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Horse profile

Byron Flyer (GB)

10yo gelding (at last run, Sep 2021) · Last trainer Ian Williams · Last owner Tony Cocum
by Byron (GB) out of Nursling (IRE) (Kahyasi)
57 runs · 23 courses · from May 2015
As at 27 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 26 Sep 2021 — 1,857 days ago. Our archive can't say whether the horse is still in training.
Last run Sep 2021 · 2nd of 7 12 wins · 9 courses Last raced off OR 87
KTB Profile

Byron Flyer (GB) is 12 from 57. Hasn't won since Oct 2019. Last raced off 87, 48lb below the career-high mark.

Based on 57 archived runs · updated 27 Oct 2026
KTB at a glance OR ↓ 48lb off peak
Official rating87↓ 48lb off peak
87 77–135

KTB Speed and Rating

KTB Speed

Best recent Speed 121 the best of the last 3 graded (A or B) runs · Market Rasen, 17 Jul 2021

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 34 figures · best 129C · median 85.5
GoingRunsBestMedianSince 27 Oct 2025
Good16129C85—
Good to Firm10101A87—
Standard (AW)5127A86—
Good to Soft391A83—
DistanceRunsBestMedianSince 27 Oct 2025
1m5f – 2m17129C87—
1m2f – 1m4f14103C82—
2m1f – 2m4f3101C86—
Jumps 13 figures · best 131A · median 111
GoingRunsBestMedianSince 27 Oct 2025
Good10121A111—
Good to Soft2131A108—
Soft1———
DistanceRunsBestMedianSince 27 Oct 2025
2m1f – 2m4f10131A111—
1m5f – 2m293A90.5—
2m5f – 3m1———

Of 48 runs looked at, 1 has no figure: obstacles omitted — the race ran a shortened course (1).

KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 47 figures from 48 runs · as at 3 Oct 2026 · a record, not a forecast

KTB Rating

Best recent KTB Rating (flat) 100A the best of the last 3 rated runs · Epsom Downs, 26 Sep 2021 Official rating 87 at the last flat run, 26 Sep 2021

Best recent KTB Rating (jumps) 132A the best of the last 3 rated runs · Sandown, 24 Apr 2021 Official rating 125 at the last jumps run, 17 Jul 2021

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 35 figures · best 105A · median 88
GoingRunsBestMedianSince 27 Oct 2025
Good16100A90.5—
Good to Firm10105A87—
Standard (AW)688B82.5—
Good to Soft390A87—
DistanceRunsBestMedianSince 27 Oct 2025
1m5f – 2m1797A88—
1m2f – 1m4f15105A90—
2m1f – 2m4f391A87—
Jumps 22 figures · best 134A · median 123.5
GoingRunsBestMedianSince 27 Oct 2025
Good15134A125—
Good to Soft3127A125—
Soft3120B112—
Heavy1———
DistanceRunsBestMedianSince 27 Oct 2025
2m1f – 2m4f16134A125.5—
1m5f – 2m5125B112—
2m5f – 3m1———

KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 57 figures from 57 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 9.4% of 3,248 runs since Jan 2008 (225 horses).

Weakest over 1m5f – 2m (all codes): 4.7% from 172.

GoingRunsWinsSRvs sireThis horse
Firm3412.9%−6.5—
Good to Firm593549.1%−0.30 from 10
Good617538.6%−0.88 from 31
Good to Soft278227.9%−1.51 from 6
Soft300206.7%−2.71 from 3
Heavy69710.1%+0.70 from 1
Standard (AW)1,35714710.8%+1.42 from 6
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f508509.8%+0.4—
6f – 7f1,47815510.5%+1.1—
1m – 1m1f590478%−1.4—
1m2f – 1m4f399328%−1.44 from 15
1m5f – 2m17284.7%−4.72 from 22
2m1f – 2m4f841214.3%+4.96 from 19
2m5f – 3m1600%−9.40 from 1
Over 3m100%−9.4—

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
Nursling (IRE) (Kahyasi)

7 siblings in the archive, 1 winner — best of them Callisto Moon (GB) (15 wins).

