-2026)