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Ireland 3yo

Understudy (GB)

T: John & Thady Gosden · O: B E Nielsen
By Sea The Stars (IRE) out of Sequester (GB)
Form 4125462-275
  1. 5
  2. 7
  3. 2
  4. 2
  5. 6
  6. 4
1/10 W/R
Active
  • 10 runs
  • 1 wins
  • placed
  • 10% strike
  • 19 d off

Recent form

Form figures 4125462-275 19 days off
5 3 Sep 2026 Prix Joubert Longchamp (FR) 7 1 Aug 2026 Caen Tattoo Festival - Prix Luth En… Clairefontaine (FR) 2 11 Jul 2026 Prix Perrault Stakes Clairefontaine (FR) 2 20 Nov 2025 BetMGM River Eden EBF Fillies' Stak… Lingfield (AW) 6 26 Sep 2025 Princess Royal Stakes (Sponsored By… Newmarket 4 17 Aug 2025 The Aga Khan Studs Prix Lady O'Reil… Deauville (FR)

Deep analytics

Career trajectory, going + distance lenses, connections history

Career Trajectory

last 10 runs · form score 0–100
2 May 2025 · Newmarket · 4th/6 (btn 3.5) 31 May 2025 · Southwell (AW) · 1st/10 (won 0) 19 Jun 2025 · Ascot · 2nd/11 (btn 3.25) 19 Jul 2025 · Newmarket · 5th/10 (btn 4) 17 Aug 2025 · Deauville (FR) · 4th/10 (btn 0.3) 26 Sep 2025 · Newmarket · 6th/11 (btn 0.2) 20 Nov 2025 · Lingfield (AW) · 2nd/13 (btn 1.25) 11 Jul 2026 · Clairefontaine (FR) · 2nd/7 (btn 0.3) 1 Aug 2026 · Clairefontaine (FR) · 7th/8 (btn 4.5) 3 Sep 2026 · Longchamp (FR) · 5th/11 (btn 1.5)
  • Win
  • Placed
  • Mid-pack
  • Rear
  • DNF
  • OR mark
Peak form
100
Mean
50
Win %
10%
Placed %
40%
Trend
Fading

Course Record

7 venues

Career strike 40%; best at Clairefontaine (FR) (50% from 2 runs).

  • Newmarket 0% 0-0-3
  • Clairefontaine (FR) 50% 0-1-2
  • Ascot 100% 0-1-1
  • Lingfield (AW) 100% 0-1-1
  • Southwell (AW) 100% 1-0-1
  • Deauville (FR) 0% 0-0-1
  • Longchamp (FR) 0% 0-0-1

Connections History

6 jockeys · 2 trainers

Jockeys

  • Oisin Murphy 0% 0-0-4
  • Robert Havlin 100% 0-2-2
  • M Velon 100% 0-1-1
  • Tyler Heard 100% 1-0-1
  • Clement Lecoeuvre 0% 0-0-1
  • Mickael Barzalona NOW 0% 0-0-1

Trainers

  • John & Thady Gosden 43% 1-2-7
  • F-H Graffard NOW 33% 0-1-3

Race history

10 of 10 runs
Date Race Pos Going Dist Jockey Odds
3 Sep 2026 Prix Joubert Longchamp (FR) Class 1 T 5th/11 1.5 Very Soft 1m6f Mickael Barzalona OR 100 9/1
1 Aug 2026 Caen Tattoo Festival - Prix Luth Enchantee Clairefontaine (FR) Class 1 T 7th/8 4.5 Good To Soft 1m4f Clement Lecoeuvre OR 100 15/8F
11 Jul 2026 Prix Perrault Stakes Clairefontaine (FR) 2 T 2nd/7 0.3 Good To Soft 1m6f91y M Velon OR 100 11/8F
20 Nov 2025 BetMGM River Eden EBF Fillies' Stakes (Listed) (GBBPlus Race) Lingfield (AW) Class 1 2nd/13 1.25 Standard 1m5f Robert Havlin OR 101 3/1
26 Sep 2025 Princess Royal Stakes (Sponsored By Boyle Sports) (Fillies' & Mares' Group 3) Newmarket Class 1 6th/11 0.2 Good To Firm 1m4f Oisin Murphy OR 102 10/1
17 Aug 2025 The Aga Khan Studs Prix Lady O'Reilly (3yo Fillies) (Round Course) (Turf) Deauville (FR) 4th/10 0.3 Good To Soft 1m4½f Oisin Murphy 17/5
19 Jul 2025 Ric And Mary Hambro Aphrodite Fillies' Stakes (Fillies' & Mares' Listed) (GBBPlus Race) Newmarket Class 1 5th/10 4 Good To Soft 1m4f Oisin Murphy OR 102 4/1
19 Jun 2025 Ribblesdale Stakes (Fillies' Group 2) Ascot Class 1 2nd/11 3.25 Good To Firm 1m3f211y Robert Havlin 40/1
31 May 2025 Sky Sports Racing Sky 415 Fillies' Novice Stakes (GBB Race) Southwell (AW) Class 5 1st/10 +0 Standard 1m4f14y Tyler Heard 5/4F
2 May 2025 Darley EBF Maiden Fillies' Stakes (GBB/GBBPlus Race) Newmarket Class 2 4th/6 3.5 Good 1m2f Oisin Murphy 13/2

Connections

Trainer
John & Thady Gosden 24%
Owner
B E Nielsen
Sire
Sea The Stars (IRE)
Dam
Sequester (GB)
Dam sire
Selkirk
Country
Ireland
Age
3yo

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