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David Marnane

Four years into training and already past 70 career winners — David Marnane has built something real, and quickly. Since saddling his first runner in 2021, the Irish trainer has sent out 73 winners, a rate of progress that suggests someone who knew what they were doing from the start rather than learning on the job.Based on TrackLab's analysis
Quick facts
Role
Trainer
Based
Bansha, Co Tipperary
Record
21 wins from 234 races
Win rate
9.0%
Top jockey
Best course
Tipperary (20% from 10 races)
Best ground
Standard (all-weather)

📊 Key numbers

A snapshot of this trainer's performance over the last 12 months
234
Races
21
Wins
9.0%
Win rate
avg ~10%
33.8%
Top-3 rate
avg ~30%

🔍 Full analysis

Our model's view, based on this trainer's record and recent runs
TrackLab's trainer breakdown

This season tells a slightly mixed story. Marnane has produced 21 winners from 234 runners — that's roughly 1 in every 11 races — which represents a dip from the 1 in every 8 or so he was managing last year. Whether that's a blip or something that needs addressing, only time will tell, but 21 winners in a calendar year is still a healthy return for a yard of his size.

Where Marnane genuinely stands out is on normal ground. When conditions are neither bone-dry nor churned up — just a standard, fair surface — he wins 12 from 75 races, or 16%, close to 1 in every 6. That's a meaningful edge. It suggests his horses are prepared and suited for conditions that give every horse a fair chance, rather than relying on extreme weather to find their best form.

His most important working relationship is with jockey Luke McAteer, who has ridden 152 times for the yard and converted 16 of those into wins — around 1 in every 9. That level of consistency across such a large number of rides speaks to genuine trust and a real understanding between the two. When a trainer keeps putting the same jockey up race after race, it's usually because the communication is good and the results justify the loyalty. The numbers here back that up.

Marnane's standout pairing with Jamestown has produced 1 win from 4 races together — modest in volume, but worth watching as that relationship develops. At four years in, with 73 winners already banked and a clear identity forming around his horses' preferences, Marnane looks like a trainer still on the way up rather than one who has found his ceiling.

📈 Form trend

How this trainer's win rate has changed month by month
Monthly win rate
2025–2026
6.7%
Jul
10.3%
Aug
0%
Sep
5.9%
Oct
25%
Nov
20%
Dec
0%
Jan
0%
Feb
10%
Mar
13.6%
Apr
13.8%
May
0%
Jun

🎯 Where this trainer does best

Results split by ground, race level and track shape
🌧 Ground
Standard (all-weather)
Loves
Yielding (slightly soft)
Soft (muddy)
Good (a little give)
Ok
Good to yielding (mild give)
Ok
Good to soft (some give)
Unknown
Heavy (very wet)
Unknown
Yielding to soft (damp)
Avoids
Good to firm (fairly firm)
Avoids
Soft to heavy (wet)
Avoids
🏅 Race level
Class 1 (elite)
Unknown
Class 2 (high-level)
Unknown
🏟 Track shape
Right-handed, hilly
Loves
Left-handed, long straights
Right-handed, long straights
Ok
Right-handed, tight turns
Unknown
Long straights
Unknown
Left-handed, tight turns
Avoids
Right-handed, tight
Avoids

🏇 Jockeys

The riders they work with most, most rides first
Luke McAteer Main partner
10.5%
Win rate
16/152
Wins / rides
4.8%
Win rate
1/21
Wins / rides
0%
Win rate
0/15
Wins / rides
7.7%
Win rate
1/13
Wins / rides
Darragh O'Sullivan
20%
Win rate
2/10
Wins / rides
25%
Win rate
1/4
Wins / rides
0%
Win rate
0/3
Wins / rides
Conor Cusack
0%
Win rate
0/2
Wins / rides
0%
Win rate
0/2
Wins / rides
0%
Win rate
0/2
Wins / rides
0%
Win rate
0/1
Wins / rides
0%
Win rate
0/1
Wins / rides
0%
Win rate
0/1
Wins / rides
0%
Win rate
0/1
Wins / rides
0%
Win rate
0/1
Wins / rides
0%
Win rate
0/1
Wins / rides
0%
Win rate
0/1
Wins / rides
0%
Win rate
0/1
Wins / rides
0%
Win rate
0/1
Wins / rides

⭐ Top horses

The highest-rated horses linked to this trainer right now
Form: 422
Form: 3-2131
Form: 0351-4
Form: 73211-
Form: 61-32
Form: 6-7704
Form: 21-342
Form: 588-45
Form: 21-075
Form: 2

🏟 Course record

Win rate at each course, most races first
CourseRacesWinsWin rate
Dundalk 74 12 16.2%
The Curragh 30 1 3.3%
Cork 24 3 12.5%
Leopardstown 21 1 4.8%
Naas 17 0 0%
Limerick 13 1 7.7%
Tipperary 10 2 20%
Navan 9 0 0%
Killarney 7 0 0%
Gowran Park 6 1 16.7%
Fairyhouse 4 0 0%
Galway 4 0 0%
Down Royal 3 0 0%
Bellewstown 3 0 0%
Ascot 2 0 0%
Haydock Park 1 0 0%
Sligo 1 0 0%
Listowel 1 0 0%
Doncaster 1 0 0%
Laytown 1 0 0%
Roscommon 1 0 0%
Punchestown 1 0 0%

📅 Recent results

The last 20 results, most recent first
3 Jun
The Curragh · 5f – 6½f · Good_To_Yielding
12th
3 Jun
The Curragh · 5f – 6½f · Good_To_Yielding
3rd
3 Jun
The Curragh · 5f – 6½f · Good_To_Yielding
4th
1 Jun
Gowran Park · 1m1f – 1m2f · Good
—
29 May
Down Royal · 7f – 1m · Good
—
28 May
Fairyhouse · 1m1f – 1m2f · Good
15th
28 May
Fairyhouse · 7f – 1m · Good
11th
26 May
Dundalk · 5f – 6½f · Standard
11th
26 May
Dundalk · 7f – 1m · Standard
5th
26 May
Dundalk · 7f – 1m · Standard
Won
1%
23 May
The Curragh · 5f – 6½f · Good
3rd
23 May
The Curragh · 7f – 1m · Good
—
22 May
Haydock Park · 7f – 1m · Good_To_Soft
5th
20 May
Gowran Park · 1m1f – 1m2f · Good_To_Yielding
Won
19 May
Cork · 7f – 1m · Soft
12th
19 May
Cork · 5f – 6½f · Soft
3rd
19 May
Cork · 5f – 6½f · Soft
Won
19 May
Cork · 5f – 6½f · Soft
8th
19 May
Cork · 5f – 6½f · Soft
Won
19 May
Cork · 5f – 6½f · Soft
2nd