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Composing

Three wins from eight races at the age of three tells you this is a horse operating at a decent level — but the numbers alone don't quite capture what makes Composing interesting. Trained by Aidan O'Brien at his Cashel base in County Tipperary, she belongs to one of the most powerful yards in racing. That yard has sent out 144 winners already this season, so it takes something to stand out from the crowd. Composing manages it.Based on TrackLab's AI analysis
Quick Facts
Age
3 years old
Sex
Filly
Colour
Bay
Father
Wootton Bassett
Owner
Mrs John Magnier/Michael Tabor/Derrick Smith/Westerberg
Rating
105

📊 Key Numbers

Career statistics for this horse
8
Career races
3
Wins
37.5%
Win rate
avg ~10%
50%
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 Curragh is where she comes alive. Two wins from five races at Ireland's most famous flat track is a record that speaks for itself — roughly 40% of her races there have ended in victory, compared to one win from three attempts everywhere else. Her first career win came at The Curragh in late June 2025, and she returned to win there again on 23 August. In between and since, she has mixed some ordinary finishes — fifth and sixth in her two most recent outings — with solid placed efforts, suggesting she can run well without always winning but saved her best for the track she knows.

What elevates her story is the grade she has been competing in. O'Brien has described her winning a Group 2 over seven furlongs at The Curragh — Group 2 is one of the top tier of races in Ireland and Britain — and running competitively in Group 1 company, the very highest level the sport offers. A fourth-place finish in the Moyglare, a prestigious race for horses her age, was described by her trainer as a little disappointing, given what the team had expected from her. That kind of honest assessment from a trainer is worth listening to: O'Brien is not a man who sets expectations loosely.

The quotes that surround her paint a picture of a horse with a genuinely likeable character. "Very straightforward and professional" is how O'Brien put it after one win. "So laid-back" and "the very same at home" — phrases you rarely hear about horses performing at this level, where many are high-strung and unpredictable. Her jockey reported that when Composing got to the front, she thought the job was done. That confidence in herself, that switch-off ability, is something trainers spend careers trying to find.

With one race in the past day, she is clearly still firmly in training. O'Brien has spoken about the Moyglare as a target, and after a fourth there last year, the intention seems clear enough: go back and do it properly this time.

🎯 Where This Horse Thrives

Performance broken down by ground, distance, class, and track type
🌧 Ground Conditions
Good (firm-ish)
Yielding to soft (damp)
Unknown
Yielding (slightly soft)
Unknown
Good to yielding (mild give)
Unknown
📏 Race Distance
7F – 1M
5F – 6½F
Unknown
1M1F – 1M2F
Unknown
🏅 Competition Level
Class 1 (elite)
Unknown
🏟 Track Shape
Right-handed, long straights
Ok
Left-handed, long straights
Unknown

📅 Recent Runs

The last 10 races, most recent first
12 Apr
5th
Leopardstown
7f – 1m · Good_To_Yielding · 15 runners
10 Oct
6th
Newmarket
1m1f – 1m2f · Good · 11 runners
27 Sep
3rd
The Curragh
7f – 1m · Yielding_To_Soft · 33 runners
14 Sep
4th
The Curragh
7f – 1m · Yielding · 7 runners
23 Aug
🏆 Won
The Curragh
7f – 1m · Good · 6 runners
24 Jul
🏆 Won
Leopardstown
7f – 1m · Yielding_To_Soft · 6 runners
27 Jun
🏆 Won
The Curragh
7f – 1m · Good · 13 runners
25 May
5th
The Curragh
5f – 6½f · Good · 14 runners

🏇 Jockey Partnerships

Every jockey who has ridden this horse, sorted by rides together
50%
Win rate
2/4
Won / Rode
100%
Win rate
1/1
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
The Curragh
Galloping
5 2 wins, 1 third, 2 other 27 Sep 40%
Leopardstown
Galloping
2 1 win, 1 other 12 Apr 50%
Newmarket
Galloping
1 1 other 10 Oct 0%