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Horse profile

Mistral Blue (GB)

8yo mare · Trainer Fergal O'Brien · Owner Make Mine A Double Partnership
by Blue Bresil (FR) out of Mistral Reine (GB) (King's Theatre)
20 runs · 10 courses · from Apr 2023
As at 25 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
3 wins · Uttoxeter, Hereford & Doncaster Last run 8 Oct 2026 · 3rd of 8 Last raced off OR 97
KTB Profile

Mistral Blue is a mare with three wins from 20 starts on turf, all on good going. She won the Class 5 mares handicap hurdle at Uttoxeter over 2m5f – 3m in Jun 2026 off an official rating of 97, the Class 5 mares handicap hurdle at Hereford over 2m1f – 2m4f in Apr 2025 off 93, and the Class 3 mares novices hurdle at Doncaster over 2m1f – 2m4f in Dec 2023. She usually races prominently and finished third of eight at Market Rasen in Oct 2026. Aged 8 at her last run in Oct 2026, she last raced off an official rating of 97, 10lb below her highest ever mark.

Based on 20 archived runs · run-style from 13 commented runs since Dec 2024 · updated 25 Oct 2026
KTB at a glance Wins on good or faster OR ↓ 10lb off peak
Official rating97↓ 10lb off peak
97 93–107

KTB Speed and Rating

KTB Speed

Best recent Speed 113 the best of the last 3 graded (A or B) runs · Market Rasen, 8 Oct 2026

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 15 figures · best 122A · median 96
GoingRunsBestMedianSince 25 Oct 2025
Good13122A968 runs · 122 / 94
Good to Soft1———
Soft1———
DistanceRunsBestMedianSince 25 Oct 2025
2m5f – 3m6113B946 runs · 113 / 94
2m1f – 2m4f5122A882 runs · 122 / 104.5
1m5f – 2m3109B106—
Over 3m1———

Of 20 runs looked at, 5 have no figure: did not complete (3) · obstacles omitted — the race ran a shortened course (2).

KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 15 figures from 20 runs · as at 16 Oct 2026 · a record, not a forecast

KTB Rating

Best recent KTB Rating 108A the best of the last 3 rated runs · Market Rasen, 8 Oct 2026 Official rating 97 at the last run, 8 Oct 2026

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 17 figures · best 117B · median 103
GoingRunsBestMedianSince 25 Oct 2025
Good14117B102.58 runs · 113 / 105
Good to Soft2107A105—
Soft1———
DistanceRunsBestMedianSince 25 Oct 2025
2m5f – 3m7112A1026 runs · 112 / 101.5
2m1f – 2m4f6117B108.52 runs · 113 / 111
1m5f – 2m3110A107—
Over 3m1———

Of 20 runs looked at, 3 have no figure: did not complete (or a non-runner row) (3).

KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 17 figures from 20 runs · as at 16 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 from 13 analysed runs since Dec 2024

  • Prominent 5 (38%) · 2 wins
  • Mid-division 5 (38%) · 0 wins
  • Held up 2 (15%) · 0 wins
  • Led 1 (8%) · 0 wins

Pedigree intelligence

Sire

Progeny in our archive have won 12.2% of 3,497 runs since Jan 2008 (454 horses).

GoingRunsWinsSRvs sireThis horse
Firm100%−12.2—
Good to Firm45715.6%+3.4—
Good90510211.3%−0.93 from 15
Good to Soft7318311.4%−0.80 from 3
Soft1,18915212.8%+0.60 from 2
Heavy5727513.1%+0.9—
Standard (AW)5259.6%−2.6—
Distance (all codes)RunsWinsSRvs sireThis horse
6f – 7f10110%−2.2—
1m – 1m1f3725.4%−6.8—
1m2f – 1m4f6757.5%−4.7—
1m5f – 2m1,24516513.3%+1.10 from 3
2m1f – 2m4f1,48117111.5%−0.72 from 8
2m5f – 3m5677112.5%+0.31 from 8
Over 3m901011.1%−1.10 from 1

Flat and jumps together (all codes) · since Jan 2008 · as at 25 Oct 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Mistral Reine (GB) (King's Theatre)

2 siblings in the archive, 1 winner — best of them Mistral Nell (GB) (2 wins).

The wins came over 2m–2m3½f; the highest grade won is Class 5 (Mistral Nell (GB)).

