Left-Handed vs Right-Handed Racecourses: Do Favourites Win More?
Favourites win marginally more often on right-handed British and Irish tracks, but the market already prices track direction closely. The useful differences show up in the race codes.
Written by Saskia van der BergHorse Racing Tips specialist
- Sport
- Horse Racing
- Question
- Do favourites win more often on left-handed or right-handed racecourses in Britain and Ireland?
- Survey
- UK and Irish racing, June 2024 to December 2025, 10,334 turning races
- 35.4%Favourites won on left-handed tracks
- 36.5%Favourites won on right-handed tracks
- +1.1 ptsRight-handed minus left-handed
- 10,334Turning races analysed
Every yard has a theory about track direction: this horse hangs left, that one needs a right-handed bend to stay balanced. For a bettor, the bigger question is whether direction shifts the market as a whole. I took 10,334 UK and Irish races that run round at least one turn and asked whether favourites win more often going one way than the other.
The headline answer is a slight lean to the right. Favourites won 35.4% on left-handed tracks and 36.5% on right-handed ones, a difference of +1.1 pts that sits inside the combined 95% range of ยฑ1.8 points. The market appears to have priced direction close to fully, so the interesting material lives in the details. I keep this study beside my horse racing tips and results page as background, not as a system.
Ground 1Both directions sit within a point of the market
This chart sets each favourite's starting-price chance, with the bookmaker margin stripped out, against how often it actually won. Left-handed favourites were priced at 36.1% and won 35.4%, a gap of โ0.7 points. Right-handed favourites were priced at 36.0% and won 36.5%, a gap of +0.5 points. Both gaps sit comfortably inside their uncertainty bands.
The split by code is where I look harder. Over jumps the two directions are almost identical, 36.4% against 36.7%. In Flat races of 1m2f or more, favourites won 33.5% left-handed and 35.7% right-handed, but the right-handed Flat group rests on only 1,090 favourites, so its band is wide.
View the data: favourites: priced vs won by track direction
| Priced | Won | 95% range | |
|---|---|---|---|
| All UK & Irish races (19,719 favourites) | 34.8% | 34.5% | ยฑ0.7 |
| Left-handed (5,839 favourites) | 36.1% | 35.4% | ยฑ1.2 |
| Right-handed (4,454 favourites) | 36.0% | 36.5% | ยฑ1.4 |
| Left-handed ยท Jumps (3,731 favourites) | 37.1% | 36.4% | ยฑ1.5 |
| Left-handed ยท Flat 1m2f+ (2,108 favourites) | 34.3% | 33.5% | ยฑ2 |
| Right-handed ยท Jumps (3,364 favourites) | 36.3% | 36.7% | ยฑ1.6 |
| Right-handed ยท Flat 1m2f+ (1,090 favourites) | 35.1% | 35.7% | ยฑ2.8 |
What I take from this is that the price already knows which way the track turns. Fair odds of 2.83 for a left-handed favourite and 2.74 for a right-handed one are close enough that direction alone should not change a stake.
Ground 2Big-priced winners turn up just as often either way
If one direction produced more chaos, it would show here as a fatter slice of big-priced winners. It does not. Winners returned at 20.0 or bigger in 7.5% of left-handed races and 7.6% of right-handed races, both a touch below the 8.0% seen across all UK and Irish races.
At the short end the picture is just as even: winners under 4.0 made up 38.0% of left-handed races and 38.2% of right-handed ones. The one structural difference is field size, 8.9 runners left-handed against 9.6 right-handed. You might expect smaller fields to help left-handed favourites, but the chart gives no sign of it.
View the data: winner's starting price by track direction
| Under 4.0 | 4.0-9.9 | 10.0-19.9 | 20.0+ | |
|---|---|---|---|---|
| Left-handed | 38.0% | 40.1% | 14.4% | 7.5% |
| Right-handed | 38.2% | 38.8% | 15.4% | 7.6% |
| All UK & Irish races | 35.4% | 41.1% | 15.5% | 8.0% |
For each-way purposes, that matters to me. Turning tracks in either direction throw up outsiders slightly less often than racing as a whole, so I would not lean on direction to justify a long-priced place bet.
