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Horse profile

Cobalt Marthen (FR)

5yo gelding (at last run, Apr 2017) · Last trainer Richard Hobson · Last owner D A Thorpe
by Balko (FR) out of Hellen Marthen (FR) (Passing Sale)
1 run · 1 course · from Apr 2017
As at 4 Nov 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 8 Apr 2017 — 3,497 days ago. Our archive can't say whether the horse is still in training.
Last run Apr 2017 · 5th of 9
KTB Profile

Lightly raced, with 1 archived start in Apr 2017 as a 5yo gelding. Finished 5 of 9 at Chepstow last time. By Balko (FR), whose progeny in our archive have won 12.7% of 2,661 runs since Mar 2011.

Based on 1 archived run · updated 4 Nov 2026

KTB Speed and Rating

KTB Speed

Best recent Speed 131 the best of the last 1 graded (A or B) run · Chepstow, 8 Apr 2017

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 →

Jumps 1 figure · too few for a breakdown

KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 1 figure from 1 run · as at 3 Oct 2026 · a record, not a forecast

KTB Rating

Best recent KTB Rating 114A the best of the last 1 rated run · Chepstow, 8 Apr 2017

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 — its best recent day. The KTB Rating on a racecard is a different reading of the same figures: the level the horse has been running to, an average of up to its last six runs with the latest counting most, so the two can differ. 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

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

Progeny in our archive have won 12.7% of 2,661 runs since Mar 2011 (297 horses).

GoingRunsWinsSRvs sireThis horse
Good to Firm1516.7%−6—
Good4806714%+1.30 from 1
Good to Soft3755013.3%+0.6—
Soft1,12013812.3%−0.4—
Heavy6648212.3%−0.4—
Standard (AW)700%−12.7—
Distance (all codes)RunsWinsSRvs sireThis horse
6f – 7f100%−12.7—
1m – 1m1f100%−12.7—
1m2f – 1m4f2229.1%−3.6—
1m5f – 2m5426211.4%−1.30 from 1
2m1f – 2m4f1,32017313.1%+0.4—
2m5f – 3m6238012.8%+0.1—
Over 3m1522113.8%+1.1—

Flat and jumps together (all codes) · since Mar 2011 · as at 4 Nov 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Hellen Marthen (FR) (Passing Sale)

No other produce in our archive. It holds racing in Great Britain, Ireland and France from 2005, so siblings racing elsewhere won’t appear here.

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

Form

DateCourseRace PosBtn Wgt SpdKTB Jockey SP
2017 · 1 run
08 Apr 17 Chepstow mytotepool.com Exclusive Racing Preview Standard Open NH Flat Race (Div 2) Class 6 · 2m · Good · 9 ran 5/9 6 11-0 131A114A Alain Cawley 12/1

Quick answers

How many races has Cobalt Marthen won?
Cobalt Marthen (FR) has yet to win, from 1 archived start in 2017.
Who trained Cobalt Marthen?
Cobalt Marthen (FR) was trained by Richard Hobson on the most recent run on record, at Chepstow on 8 April 2017.
Who is Cobalt Marthen's sire?
Cobalt Marthen (FR) is by Balko (FR) out of Hellen Marthen (FR), whose sire is Passing Sale.
What is Cobalt Marthen's sire's record?
Balko (FR)'s progeny in our archive have won 12.7% of 2,661 runs since Mar 2011 (297 horses), Flat and jumps together.

Record shown from April 2017. 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.