The wins came over 1m3f–2m1½f; the highest grade won is Listed (Callisto Moon (GB)).

ProduceRunsWinsWin tripsBest grade
Callisto Moon (GB)83151m3f–2m1½fListed
Callisto Moon I (GB)40—Listed
Western Doyen (IRE)210——
Hopes Up (GB)40——
Saint Boniface (GB)170——
Icelady (GB)50——
Dainty Daisey (IRE)40——

Record by conditions

GoingRunsWinsSR£1
Good 31 8 26% −0.87
Good to Firm 10 0 0% −10.00
Good to Soft 6 1 17% −1.50
Standard (AW) 6 2 33% −0.50
Soft 3 1 33% −0.12
Heavy 1 0 0% −1.00

ClassRunsWinsSR£1
Class 2 34 4 12% −16.50
Class 3 10 4 40% +4.75
Class 4 7 2 29% −1.74
Class 1 3 0 0% −3.00
Class 6 2 1 50% +2.00
Class 5 1 1 100% +0.50

CourseRunsWinsSR£1
Newmarket 7 1 14% −2.50
Epsom Downs 4 0 0% −4.00
Market Rasen 4 1 25% −1.25
York 4 0 0% −4.00
Doncaster 4 2 50% +7.50
Ascot 4 0 0% −4.00
Worcester 3 2 67% +3.88
Chester 3 0 0% −3.00
Newcastle (AW) 3 0 0% −3.00
Haydock 3 0 0% −3.00
Aintree 3 0 0% −3.00
Sandown 2 0 0% −2.00
Ludlow 2 1 50% +0.50
Lingfield (AW) 2 2 100% +3.50
Newmarket (July) 1 0 0% −1.00
Cheltenham 1 0 0% −1.00
Yarmouth 1 0 0% −1.00
Southwell 1 0 0% −1.00
Leicester 1 1 100% +2.00
Wolverhampton (AW) 1 0 0% −1.00
Chepstow 1 0 0% −1.00
Plumpton 1 1 100% +2.50
Newton Abbot 1 1 100% +1.88

DistanceRunsWinsSR£1
1m5f – 2m 22 2 9% −18.12
2m1f – 2m4f 19 6 32% +3.13
1m2f – 1m4f 15 4 27% +2.00
2m5f – 3m 1 0 0% −1.00

JockeyRunsWinsSR£1
William Kennedy 16 5 31% −0.99
Ryan Moore 4 1 25% +0.50
David Probert 3 0 0% −3.00
James Doyle 3 1 33% +0.00
Toby Wheeler 3 2 67% +6.50
Ben Curtis 2 0 0% −2.00
William Buick 2 1 50% +3.50
Fran Berry 2 0 0% −2.00
Adam Kirby 2 2 100% +3.50
Ben Sanderson 1 0 0% −1.00
Callum Hutchinson 1 0 0% −1.00
Miss Serena Brotherton 1 0 0% −1.00
Tom Marquand 1 0 0% −1.00
Robert Dunne 1 0 0% −1.00
Charlie Todd 1 0 0% −1.00
Graham Lee 1 0 0% −1.00
Mickael Barzalona 1 0 0% −1.00
Tom Eaves 1 0 0% −1.00
Hayley Turner 1 0 0% −1.00
Silvestre De Sousa 1 0 0% −1.00
David Egan 1 0 0% −1.00
Alexander Pietsch 1 0 0% −1.00
Harry Bentley 1 0 0% −1.00
Franny Norton 1 0 0% −1.00
Tom O'Brien 1 0 0% −1.00
Stevie Donohoe 1 0 0% −1.00
Luke Morris 1 0 0% −1.00
Jamie Bargary 1 0 0% −1.00
George Downing 1 0 0% −1.00

HeadgearRunsWinsSR£1
None 31 9 29% −0.99
Cheekpieces 18 3 17% −5.00
Visor 6 0 0% −6.00
Tongue tie + cheekpieces 2 0 0% −2.00

SeasonRunsWinsSR£1
2021 10 0 0% −10.00
2020 7 0 0% −7.00
2019 7 2 29% −2.12
2018 10 3 30% +3.00
2017 10 1 10% −8.50
2016 12 6 50% +11.63
2015 1 0 0% −1.00