Ground 3Hurdles and bumpers pull the returns in opposite directions
Here I asked a blunt question: what happens if you back every favourite to a level stake at the starting price? Overall it returned โ1.7% on left-handed tracks and +1.8% on right-handed ones. That looks like a tidy edge until you break it down by code.
Hurdle favourites drive most of it, returning โ0.9% left-handed and +5.5% right-handed. Bumpers run the other way, at +1.9% left-handed and โ5.0% right-handed. Chases barely differ at โ3.0% and โ2.8%, and Flat 1m2f+ favourites sit at โ2.2% and +1.3%.
View the data: backing every favourite: return by code
| Left-handed | Right-handed | |
|---|---|---|
| Hurdle | โ0.9% | +5.5% |
| Chase | โ3.0% | โ2.8% |
| Bumper | +1.9% | โ5.0% |
| Flat 1m2f+ | โ2.2% | +1.3% |
| All turning races | โ1.7% | +1.8% |
When the codes point in opposite directions like this, I read it as noise around a well-priced market rather than a rule. The right-handed hurdle figure is one I would keep watching, but I would not back it blind.
Ground 4Britain and Ireland tell slightly different stories
Splitting by country is where the main caveat matters most. Direction is tied to the courses that use it, and a few busy tracks carry each group, so course character and race class differ as much as the bend does. The window also covers only two summers and one winter.
With that said, Britain's right-handed favourites stand out. They won 39.0% against a priced chance of 37.4%, a gap of +1.5, with a return of +4.9% and fair odds of 2.57. Ireland's left-handed favourites are the weakest group, winning 31.0% against 33.7% priced, a gap of โ2.8 and a return of โ8.8%, from only 875 races.
| Group | Races | Fav won | Priced | Gap (pts) | Fav return | Fair odds |
|---|---|---|---|---|---|---|
| Britain ยท Left-handed | 4,990 | 36.1% | 36.5% | โ0.4 | โ0.4% | 2.77 |
| Britain ยท Right-handed | 2,358 | 39.0% | 37.4% | +1.5 | +4.9% | 2.57 |
| Ireland ยท Left-handed | 875 | 31.0% | 33.7% | โ2.8 | โ8.8% | 3.23 |
| Ireland ยท Right-handed | 2,111 | 33.7% | 34.4% | โ0.7 | โ1.6% | 2.97 |
I treat that Irish left-handed figure as a reason to look twice at a short favourite, not as a reason to oppose every one. Small samples tend to exaggerate extremes.
Where to look
- Don't judge on direction alone
Both groups sit within about a point of their SP-implied chance. A track turning one way is not, on its own, a reason to back or oppose the favourite.
- Check the race code first
Right-handed hurdle favourites returned +5.5% while right-handed bumper favourites returned โ5.0%. The type of race tells you more than the bend does.
- Question short Irish favourites
On left-handed Irish tracks, favourites won 31.0% against 33.7% priced. That gives me a reason to look more closely at the rivals for each-way value.
Questions bettors ask
Do favourites win more often on right-handed racecourses?
Slightly: 36.5% on right-handed tracks against 35.4% on left-handed tracks in turning races. The +1.1 pts difference sits inside the combined 95% range, so it is not strong evidence of a real effect.
Is backing favourites profitable on right-handed courses?
At the starting price, backing every right-handed favourite returned +1.8%, against โ1.7% left-handed. Most of that came from hurdle favourites at +5.5%, and it does not hold across every code, so I would not treat it as a dependable system.
Do more outsiders win on left-handed tracks?
No. Winners at 20.0 or bigger came in 7.5% of left-handed races and 7.6% of right-handed races, both below the 8.0% across all UK and Irish races.
I'm Saskia van der Berg, based in Amsterdam, and I write the horse racing results and tips at horse-racing.tips โ read through the going, the draw and the pace, never the price of the favourite.
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