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Horse profile

Mayberain (IRE)

2yo filly (at last run, Sep 2015) · Last trainer Rae Guest · Last owner Thomas Radley
by Acclamation (GB) out of Luckbealadytonight (IRE) (Mr Greeley)
1 run · 1 course · from Sep 2015
As at 21 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 15 Sep 2015 — 4,054 days ago. Our archive can't say whether the horse is still in training.
Last run Sep 2015 · 9th of 10
KTB Profile

Lightly raced, with 1 archived start in Sep 2015 as a 2yo filly. Finished 9 of 10 at Yarmouth last time. By Acclamation (GB), whose progeny in our archive have won 10% of 19,685 runs since Jan 2008.

Based on 1 archived run · updated 21 Oct 2026

Progeny in our archive

Produce record

As a dam, Mayberain (IRE) has 2 produce in the archive, 0 winners.

ProduceRunsWinsWin tripsBest grade
Ladybela (GB)70——
Zandora (IRE)140——

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 42A the best of the last 1 rated run · Yarmouth, 15 Sep 2015

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 →

Flat 1 figure · too few for a breakdown

KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 1 figure from 1 run · 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
Acclamation (GB)

Progeny in our archive have won 10% of 19,685 runs since Jan 2008 (1,326 horses).

Strongest on firm going: 15.2% from 151. Weakest over 2m1f – 2m4f (all codes): 6.7% from 194.

GoingRunsWinsSRvs sireThis horse
Firm1512315.2%+5.2—
Good to Firm3,91744611.4%+1.40 from 1
Good4,4094009.1%−0.9—
Good to Soft1,95121411%+1—
Soft2,1311848.6%−1.4—
Heavy562468.2%−1.8—
Standard (AW)6,56366310.1%+0.1—
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f3,75840910.9%+0.9—
6f – 7f10,4951,07810.3%+0.30 from 1
1m – 1m1f3,5063319.4%−0.6—
1m2f – 1m4f1,2091068.8%−1.2—
1m5f – 2m481377.7%−2.3—
2m1f – 2m4f194136.7%−3.3—
2m5f – 3m4224.8%−5.2—

Flat and jumps together (all codes) · since Jan 2008 · as at 21 Oct 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam

2 siblings in the archive, 2 winners — best of them Lonely The Brave (IRE) (1 win).

The wins came over 5f–1m2½f; the highest grade won is Class 4 (Lonely The Brave (IRE)).

ProduceRunsWinsWin tripsBest grade
Lonely The Brave (IRE)1515fClass 4
Mokhles (IRE)1811m2½f—

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

Form

DateCourseRace PosBtn Wgt KTB Jockey SP
15 Sep 15 Yarmouth British Stallion Studs EBF Maiden Fillies' Stakes (Plus 10) Class 5 · 6f · Good To Firm · 10 ran 9/10 nk 9-0 42A Paul Hanagan 20/1

Quick answers

How many races has Mayberain (IRE) won?
Mayberain (IRE) has yet to win, from 1 archived start in 2015.
Who trained Mayberain (IRE)?
Mayberain (IRE) was trained by Rae Guest on the most recent run on record, at Yarmouth on 15 September 2015.
Who is Mayberain (IRE)'s sire?
Mayberain (IRE) is by Acclamation (GB) out of Luckbealadytonight (IRE), whose sire is Mr Greeley.
What is Mayberain (IRE)'s sire's record?
Acclamation (GB)'s progeny in our archive have won 10% of 19,685 runs since Jan 2008 (1,326 horses), Flat and jumps together. Strongest on firm going: 15.2% from 151. Weakest over 2m1f – 2m4f (all codes): 6.7% from 194.
Who are Mayberain (IRE)'s siblings?
Out of Luckbealadytonight (IRE), Mayberain (IRE) has 2 other produce in our archive, 2 of them winners. Most wins: Lonely The Brave (IRE) (1). Highest grade won: Class 4 (Lonely The Brave (IRE)). The wins came over 5f–1m2½f. As at Oct 2026.
Has Mayberain (IRE) produced winners?
As a dam, Mayberain (IRE) has 2 produce in our archive, 0 of them winners. As at Oct 2026.

Record shown from September 2015. 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.