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Horse profile

Sierro Dino (FR)

4yo gelding (at last run, Jul 2024) · Last trainer T Fourcy · Last owner Mme Claude Guedj Mme Fanny Guedj
by Doctor Dino (FR) out of Sierra Nevada (FR) (Ultimately Lucky)
2 runs · 2 courses · from Sep 2023
As at 5 Nov 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 17 Jul 2024 — 841 days ago. Our archive can't say whether the horse is still in training.
Last run Jul 2024 · 9th of 15 New yard First-time headgear LTO
KTB Profile

Sierro Dino is a lightly raced gelding with no wins or places from two starts between Sep 2023 and Jul 2024, both over 2m1f – 2m4f on soft turf. His sire Doctor Dino has produced a 15.9% win rate from 3,162 runs since Jan 2008, with strongest figures over 1m5f – 2m on good ground. His last run, at Clairefontaine in Jul 2024, was his first for the yard and came in first-time headgear when he finished 9 of 15 in the Prix Rigoureux. His dam has produced one runner with no winners to date.

Based on 2 archived runs · updated 5 Nov 2026

KTB Speed and Rating

KTB Speed

No KTB Speed figures for this horse. The engine scores GB and Irish racing from Oct 2016; runs elsewhere, or earlier, have no figure.

KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 0 figures from 0 runs · a record, not a forecast

KTB Rating

No KTB Rating figures for this horse. The engine scores GB and Irish racing; runs elsewhere, or earlier, have no figure.

KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 0 figures from 0 runs · a record, not a forecast

Both figures are KTB's own, computed from the archive; no vendor rating enters either. Every run's figure is on its form line below with its grade. Grades measure how much the archive could see, never the merit of the run.

Run style is derived from in-running commentary, which our data provider does not supply for this horse's races.

Pedigree intelligence

Sire

Progeny in our archive have won 16% of 3,224 runs since Jul 2013 (497 horses).

Strongest on good going: 19.8% from 562. Weakest on standard (aw) going: 9.5% from 211. Strongest over 1m5f – 2m (all codes): 19.7% from 694. Weakest over 1m – 1m1f (all codes): 8.7% from 138.

GoingRunsWinsSRvs sireThis horse
Firm100%−16—
Good to Firm24625%+9—
Good56211119.8%+3.8—
Good to Soft4869419.3%+3.3—
Soft1,22318715.3%−0.70 from 2
Heavy7179713.5%−2.5—
Standard (AW)211209.5%−6.5—
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f300%−16—
6f – 7f5036%−10—
1m – 1m1f138128.7%−7.3—
1m2f – 1m4f3034514.9%−1.1—
1m5f – 2m69413719.7%+3.7—
2m1f – 2m4f1,52924215.8%−0.20 from 2
2m5f – 3m4206214.8%−1.2—
Over 3m871416.1%+0.1—

Flat and jumps together (all codes) · since Jul 2013 · as at 5 Nov 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Sierra Nevada (FR) (Ultimately Lucky)

1 sibling in the archive, 0 winners.

ProduceRunsWinsWin tripsBest grade
Saint Sire (FR)70——

Too few runs for meaningful splits. The full record is below.

Form

DateCourseRace PosBtn Wgt Jockey SP
2024 · 1 run
17 Jul 24+295d Clairefontaine (FR) Prix Rigoureux (Hurdle) (Conditions) (4yo) (Turf) 2m2f · Very Soft · 15 ran 9/15 ¾ 10-12 Gwen Richard 23/1
2023 · 1 run
26 Sep 23 Compiegne (FR) Prix d'Aix (Hurdle) (Conditions) (3yo) (Turf) 2m1f · Very Soft · 7 ran 5/7 ½ 10-12 Johnny Charron 53/10

Quick answers

How many races has Sierro Dino won?
Sierro Dino (FR) has yet to win, from 2 archived starts between 2023 and 2024.
Who trained Sierro Dino?
Sierro Dino (FR) was trained by T Fourcy on the most recent run on record, at Clairefontaine (FR) on 17 July 2024.
Who is Sierro Dino's sire?
Sierro Dino (FR) is by Doctor Dino (FR) out of Sierra Nevada (FR), whose sire is Ultimately Lucky.
What is Sierro Dino's sire's record?
Doctor Dino (FR)'s progeny in our archive have won 16% of 3,224 runs since Jul 2013 (497 horses), Flat and jumps together. Strongest on good going: 19.8% from 562. Weakest on standard (aw) going: 9.5% from 211. Strongest over 1m5f – 2m (all codes): 19.7% from 694. Weakest over 1m – 1m1f (all codes): 8.7% from 138.
Who are Sierro Dino's siblings?
Out of Sierra Nevada (FR), Sierro Dino (FR) has 1 other produce in our archive, 0 of them winners. As at Nov 2026.

Record shown from September 2023. Our archive holds racing in Great Britain, Ireland and France from January 2005. Any runs before that, or in other countries, are not in it. In-running comments are available from 2024 onward.