TypeRunsWinsSR£1
Flat 35 5 14% −16.50
Hurdle 19 5 26% +0.63
Chase 2 2 100% +2.88
NH Flat 1 0 0% −1.00

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
2021 · 10 runs
26 Sep 21+17d Epsom Downs Apprentices' Derby Handicap Class 4 · 12f · Good · 7 ran 2/7 4¾ 10-3 8784A100A Ben Sanderson 11/1
09 Sep 21+12d Epsom Downs Emplas Express Jump Jockeys Derby Handicap Class 4 · 12f · Good · 11 ran 3/11 1½ 11-12 8772A95A William Kennedy 25/1
28 Aug 21+42d Newmarket (July) Close Brothers Asset Management Handicap Class 2 · 14f · Good To Firm · 7 ran 7/7 13 8-7 8969C60C Callum Hutchinson 28/1
17 Jul 21+24d Market Rasen Heed Your Hunch At Betway Handicap Hurdle (GBB Race) Class 2 · 23f · Good · 6 ran 5/6 1¼ 11-5 125121A117B William Kennedy 8/1
23 Jun 21+11d Worcester Arundel Boy's Favourites: Flynn, Arsenal, Esco Handicap Hurdle Class 3 · 20f · Good · 9 ran 4/9 7 11-12 127116A122A William Kennedy 6/1
12 Jun 21+36d York Queen Mother's Cup Handicap (Female Amateur Jockeys) Class 3 · 12f · Good To Firm · 6 ran 3/6 1¼ 10-10 9163A92B Miss Serena Brotherton 7/2
07 May 21+13d Chester tote+ Chester Plate Handicap Class 2 · 18.5f · Good To Soft · 13 ran 6/13 ½ 9-9 9383C87A Tom Marquand 40/1
24 Apr 21+10d Sandown bet365 Handicap Hurdle (GBB Race) Class 2 · 20f · Good · 12 ran 2/12 ½ 10-4 122115A132A Robert Dunne 50/1
14 Apr 21+19d Cheltenham Kingston Stud Handicap Hurdle (GBB Race) Class 2 · 20.5f · Good · 12 ran 11/12 10 11-0 128111C109C William Kennedy 80/1
26 Mar 21+118d Newcastle (AW) Betway Handicap Class 3 · 12.5f · Standard To Slow · 6 ran 6/6 12 9-11 9661C64C David Probert 50/1
2020 · 7 runs
28 Nov 20+28d Doncaster Visit Attheraces.com Handicap Hurdle Class 3 · 19.5f · Good To Soft · 9 ran 8/9 9 11-6 13085A106A Charlie Todd 9/2
31 Oct 20+35d Ascot Sodexo Handicap Hurdle (Listed) Class 1 · 15.5f · Soft · 8 ran 5/8 2¾ 11-0 13293A112A William Kennedy 18/1
26 Sep 20+9d Haydock Close Brothers Premium Finance Handicap Class 2 · 14f · Good · 6 ran 5/6 nk 9-11 9774A85B Graham Lee 40/1
17 Sep 20+27d Yarmouth Follow At The Races On Twitter Handicap Class 2 · 14f · Good To Firm · 6 ran 5/6 hd 10-0 9989A91B Ryan Moore 11/1
21 Aug 20+51d York Sky Bet Handicap Class 2 · 12f · Good · 9 ran 7/9 18 9-10 10155C75C Ben Curtis 33/1
01 Jul 20+25d Southwell signsolutions.org Handicap Hurdle (GBB Race) Class 2 · 20.5f · Good · 12 ran 4/12 3 11-1 134103A126A William Kennedy 9/2
06 Jun 20+241d Newmarket Trade On The Betfair Exchange Handicap Class 2 · 12f · Good · 8 ran 4/8 nk 9-7 10375A90A William Buick 40/1
2019 · 7 runs
09 Oct 19+29d Ludlow Vera Davies Chase (Novices' Limited Handicap) Class 3 · 20f · Good · 5 ran 1/5 11-8 13548C129B William Kennedy 6/4F
