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Master Zack

Four-year-old Master Zack has had to work hard for everything he's earned. One win from 20 races tells you this isn't a horse who makes things look easy — but that single victory, at Southwell in April 2025, proved he can get the job done when the conditions are right.Based on TrackLab's AI analysis
Quick Facts
Age
4 years old
Sex
Colt
Colour
Bay
Father
Ardad
Mother
Amna
Owner
T C O'Brien
Rating
46

📊 Key Numbers

Career statistics for this horse
21
Career races
1
Wins
4.8%
Win rate
avg ~10%
19.0%
Place rate (top 3)
avg ~30%
3 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 most revealing number in his record is what happens when he's kept to the shortest distances. Over sprints of less than five furlongs, he's won 1 from 4 races — that's a 25% win rate, miles better than his overall record of 1 in every 20. In other words, when he's asked to be quick rather than quick and sustained, he looks like a completely different horse. That's a meaningful pattern, and any smart punter would be paying attention to it.

He competes mainly at Class 6 level, which is the entry level of British racing — the races where horses who haven't found their feet or are chasing a first win tend to gather. There's no shame in it, but it does mean the competition isn't exactly the cream of the crop, which makes his 1-from-17 record at that level (roughly 6%, or 1 in every 17 races) a touch sobering. Still, he's clearly capable of finishing in the mix: four places from 20 races shows he's not just making up the numbers.

He's trained by Martin Dunne out of Newmarket, the heartland of British flat racing, and the yard has been in decent form this season with 20 winners on the board. Master Zack hasn't added to that tally in his last six outings — his recent form reads 7-14-9-3-6, which is patchy to say the least — but he raced just 22 days ago and remains an active part of the string. The team clearly believe there's another win in him somewhere.

The short-sprint angle is the one thread worth pulling. If Martin Dunne finds him a race under five furlongs where the draw and the pace set-up fall kindly, Master Zack has already shown he can win at that trip. He's not a horse you'd build a fortune around, but he's far more interesting than his overall record suggests.

Strengths & Risks AI Analysis

What the data says works for and against this horse
✓ What works in their favour
Excellent record on standard ground: 1 wins from 9 starts (11%)
Well suited by Sprint (< 5f) distances: 20% win rate
⚠ What to watch out for
Poor record on good_to_firm ground: 0 wins from 5 starts
Yet to win at chelmsford in 5 attempts
Struggles on Galloping tracks: 0 wins from 5 starts

🎯 Where This Horse Thrives

Performance broken down by ground, distance, class, and track type
🌧 Ground Conditions
Standard (all-weather)
Loves
Good to soft
Soft (muddy)
Standard to slow
Firm (dry)
Good (firm-ish)
Good to firm
Avoids
📏 Race Distance
Sprint (< 5F)
Loves
5F – 6½F
Avoids
🏅 Competition Level
Class 4
Class 5
Class 6
🏟 Track Shape
Left-handed, wide and galloping
Loves
Left-handed, undulating
Right-handed, wide and galloping
Right-handed, tight turning
Left-handed, tight turning
Wide and galloping
Avoids

📅 Recent Runs

The last 10 races, most recent first
2 Apr
13th
Southwell
Sprint (< 5f) · Standard · 13 runners
7 Mar
7th
chelmsford
5f – 6½f · Standard
21 Oct
14th
Great Yarmouth
5f – 6½f · Good_To_Soft · 16 runners
3 Oct
9th
Southwell
Sprint (< 5f) · Standard · 10 runners
18 Aug
DNF
Windsor
5f – 6½f · Good_To_Firm · 7 runners
6 Aug
3rd
Great Yarmouth
5f – 6½f · Good_To_Firm · 7 runners
2 Aug
6th
Lingfield Park
Sprint (< 5f) · Good · 7 runners
26 Jun
4th
Nottingham
5f – 6½f · Good_To_Firm · 6 runners
15 Jun
3rd
Doncaster
5f – 6½f · Good_To_Firm · 8 runners
31 May
8th
Southwell
Sprint (< 5f) · Standard · 9 runners

🏇 Jockey Partnerships

Every jockey who has ridden this horse, sorted by rides together
0%
Win rate
0/3
Won / Rode
50%
Win rate
1/2
Won / Rode
0%
Win rate
0/2
Won / Rode
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
0%
Win rate
0/1
Won / Rode
0%
Win rate
0/1
Won / Rode
Ryan Kavanagh
0%
Win rate
0/1
Won / Rode
Jack Dace
0%
Win rate
0/1
Won / Rode

🏟 Track Record

Win rate at each course this horse has visited
CourseRacesResultsLast visitedWin rate
chelmsford 5 5 other 7 Mar 0%
Southwell
Galloping
4 1 win, 3 other 2 Apr 25%
Bath
Undulating
2 1 third, 1 other 5 May 0%
Windsor
Sharp
2 2 other 18 Aug 0%
Great Yarmouth
Galloping
2 1 third, 1 other 21 Oct 0%
Nottingham
Galloping
1 1 other 26 Jun 0%
Wolverhampton
Galloping
1 1 other 23 Nov 0%
Sandown Park
Galloping
1 1 other 13 Sep 0%
Newmarket
Galloping
1 1 other 24 Aug 0%
Doncaster
Galloping
1 1 third 15 Jun 0%
Lingfield Park
Sharp
1 1 other 2 Aug 0%