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Horse profile

Greyhallion (IRE)

5yo mare (at last run, Nov 2007) · Last trainer John J Maguire · Last owner Ms Fiona T Hannon
by Shernazar (GB) out of Tuesdaynightmare (GB) (Celtic Cone)
2 runs · 2 courses · from Oct 2007
As at 27 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 2 Nov 2007 — 6,934 days ago. Our archive can't say whether the horse is still in training.
Last run Nov 2007 · 19th of 20 First-time headgear LTO
KTB Profile

Lightly raced, with 2 archived starts between Oct 2007 and Nov 2007, the last of them as a 5yo mare. Finished 19 of 20 at Down Royal last time. By Shernazar (GB), whose progeny in our archive have won 8.7% of 1,462 runs since Jan 2008.

Based on 2 archived runs · updated 27 Oct 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

Best recent KTB Rating 77C the best of the last 2 rated runs · Down Royal, 2 Nov 2007

What the horse achieved in each race, in pounds on the official-rating scale, from the weight carried, the lengths beaten and the race's own level solved across the archive — never the market, never the official rating as a starting point. The headline is the best of the horse's last three rated runs on that code. A, B or C on a run is how much known form was in that race. What this means →

Jumps 2 figures · best 77C · median 76
GoingRunsBestMedianSince 27 Oct 2025
Good277C76—
DistanceRunsBestMedianSince 27 Oct 2025
2m5f – 3m1———
1m5f – 2m1———

KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 2 figures from 2 runs · as at 4 Oct 2026 · 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
Shernazar (GB)

Progeny in our archive have won 8.7% of 1,462 runs since Jan 2008 (150 horses).

GoingRunsWinsSRvs sireThis horse
Firm14214.3%+5.6—
Good to Firm141128.5%−0.2—
Good388338.5%−0.20 from 2
Good to Soft2052210.7%+2—
Soft427419.6%+0.9—
Heavy281176%−2.7—
Standard (AW)600%−8.7—
Distance (all codes)RunsWinsSRvs sireThis horse
6f – 7f100%−8.7—
1m – 1m1f100%−8.7—
1m2f – 1m4f1100%−8.7—
1m5f – 2m350349.7%+10 from 1
2m1f – 2m4f598528.7%0—
2m5f – 3m420348.1%−0.60 from 1
Over 3m8178.6%−0.1—

Flat and jumps together (all codes) · since Jan 2008 · as at 27 Oct 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Tuesdaynightmare (GB) (Celtic Cone)

2 siblings in the archive, 0 winners.

ProduceRunsWinsWin tripsBest grade
Todaysmyday (GB)50——
Alanazar (IRE)20——

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

Form

DateCourseRace PosBtn Wgt KTB Jockey SP
2007 · 2 runs
02 Nov 07+16d Down Royal Allianz Maiden Hurdle 22f · Good · 20 ran 19/20 30 10-8 77C Robert Dunne 66/1
17 Oct 07 Punchestown Star Racegoers Club Inh Flat Race 16f · Good · 23 ran 20/23 14 11-2 75C Aodhagan Conlon 50/1

Quick answers

How many races has Greyhallion won?
Greyhallion (IRE) has yet to win, from 2 archived starts in 2007.
Who trained Greyhallion?
Greyhallion (IRE) was trained by John J Maguire on the most recent run on record, at Down Royal on 2 November 2007.
Who is Greyhallion's sire?
Greyhallion (IRE) is by Shernazar (GB) out of Tuesdaynightmare (GB), whose sire is Celtic Cone.
What is Greyhallion's sire's record?
Shernazar (GB)'s progeny in our archive have won 8.7% of 1,462 runs since Jan 2008 (150 horses), Flat and jumps together.
Who are Greyhallion's siblings?
Out of Tuesdaynightmare (GB), Greyhallion (IRE) has 2 other produce in our archive, 0 of them winners. As at Oct 2026.

Record shown from October 2007. Our archive holds racing in Great Britain, Ireland and France from January 2005. Runs in other countries are not in it, and earlier runs are not available from our data provider. In-running comments are available from 2024 onward.