10 Sep 19+17d Worcester Charles Stanley Investment Choices Novices' Chase Class 4 · 16.5f · Good · 4 ran 1/4 11-2 13388C125B William Kennedy 11/8F
24 Aug 19+49d Newmarket Price Bailey 'firm Of The Year' Handicap Class 2 · 14f · Good To Firm · 7 ran 4/7 ½ 9-10 10472A94A David Probert 11/1
06 Jul 19+15d Haydock bet365 Old Newton Cup Handicap Class 2 · 12f · Good To Firm · 17 ran 16/17 3¾ 9-5 10493C74C David Probert 25/1
21 Jun 19+20d Ascot Duke Of Edinburgh Stakes (Handicap) Class 2 · 12f · Good · 19 ran 8/19 nse 9-9 105103C98A Mickael Barzalona 25/1
01 Jun 19+17d Epsom Downs Investec Out Of The Ordinary Handicap Class 2 · 12f · Good To Firm · 11 ran 2/11 1½ 9-7 10485A105A James Doyle 25/1
15 May 19+199d York Sky Bet Race To The Ebor Jorvik Handicap Class 2 · 12f · Good To Firm · 18 ran 13/18 ½ 9-9 10480C83A Ben Curtis 33/1
2018 · 10 runs
28 Oct 18+19d Aintree Racing Uk Handicap Hurdle Class 2 · 20f · Good · 11 ran 6/11 ½ 11-5 133—127A William Kennedy 4/1C
09 Oct 18+12d Leicester Squirrel Handicap Class 2 · 12f · Good · 3 ran 1/3 9-8 10290C96C James Doyle 2/1
27 Sep 18+12d Newmarket Weatherbys General Stud Book Handicap Class 2 · 12f · Good · 6 ran 1/6 9-12 9892A94B Ryan Moore 7/2
15 Sep 18+21d Doncaster Cliff Stud Rearing Winners Handicap Class 2 · 12f · Good · 5 ran 1/5 9-5 9572C89B William Buick 9/2
25 Aug 18+14d Newmarket Price Bailey 'right Advice For Life' Handicap Class 2 · 14f · Good To Firm · 7 ran 3/7 ½ 9-3 96101A92A Tom Eaves 9/1
11 Aug 18+42d Ascot Dubai Duty Free Shergar Cup Stayers (Handicap) Class 2 · 16f · Good · 10 ran 3/10 ¾ 9-9 9587B90A Hayley Turner 5/1
30 Jun 18+21d Newcastle (AW) Stobart Rail & Civils Northumberland Plate Handicap (Heritage Handicap) Class 2 · 16.5f · Standard To Slow · 20 ran 17/20 13 9-0 9881C72C Fran Berry 16/1
09 Jun 18+14d Newmarket John Sunley Memorial Handicap Class 2 · 14f · Good To Firm · 13 ran 11/13 3 9-5 9896C76C Ryan Moore 6/1
26 May 18+15d Haydock Amix Ready Mixed Concrete Handicap Class 2 · 16f · Good · 9 ran 2/9 ½ 9-9 9679A97A Silvestre De Sousa 7/2
11 May 18+209d Chester 188bet Chester Plate Handicap Class 2 · 18.5f · Good · 16 ran 5/16 1½ 9-7 9686C91A David Egan 9/2
2017 · 10 runs
14 Oct 17+29d Newmarket Betfred Cesarewitch Handicap Class 2 · 18f · Good · 34 ran 7/34 1¼ 9-0 93101C82A Fran Berry 16/1
15 Sep 17+34d Doncaster William Hill Mallard Handicap Class 2 · 14.5f · Good To Soft · 7 ran 2/7 hd 8-13 9391A90A Ryan Moore 6/1
12 Aug 17+28d Ascot Dubai Duty Free Shergar Cup Stayers (Handicap) Class 2 · 16f · Good To Soft · 10 ran 2/10 nk 9-9 9378B85A Alexander Pietsch 7/1
15 Jul 17+35d York John Smith's Stayers' Handicap Class 3 · 16.5f · Good · 9 ran 2/9 nk 9-4 9063A91A James Doyle 7/4F
