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Circuit Breaker

Circuit Breaker is a six-year-old who has found just enough success to stay competitive, though not quite enough to break through consistently. The horse has won three times in 24 races — roughly once every eight outings — with a second career record of 11 placed finishes. That's the kind of record that keeps a horse in work and in the races, but it also speaks to a horse that has to be placed carefully to succeed.Based on TrackLab's AI analysis
Quick Facts
Age
6 years old
Sex
Gelding
Colour
Bay
Father
Nathaniel
Mother
Australian Queen
Trainer
Jonjo & A.J. O'Neill
Owner
Tanzanite
Rating
70

📊 Key Numbers

Career statistics for this horse
24
Career races
3
Wins
12.5%
Win rate
avg ~10%
45.8%
Place rate (top 3)
avg ~30%
1 days
Since last race

🔍 Full Analysis

TrackLab's AI-generated assessment based on career data and recent form
TrackLab's Detailed Breakdown
Auto-Generated

The real story here is Kempton Park. Circuit Breaker has won twice from just three races at the track, a win rate of roughly two wins in every three runs. That level of dominance at a single venue is unusual and tells you something important: this horse has genuine ability when conditions and opposition align. His most recent victory came there in October 2024, and while that win came in a small field of only four runners, it showed that the horse can still perform at the level that matters. The trainer noted after that run that Circuit Breaker is an out-and-out stayer — the kind of horse built for longer distances and ground with some give in it — and that the victory had him thinking about spring targets like the River Don, a race designed for exactly this type of stayer.

Since that win, though, Circuit Breaker has not managed another success in his last six races. His recent form reads 4-4-6-3-6-6, which shows he is finding places but no longer finding the winner's circle. At Class 4 level — the everyday racing where this horse typically competes — he has won 2 of 9 races, a decent 22 percent win rate. The challenge now is finding the right race, the right ground, and the right setup. Ridden mostly by Cieren Fallon, the pair have not yet clicked on the track, with no wins from five rides together. But Kempton, on its artificial surface with a stayer-friendly setup, has always brought out the best in this horse. That remains the template.

Strengths & Risks

What the data says works for and against this horse
✓ What works in their favour
Excellent record on good ground: 1 wins from 4 starts (25%)
⚠ What to watch out for
Poor record on standard ground: 0 wins from 9 starts
Struggles on LH Galloping tracks: 0 wins from 11 starts

🎯 Where This Horse Thrives

Performance broken down by ground, distance, class, and track type
🌧 Ground Conditions
Good (firm-ish)
Loves
Soft (muddy)
Good to soft (some give)
Unknown
Standard to slow (all-weather)
Unknown
Good to firm (drying out)
Unknown
Standard (all-weather)
Avoids
📏 Race Distance
1M3F – 1M4F
Unknown
1M6F – 2M
Ok
Long Distance (2M+)
Ok
🏅 Competition Level
Class 2 (high-level)
Avoids
Class 3 (mid-level)
Avoids
Class 4 (standard)
Loves
Class 5 (entry-level)
Loves
🏟 Track Shape
Right-handed, long straights
Loves
Right-handed, tight turns
Loves
Right-handed, hilly
Unknown
Left-handed, tight turns
Unknown
Left-handed, long straights
Avoids

📅 Recent Runs

The last 10 races, most recent first
18 Aug
4th
Lingfield Park
1m6f – 2m · Standard · 8 runners
15 Jun
4th
Carlisle
1m6f – 2m · Good · 14 runners
8 May
6th
Ascot
1m6f – 2m · Good · 13 runners
3 Apr
3rd
Lingfield Park
1m6f – 2m · Standard · 14 runners
3 Mar
6th
Wolverhampton
1m6f – 2m · Standard
1 Feb
6th
Market Rasen
Long Distance (2m+) · Soft · 8 runners
6 Jan
2nd
Wolverhampton
Long Distance (2m+) · Standard · 6 runners
30 Dec
2nd
Wolverhampton
1m6f – 2m · Standard · 8 runners
11 Oct
9th
York
Long Distance (2m+) · Good · 17 runners
18 Apr
11th
Newcastle
Long Distance (2m+) · Standard · 14 runners

🏇 Jockey Partnerships

Every jockey who has ridden this horse, sorted by rides together
0%
Win rate
0/5
Won / Rode
25%
Win rate
1/4
Won / Rode
50%
Win rate
1/2
Won / Rode
50%
Win rate
1/2
Won / Rode
Jack Dace
0%
Win rate
0/2
Won / Rode
0%
Win rate
0/1
Won / Rode
0%
Win rate
0/1
Won / Rode
0%
Win rate
0/1
Won / Rode
0%
Win rate
0/1
Won / Rode
0%
Win rate
0/1
Won / Rode
0%
Win rate
0/1
Won / Rode
0%
Win rate
0/1
Won / Rode

🏟 Track Record

Win rate at each course this horse has visited
CourseRacesResultsLast visitedWin rate
Wolverhampton
Galloping
4 2 seconds, 2 other 3 Mar 0%
Kempton Park
Galloping
3 2 wins, 1 third 20 Oct 66.7%
Southwell
Galloping
2 1 third, 1 other 28 Mar 0%
Lingfield Park
Sharp
2 1 third, 1 other 18 Aug 0%
Ascot
Galloping
2 2 other 8 May 0%
Haydock Park
Galloping
2 1 second, 1 third 4 Dec 0%
Windsor
Sharp
1 1 win 8 May 100%
Newcastle
Galloping
1 1 other 18 Apr 0%
Carlisle
Undulating
1 1 other 15 Jun 0%
Hamilton Park
Sharp
1 1 other 15 Jul 0%
Market Rasen
Sharp
1 1 other 1 Feb 0%
Doncaster
Galloping
1 1 third 2 Jun 0%
Musselburgh
Sharp
1 1 other 2 Feb 0%
Salisbury
Undulating
1 1 other 16 May 0%
York
Galloping
1 1 other 11 Oct 0%