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Horse profile

Mr Chisholm (IRE)

7yo gelding (at last run, Jun 2010) · Last trainer C Byrnes · Last owner Sliabh Na Mban Syndicate
by Luso (GB) out of Summer Holiday (IRE) (Kambalda)
2 runs · 2 courses · from Feb 2010
As at 28 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 6 Jun 2010 — 5,987 days ago. Our archive can't say whether the horse is still in training.
Last run Jun 2010
KTB Profile

Lightly raced, with 2 archived starts between Feb 2010 and Jun 2010, the last of them as a 7yo gelding. By Luso (GB), whose progeny in our archive have won 6.7% of 3,516 runs since Jan 2008.

Based on 2 archived runs · updated 28 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 89C the best of the last 1 rated run · Clonmel, 4 Feb 2010

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 1 figure · too few for a breakdown

Of 2 runs looked at, 1 has no figure: did not complete (or a non-runner row) (1).

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

Progeny in our archive have won 6.7% of 3,516 runs since Jan 2008 (389 horses).

GoingRunsWinsSRvs sireThis horse
Firm39615.4%+8.7—
Good to Firm385307.8%+1.1—
Good1,062676.3%−0.40 from 1
Good to Soft454275.9%−0.8—
Soft930616.6%−0.1—
Heavy634436.8%+0.10 from 1
Standard (AW)1218.3%+1.6—
Distance (all codes)RunsWinsSRvs sireThis horse
1m2f – 1m4f800%−6.7—
1m5f – 2m731354.8%−1.90 from 1
2m1f – 2m4f1,331977.3%+0.60 from 1
2m5f – 3m1,170776.6%−0.1—
Over 3m276269.4%+2.7—

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
Summer Holiday (IRE) (Kambalda)

4 siblings in the archive, 2 winners — best of them Calivigny (IRE) (8 wins).

The wins came over 1m7½f–3m2f; the highest grade won is Class 2 (Calivigny (IRE)).

ProduceRunsWinsWin tripsBest grade
Calivigny (IRE)4882m3½f–3m2fClass 2
Ballabrook (IRE)3341m7½f–2m5fClass 4
Helvic (IRE)100——
Helvic I (IRE)10——

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

Form

DateCourseRace PosBtn Wgt KTB Jockey SP
2010 · 2 runs
06 Jun 10+122d Kilbeggan Sunday Family Day At Kilbeggan Maiden Hurdle 20f · Good · 15 ran RR/15 — 11-1 — B C Byrnes 20/1
04 Feb 10 Clonmel Clogheen Flat Race 16.5f · Heavy · 12 ran 11/12 30 11-7 89C Mr J M O'Connor 12/1

Quick answers

How many races has Mr Chisholm won?
Mr Chisholm (IRE) has yet to win, from 2 archived starts in 2010.
Who trained Mr Chisholm?
Mr Chisholm (IRE) was trained by C Byrnes on the most recent run on record, at Kilbeggan on 6 June 2010.
Who is Mr Chisholm's sire?
Mr Chisholm (IRE) is by Luso (GB) out of Summer Holiday (IRE), whose sire is Kambalda.
What is Mr Chisholm's sire's record?
Luso (GB)'s progeny in our archive have won 6.7% of 3,516 runs since Jan 2008 (389 horses), Flat and jumps together.
Who are Mr Chisholm's siblings?
Out of Summer Holiday (IRE), Mr Chisholm (IRE) has 4 other produce in our archive, 2 of them winners. Most wins: Calivigny (IRE) (8). Highest grade won: Class 2 (Calivigny (IRE)). The wins came over 1m7½f–3m2f. As at Oct 2026.

Record shown from February 2010. 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.