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Mercurial

There is something quietly stubborn about Mercurial. A seven-year-old with 35 races under its belt and just one win to show for all that effort — a single bright afternoon at The Curragh back in April 2024 — this is a horse that has spent the better part of its career knocking on the door without quite getting through it. That solitary win, now 25 months in the rear-view mirror, represents roughly 3% of its races, or one win in every 35 starts. For context, that is a thin return, even by the standards of horses who spend their careers in the thick of competitive fields.Based on TrackLab's AI analysis
Quick Facts
Age
7 years old
Sex
Gelding
Colour
Bay
Father
Prince Of Lir
Mother
Conjuring
Owner
John J Nallen
Rating
72

📊 Key Numbers

Career statistics for this horse
35
Career races
1
Wins
2.9%
Win rate
avg ~10%
37.1%
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

What makes Mercurial slightly more interesting than its bare record suggests is its consistency in finding a place. Thirteen placed finishes from those 35 races tells you this is not a horse that fades into the background — it competes, it shows up, it just rarely gets its nose in front. Recent form tells a similar story: a second and a fourth mixed in among less encouraging efforts, active as recently as yesterday, which at least confirms the appetite is still there.

The partnership with Sean D Bowen is one of the more puzzling threads in this horse's career. Eighteen races together and not a single win — that is a long run of near-misses for any jockey-horse combination, and it raises a quiet question about whether a change of rider might unlock something. Trained by John J Nallen, whose yard has produced five winners this season, Mercurial clearly has capable hands around it, even if the results on the track have been hard to come by.

At distances between five furlongs and six and a half furlongs, the picture brightens very slightly — that lone Curragh win came in this range, and it accounts for 1 win from 13 races at those trips, or roughly 8%, which is meaningfully better than its overall record. The Curragh, then, is the place where everything came together once, and given how rarely lightning strikes for this horse, that day in April 2024 clearly meant something. Whether it can happen again is the open question that keeps the yard — the trainer and the team around this horse — coming back to the track.

Strengths & Risks

What the data says works for and against this horse
✓ What works in their favour
Excellent record on heavy ground: 1 wins from 9 starts (11%)
Well suited by 5f – 6½f distances: 8% win rate
⚠ What to watch out for
Poor record on soft ground: 0 wins from 9 starts
Poor record on good ground: 0 wins from 6 starts
Poor record on standard ground: 0 wins from 4 starts
Poor record on yielding_to_soft ground: 0 wins from 3 starts
Struggles on LH Galloping tracks: 0 wins from 10 starts
Struggles on LH Sharp tracks: 0 wins from 6 starts

🎯 Where This Horse Thrives

Performance broken down by ground, distance, class, and track type
🌧 Ground Conditions
Heavy (very wet)
Loves
Good to yielding (mild give)
Unknown
Yielding (slightly soft)
Unknown
Soft to heavy (wet)
Unknown
Soft (muddy)
Avoids
Good (firm-ish)
Avoids
Standard (all-weather)
Avoids
Yielding to soft (damp)
Avoids
📏 Race Distance
5F – 6½F
Loves
7F – 1M
Avoids
1M1F – 1M2F
Avoids
🏅 Competition Level
Class 2 (high-level)
Unknown
Class 3 (mid-level)
Unknown
Class 4 (standard)
Avoids
🏟 Track Shape
Right-handed, long straights
Loves
Right-handed, tight
Unknown
Left-handed, long straights
Avoids
Left-handed, tight turns
Avoids
Left-handed, tight
Avoids
Right-handed, tight turns
Avoids

📅 Recent Runs

The last 10 races, most recent first
18 May
4th
Roscommon
7f – 1m · Good_To_Yielding · 18 runners
2 Nov
9th
The Curragh
7f – 1m · Heavy · 21 runners
21 Oct
2nd
The Curragh
5f – 6½f · Heavy · 17 runners
23 Sep
4th
Listowel
7f – 1m · Heavy · 16 runners
27 Jun
8th
The Curragh
7f – 1m · Good · 16 runners
1 Jun
12th
Listowel
5f – 6½f · Good_To_Yielding · 14 runners
25 Apr
10th
Limerick
1m1f – 1m2f · Soft · 19 runners
23 Mar
12th
Naas
7f – 1m · Soft_To_Heavy · 15 runners
3 Nov
3rd
The Curragh
7f – 1m · Yielding_To_Soft · 26 runners
18 Oct
5th
Haydock Park
5f – 6½f · Heavy · 8 runners

🏇 Jockey Partnerships

Every jockey who has ridden this horse, sorted by rides together
0%
Win rate
0/18
Won / Rode
0%
Win rate
0/6
Won / Rode
0%
Win rate
0/3
Won / Rode
0%
Win rate
0/2
Won / Rode
100%
Win rate
1/1
Won / Rode
Darragh O'Sullivan Current Jockey
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
The Curragh
Galloping
8 1 win, 2 seconds, 1 third, 4 other 2 Nov 12.5%
Listowel
Sharp
4 1 second, 1 third, 2 other 23 Sep 0%
Chester
Tight
3 3 other 14 Sep 0%
Dundalk
Galloping
3 1 second, 1 third, 1 other 23 Mar 0%
Roscommon
Sharp
3 2 seconds, 1 other 18 May 0%
Galway
Tight
2 1 second, 1 other 12 Sep 0%
Limerick
Galloping
2 2 other 25 Apr 0%
Naas
Galloping
2 1 third, 1 other 23 Mar 0%
Bellewstown
Sharp
1 1 other 27 Sep 0%
Doncaster
Galloping
1 1 second 23 Oct 0%
Haydock Park
Galloping
1 1 other 18 Oct 0%
Cork
Galloping
1 1 other 3 Apr 0%
Wolverhampton
Galloping
1 1 other 11 Oct 0%
Tipperary
Galloping
1 1 other 21 Apr 0%
Navan
Galloping
1 1 other 13 May 0%
Killarney
Sharp
1 1 other 13 Jul 0%