Set weights are race conditions that fix the weight each runner carries in advance, from rules such as age and sex rather than a handicapper's view of its ability. In a set weights plus penalties race the conditions also add kilos for wins a horse has already had.
The Australian Turf Club's 2026 conditions for the Golden Slipper set 56.5kg for colts and geldings and 54.5kg for fillies, with no apprentice claims; Golden Slipper betting covers the race itself.
Set weights, handicaps and weight for age compared
| System | Who sets each weight | Does a better horse carry more? |
|---|---|---|
| Set weights | The race conditions, by age and sex | No |
| Set weights plus penalties | The conditions, plus kilos for named wins | Only through its penalties |
| Weight for age | Racing Australia's scale by age, sex, distance and month (AR 168) | No |
| Handicap | A handicapper, from each horse's rating | Yes, by design |
One card can carry all four: Rosehill's program for 22 March 2025 printed Standard Weight for Age, Set Weights (the Golden Slipper among them), Set Weights plus Penalties, and handicaps from a BenchMark 72 to the Group 1 Galaxy. Handicap races covers the last system in full.
How penalties for previous wins work
The conditions name which wins add weight, by prize money, class or date. The Australian Rules of Racing then fix a few limits:
- Penalties are not cumulative unless the conditions say so (AR 174).
- No allowance for being beaten, except in maidens and races whose weights depend on wins (AR 171), and no extra weight for running second or worse (AR 172).
- A horse that dead-heats for first carries the winner's penalty in full (AR 178).
Worked: penalties in a two-year-old race
The Canonbury Stakes, a Group 3 over 1100m for two-year-old colts and geldings at Rosehill on 31 January 2026, set a 54.5kg base. A winner of a race worth more than $40,000 to the winner carried 1.5kg extra, a winner of one worth $60,000 or more 3kg, and penalties were not cumulative. Four illustrative colts under those conditions:
| Colt | Wins before the race | Penalty | Weight carried |
|---|---|---|---|
| A | None | 0kg | 54.5kg |
| B | One race worth $40,000 to the winner | 0kg, because the 1.5kg starts above $40,000 | 54.5kg |
| C | One race worth $45,000 to the winner | 1.5kg | 54.5 + 1.5 = 56kg |
| D | Races worth $45,000 and $70,000 to the winner | 3kg, not 1.5 + 3 = 4.5kg | 54.5 + 3 = 57.5kg |
The field spreads across 57.5 - 54.5 = 3kg, all of it decided by what each colt has already won. The fillies' race on the same card, the Widden Stakes, used the same 54.5kg base with no fillies allowance, since AR 169's 2kg applies only in races not restricted to fillies and mares.
What set weights mean for a price
At set weights a better horse is not weighted back to the field, so class gaps show more plainly than in a handicap. The question a penalty raises is whether its kilos match the form gap, and a kilogram is worth more lengths over a longer trip, as weight in horse racing shows. The conditions line above each race says which system applies (how to read a form guide).
Risk: Betting involves risk. A penalty only tells you what the conditions charged for a win, not whether that colt will repeat it, and a well-weighted runner can still be beaten. Free help and limit settings are on responsible gambling.
Where B337 fits
B337 does not weigh penalties or rate runners. Its Terminal lines up prices from 40+ bookmakers across racing and sports, and its flucs show how a penalised winner's price has moved. A free account opens a limited view of the Terminal with live odds.
Risk: Betting involves risk. A price move on a penalised winner is the market's view of the extra kilos, not a result. See responsible gambling for support.