ProduceRunsWinsWin tripsBest grade
Mistral Nell (GB)1722m–2m3½fClass 5
Mistral Tommy (GB)10——

Record by conditions

GoingRunsWinsSR£1
Good 15 3 20% +3.43
Good to Soft 3 0 0% −3.00
Soft 2 0 0% −2.00

ClassRunsWinsSR£1
Class 5 11 2 18% +2.83
Class 4 8 0 0% −8.00
Class 3 1 1 100% +3.60

CourseRunsWinsSR£1
Huntingdon 5 0 0% −5.00
Hereford 3 1 33% +1.33
Market Rasen 2 0 0% −2.00
Uttoxeter 2 1 50% +7.50
Doncaster 2 1 50% +2.60
Fakenham 2 0 0% −2.00
Stratford 1 0 0% −1.00
Worcester 1 0 0% −1.00
Warwick 1 0 0% −1.00
Southwell 1 0 0% −1.00

DistanceRunsWinsSR£1
2m5f – 3m 8 1 13% +1.50
2m1f – 2m4f 8 2 25% +0.93
1m5f – 2m 3 0 0% −3.00
Over 3m 1 0 0% −1.00

JockeyRunsWinsSR£1
Fern O'Brien 12 2 17% +1.83
Connor Brace 8 1 13% −3.40

HeadgearRunsWinsSR£1
None 19 3 16% −0.57
Cheekpieces 1 0 0% −1.00

SeasonRunsWinsSR£1
2026 7 1 14% +2.50
2025 5 1 20% −0.67
2024 4 0 0% −4.00
2023 4 1 25% +0.60

TypeRunsWinsSR£1
Hurdle 17 3 18% +1.43
NH Flat 3 0 0% −3.00

Splits include every sample, however small — muted rows are under 3 runs. A one-from-one record is a fact, not a trend: read the Runs column before the strike rate.

