Ireland 6yo

Circuit Breaker (GB)

T: Jonjo & A.J. O'Neill · J: Mr Simon Walker · O: Tanzanite

By Nathaniel (IRE) out of Australian Queen (GB)

Form 092-2663644

5/4 Current odds

3/24 W/R

82 RPR

76 TS

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Active

24 runs
3 wins
placed
12% strike
35 d off
85 best RPR

Recent form

Form figures 092-2663644 35 days off

4 4 6 3 6 6

At Lingfield (AW) 0/2 0 wins · 1 placed

On Good 1/4 1 win · 1 placed

Over 1m7f169y 0/1 0 wins · 1 placed

Best RPR 85 Career peak

Best TS 76 Career peak

Deep analytics

Career trajectory, going + distance lenses, connections history

Career Trajectory

last 24 runs · form score 0–100

Win
Placed
Mid-pack
Rear
DNF
OR mark

Peak form: 100
Mean: 46
Win %: 12%
Placed %: 46%
Trend: Fading

Course Record

16 venues

Career strike 46%; best at Haydock (100% from 2 runs).

Wolverhampton (AW) 50% 0-2-4
Haydock 100% 0-2-2
Kempton (AW) 100% 1-1-2
Lingfield (AW) 50% 0-1-2
Southwell (AW) 50% 0-1-2
Ascot 0% 0-0-2
Doncaster 100% 0-1-1
Kempton 100% 1-0-1
Windsor 100% 1-0-1
Carlisle 0% 0-0-1
Hamilton 0% 0-0-1
Market Rasen 0% 0-0-1
Musselburgh 0% 0-0-1
Newcastle (AW) 0% 0-0-1
Salisbury 0% 0-0-1
York 0% 0-0-1

Connections History

14 jockeys · 3 trainers

Jockeys

Cieren Fallon 20% 0-1-5
Jonjo O'Neill Jr. 50% 1-1-4
Hector Crouch 100% 1-1-2
Jack Dace 100% 0-2-2
Rossa Ryan 100% 1-1-2
James Doyle 100% 0-1-1
Kieran Shoemark 100% 0-1-1
Daniel Tudhope 0% 0-0-1
Harry Burns 0% 0-0-1
Joe Fanning 0% 0-0-1
Kevin Brogan 0% 0-0-1
Mr Simon Walker NOW 0% 0-0-1
Ray Dawson 0% 0-0-1
Shane Gray 0% 0-0-1

Trainers

Jonjo & A.J. O'Neill NOW 33% 1-5-18
Ralph Beckett 80% 2-2-5
Jonjo O'Neill 100% 0-1-1

Going Record

24 classifiable runs

Softleaning Loves the dig — 50% in-the-money on softer ground vs 0% on fast.

Firm — 0 runs
Good to Firm 100% 0-1-1
Good 38% 1-4-13
Good to Soft 50% 1-1-4
Soft 50% 1-2-6
Heavy — 0 runs

Distance Record

24 classifiable runs

Specialist Pure middle horse — 100% in-the-money at 1m1f – 1m4f.

Sprint ≤ 6f — 0 runs
Seven 6½ – 7f — 0 runs
Mile 7f – 1m1f — 0 runs
Middle 1m1f – 1m4f 100% 1-1-2
Staying ≥ 1m4f 41% 2-7-22

Race history

10 of 10 runs

Date Race Pos Going Dist Jockey Odds

18 Aug 2026 Follow @AtTheRaces On Instagram Amateur Jockeys' Handicap Stakes Lingfield (AW) Class 5 4th/7 3.25 Standard 2m Mr Simon Walker OR 70 1/1F

15 Jun 2026 racingtv.com Handicap Carlisle Class 5 4th/11 1.25 Good 1m6f32y Daniel Tudhope OR 72 9/2

8 May 2026 Peroni Nastro Azzurro 0.0% Apprentice Handicap (GBBPlus Race) Ascot Class 4 6th/12 .75 Good 1m7f209y Harry Burns OR 74 16/1

3 Apr 2026 Midnite All-Weather Vase Marathon Handicap (GBBPlus Race) Lingfield (AW) Class 4 3rd/14 2.25 Standard 1m7f169y Kieran Shoemark OR 74 18/1

3 Mar 2026 Midnite Are Upping The Betting Game Handicap (GBBPlus Race) Wolverhampton (AW) Class 4 6th/8 2.5 Standard 1m5f219y Cieren Fallon OR 75 11/1

1 Feb 2026 Weatherbys Cheltenham Festival Betting Guide Handicap Hurdle Market Rasen Class 4 6th/7 17 Soft 2m7f16y Kevin Brogan OR 111 10/1

6 Jan 2026 Midnite A Next Generation Betting App Handicap Wolverhampton (AW) Class 5 2nd/6 .5 Standard 2m120y Jack Dace OR 75 5/2

30 Dec 2025 Midnite, Building The Future Of Betting Apprentice Handicap Wolverhampton (AW) Class 5 2nd/8 1 Standard 1m5f219y Jack Dace OR 75 9/2

11 Oct 2025 Coral Racing Club Stayers Handicap (GBBPlus Race) York Class 4 9th/16 0.3 Good 2m56y Ray Dawson OR 78 20/1

18 Apr 2025 BetUK All-Weather Championships Marathon Handicap (GBBPlus Race) Newcastle (AW) Class 2 11th/14 1.5 Standard 2m56y Joe Fanning OR 82 28/1

Connections

Trainer: Jonjo & A.J. O'Neill 11%
Jockey: Mr Simon Walker 17%
Owner: Tanzanite
Sire: Nathaniel (IRE)
Dam: Australian Queen (GB)
Dam sire: Fastnet Rock
Country: Ireland
Age: 6yo

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