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Horse profile

Mereside Blue (GB)

2yo filly (at last run, Nov 2019) · Last trainer David Barron · Last owner Mereside Racing Limited
by Sepoy (AUS) out of Blue Oyster (GB) (Medicean)
2 runs · 2 courses · from Sep 2019
As at 28 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 1 Nov 2019 — 2,552 days ago. Our archive can't say whether the horse is still in training.
Last run Nov 2019 · 11th of 11
KTB Profile

Lightly raced, with 2 archived starts between Sep 2019 and Nov 2019, the last of them as a 2yo filly. Finished 11 of 11 at Newcastle (AW) last time. By Sepoy (AUS), whose progeny in our archive have won 10.1% of 3,372 runs since Jan 2008.

Based on 2 archived runs · updated 28 Oct 2026

KTB Speed and Rating

KTB Speed

Best recent Speed — no A or B graded figure in the last 3 runs; the figures below carry grade C

How fast the horse ran, as points against the day-corrected standard time for its course and distance: 100 is the median GB Class 4 handicap winner on that code; one point is 0.1% of the standard time. A, B or C is how much the day's card could tell us, not how good the run was. What this means →

Flat 2 figures · best 48C · median 41
GoingRunsBestMedianSince 28 Oct 2025
Standard (AW)1———
Good to Soft1———
DistanceRunsBestMedianSince 28 Oct 2025
6f – 7f248C41—

KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 2 figures from 2 runs · as at 3 Oct 2026 · a record, not a forecast

KTB Rating

Best recent KTB Rating 38C the best of the last 2 rated runs · Carlisle, 11 Sep 2019

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 2 figures · best 38C · median 34
GoingRunsBestMedianSince 28 Oct 2025
Standard (AW)1———
Good to Soft1———
DistanceRunsBestMedianSince 28 Oct 2025
6f – 7f238C34—

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

Progeny in our archive have won 10.1% of 3,372 runs since Jan 2008 (279 horses).

GoingRunsWinsSRvs sireThis horse
Firm19631.6%+21.5—
Good to Firm578569.7%−0.4—
Good533417.7%−2.4—
Good to Soft275207.3%−2.80 from 1
Soft285238.1%−2—
Heavy6223.2%−6.9—
Standard (AW)1,62019111.8%+1.70 from 1
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f4134611.1%+1—
6f – 7f1,68418911.2%+1.10 from 2
1m – 1m1f758577.5%−2.6—
1m2f – 1m4f393399.9%−0.2—
1m5f – 2m5647.1%−3—
2m1f – 2m4f4948.2%−1.9—
2m5f – 3m1700%−10.1—
Over 3m200%−10.1—

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
Blue Oyster (GB) (Medicean)

4 siblings in the archive, 1 winner — best of them Abbey's Dream (GB) (3 wins).

The wins came over 7f; the highest grade won is Class 5 (Abbey's Dream (GB)).

ProduceRunsWinsWin tripsBest grade
Abbey's Dream (GB)2037fClass 5
Bluecoltrane (GB)40——
Blue Akoya (GB)70——
Howard's Hobby (GB)30——

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

Form

DateCourseRace PosBtn Wgt SpdKTB Jockey SP
2019 · 2 runs
01 Nov 19+51d Newcastle (AW) Ladbrokes Where The Nation Plays Novice Stakes (Plus 10) Class 4 · 7f · Standard · 11 ran 11/11 6 9-0 48C30C David Allan 50/1
11 Sep 19 Carlisle British EBF Fillies' Novice Stakes (Plus 10) Class 5 · 6f · Good To Soft · 12 ran 12/12 4½ 9-0 34C38C Tom Eaves 40/1

Quick answers

How many races has Mereside Blue won?
Mereside Blue (GB) has yet to win, from 2 archived starts in 2019.
Who trained Mereside Blue?
Mereside Blue (GB) was trained by David Barron on the most recent run on record, at Newcastle (AW) on 1 November 2019.
Who is Mereside Blue's sire?
Mereside Blue (GB) is by Sepoy (AUS) out of Blue Oyster (GB), whose sire is Medicean.
What is Mereside Blue's sire's record?
Sepoy (AUS)'s progeny in our archive have won 10.1% of 3,372 runs since Jan 2008 (279 horses), Flat and jumps together.
Who are Mereside Blue's siblings?
Out of Blue Oyster (GB), Mereside Blue (GB) has 4 other produce in our archive, 1 of them a winner. Most wins: Abbey's Dream (GB) (3). Highest grade won: Class 5 (Abbey's Dream (GB)). The wins came over 7f. As at Oct 2026.

Record shown from September 2019. 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.