Form

DateCourseRace PosBtn Wgt ORSpdKTB Jockey SP
2026 · 7 runs
08 Oct 26+33d Market Rasen Market Rasen Racecourse Caravan Park Mares' Handicap Hurdle Race Class 5 · 23f · Good · 8 ran handy early - closed up 7th - urged before 2 out - stayed on without threatening to finish 3rd 3/8 6 11-2 97113B108A Fern O'Brien 9/1
05 Sep 26+17d Stratford Andy Townsend Memorial Mares' Handicap Hurdle Race Class 5 · 22f · Good · 9 ran Sat up with the front group - pressed for effort after two out - lost ground nearing the last and finished 7th 7/9 1 11-9 9992A102A Fern O'Brien 8/1
19 Aug 26+26d Worcester Copybet Overnight Best Odds Guaranteed Handicap Hurdle Race Class 5 · 23f · Good · 15 ran Held up towards the back - given a squeeze before three out - made no impression - eventually well held in 11th 11/15 ¾ 11-6 10190B92A Fern O'Brien 25/1
24 Jul 26+41d Uttoxeter Eaton Hall Shooting Ground Handicap Hurdle Race Class 4 · 23.5f · Good · 16 ran raced in the pack - jumped awkwardly at the 5th - driven for effort before 3 out - dropped away and unable to match the front-runners before the last 6/16 8 11-1 10296B98A Fern O'Brien 10/1
13 Jun 26+16d Uttoxeter Noble Minds Counselling Services Mares' Handicap Hurdle Class 5 · 23.5f · Good · 7 ran Handy early - hampered second - pushed into contention two out and locked into a battle for command - stayed on strong to clear away on the run-in 1/7 11-8 9788A112A Fern O'Brien 17/2
28 May 26+24d Market Rasen Family Extravaganza Raceday On Sunday 5th July Mares' Handicap Hurdle Class 5 · 20.5f · Good · 8 ran Sat in touch for much of the way - hit the front three out before being overtaken at the final obstacle - stayed on at one gear to finish third 3/8 3¾ 11-9 9787B113A Fern O'Brien 10/1
04 May 26+148d Warwick Racing To School Celebrating 25 Years Mares' Handicap Hurdle Class 5 · 21f · Good · 12 ran Settled towards the back - clipped a fence 6th and still in contention with driving into 3 out - clumsy again 2 out and dropped away to finish 5th 5/12 6 11-7 98112B101A Fern O'Brien 18/1
2025 · 5 runs
07 Dec 25+26d Huntingdon Sky Bet Acca Freeze Conditional Jockeys' Handicap Hurdle Class 4 · 20.5f · Soft · 9 ran Settled midpack early - error at the 3rd then slipped backwards with another blunder at the 7th - struggled badly three out losing touch with the field - well beaten and eased before the second last PU/9 — 10-13 99—— Fern O'Brien 16/1
11 Nov 25+215d Huntingdon pricedup.bet Conditional Jockeys' Handicap Hurdle Class 5 · 20.5f · Good · 8 ran Settled in the pack early - improved into third and up behind the front pair 2 out - clipped the last then pushed on to move into second - couldn't quite get to the winner close home 2/8 1 11-8 97122A109A Fern O'Brien 14/1
10 Apr 25+15d Hereford Blackmore Build Mares' Handicap Hurdle Class 5 · 19.5f · Good · 8 ran Settled behind the front group - improved into second before 3 out - hit the front on the home turn - pushed out up the run-in - kept on for the win 1/8 11-0 9399A108A Fern O'Brien 10/3
26 Mar 25+14d Hereford Hereford Bull Trail 2025 Conditional Jockeys' Mares' Handicap Hurdle Class 5 · 19.5f · Good · 8 ran Went straight to front - lost command in second - stayed handy through the race - asked for effort two out but found little approaching the last 4/8 1½ 11-4 9588C103A Fern O'Brien 12/1
12 Mar 25+89d Huntingdon Seth And Sid Memorial Mares' Handicap Hurdle Class 5 · 19.5f · Good · 7 ran Sat close to the front group early - dropped away after the 5th and slipped towards the back - blundered 4 out and fell further adrift - eased out of contention before the second-last PU/7 — 11-9 100—— Connor Brace 20/1
2024 · 4 runs
13 Dec 24+200d Doncaster Free Tips Daily On attheraces.com Mares' Handicap Hurdle Class 4 · 24.5f · Good To Soft · 10 ran Settled midfield early - faded well before four out - eased and pulled up before the following fence PU/10 — 11-9 105—— Connor Brace 33/1
27 May 24+34d Huntingdon Charge Up Your Summer With Rhino.Bet Conditional Jockeys' Handicap Hurdle Class 4 · 25f · Good · 6 ran 3/6 31 11-11 107112C92C Fern O'Brien 11/1
23 Apr 24+85d Southwell Download The PlanetSportBet App Mares' Novices' Hurdle (GBB Race) Class 4 · 20.5f · Good · 11 ran 7/11 nk 11-7 —66C97C Connor Brace 14/1
29 Jan 24+58d Hereford Bet 10 Get 10 At PlanetSportBet Novices' Hurdle (GBB Race) (Div 1) Class 4 · 21.5f · Good To Soft · 8 ran 6/8 12 11-5 ——103C Connor Brace 15/2
2023 · 4 runs
02 Dec 23+19d Doncaster At The Races App Market Movers Mares' Novices' Hurdle (GBB Race) Class 3 · 19.5f · Good · 5 ran 1/5 11-0 ——117B Connor Brace 18/5
13 Nov 23+186d Fakenham Sky Bet Request A Bet Open NH Flat Race (GBB Race) Class 4 · 16f · Good To Soft · 8 ran 2/8 12 10-9 —106C107A Connor Brace 11/4
11 May 23+31d Huntingdon Racing TV Open Maiden NH Flat Race (GBB Race) Class 5 · 16f · Good · 16 ran 11/16 5½ 10-11 —109B90A Connor Brace 14/1
10 Apr 23 Fakenham Racing TV Mares' Open Maiden NH Flat Race (GBB Race) Class 4 · 16f · Soft · 11 ran 5/11 2 11-2 —95A110A Connor Brace 13/2

Quick answers

How many races has Mistral Blue won?
Mistral Blue (GB) won 3 of 20 archived starts between 2023 and 2026, a strike rate of 15%. Placed 7 times in total (35% of starts).
Who trains Mistral Blue?
Mistral Blue (GB) is trained by Fergal O'Brien, who saddled the horse on its most recent run on 8 October 2026.
Who is Mistral Blue's sire?
Mistral Blue (GB) is by Blue Bresil (FR) out of Mistral Reine (GB), whose sire is King's Theatre.
What going does Mistral Blue prefer?
Mistral Blue (GB) has the best record on good going: 3 wins from 15 starts (20%). Only going bands with at least three archived starts are read, so this is a direction rather than a settled preference.
What is Mistral Blue's official rating?
The most recent official rating on record is 97, from the run on 8 October 2026. The highest on record is 107.
What is Mistral Blue's sire's record?
Blue Bresil (FR)'s progeny in our archive have won 12.2% of 3,497 runs since Jan 2008 (454 horses), Flat and jumps together.
Who are Mistral Blue's siblings?
Out of Mistral Reine (GB), Mistral Blue (GB) has 2 other produce in our archive, 1 of them a winner. Most wins: Mistral Nell (GB) (2). Highest grade won: Class 5 (Mistral Nell (GB)). The wins came over 2m–2m3½f. As at Oct 2026.

Record shown from April 2023. 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.