10 Jun 17+14d Newmarket John Sunley Memorial Handicap Class 2 · 14f · Good · 14 ran 2/14 hd 8-5 87129C88A Harry Bentley 8/1
27 May 17+50d Chester Mionetto Prosecco Handicap Class 3 · 13.5f · Good To Firm · 10 ran 7/10 ½ 9-4 8793A80A Franny Norton 5/2J
07 Apr 17+16d Aintree Alder Hey Children's Charity Handicap Hurdle (Grade 3) Class 1 · 20f · Good · 22 ran 5/22 ¾ 11-0 134111B130A Tom O'Brien 16/1
22 Mar 17+35d Newcastle (AW) Betway Stayers' Handicap Class 2 · 16.5f · Standard · 8 ran 4/8 nk 9-1 87127A83A Stevie Donohoe 9/2
15 Feb 17+11d Wolverhampton (AW) Betway Handicap Class 2 · 16.5f · Standard · 11 ran 2/11 nk 9-0 84110A82A Luke Morris 7/2
04 Feb 17+63d Lingfield (AW) Betway Stayers Handicap Class 5 · 16f · Standard · 6 ran 1/6 10-2 7786A88B Adam Kirby 1/2F
2016 · 12 runs
03 Dec 16+7d Aintree Betfred 'home Of Goals Galore' Handicap Hurdle Class 2 · 20f · Good To Soft · 9 ran 5/9 ¾ 10-7 133131A127A Toby Wheeler 9/2
26 Nov 16+49d Doncaster 188bet Handicap Hurdle Class 3 · 19.5f · Good · 9 ran 1/9 10-13 127111A125A Toby Wheeler 5/1
08 Oct 16+13d Chepstow totepool Silver Trophy Handicap Hurdle (Grade 3) Class 1 · 19.5f · Good · 14 ran 14/14 ½ 9-9 129106C98C Jamie Bargary 20/1
25 Sep 16+71d Epsom Downs Totesport.com Apprentices' Derby Handicap Class 4 · 12f · Good · 11 ran 4/11 nse 9-8 7793A88A George Downing 8/1
16 Jul 16+27d Market Rasen Betfred Racing 'like Us On Facebook' Handicap Hurdle Class 2 · 20.5f · Good · 11 ran 8/11 3 10-11 130—115A William Kennedy 4/1J
19 Jun 16+35d Worcester Bet Totetrifecta Handicap Hurdle Class 2 · 20f · Good To Soft · 9 ran 1/9 10-6 125—125B William Kennedy 7/2J
15 May 16+7d Market Rasen Eco Control Solutions Handicap Hurdle Class 3 · 20.5f · Good · 8 ran 1/8 11-3 113—134A William Kennedy 7/4F
08 May 16+33d Plumpton Totepool Racing Excellence Conditional Jockeys' Training Series Final Handicap Hurdle Class 3 · 20.5f · Good · 7 ran 1/7 10-4 113—128B Toby Wheeler 5/2F
05 Apr 16+33d Newton Abbot Marie Curie Great Daffodil Appeal Novices' Hurdle Class 4 · 17f · Soft · 5 ran 1/5 11-0 ——120B William Kennedy 15/8
03 Mar 16+13d Ludlow Three Counties Equine Hospital Novices' Hurdle Class 4 · 16f · Soft · 16 ran 5/16 nk 11-3 ——92A William Kennedy 8/1
19 Feb 16+30d Sandown David Lindon & Co Novices' Hurdle Class 4 · 16f · Heavy · 9 ran 4/9 3½ 11-2 ——99A William Kennedy 11/1
20 Jan 16+257d Lingfield (AW) Coral Median Auction Maiden Stakes Class 6 · 12f · Standard · 6 ran 1/6 9-9 ——83B Adam Kirby 3/1
2015 · 1 run
08 May 15 Market Rasen Next Meeting Sunday 17th May Standard Open NH Flat Race (Div 2) Class 6 · 16.5f · Good · 11 ran 4/11 ¾ 10-12 ——116A William Kennedy 25/1

Quick answers

How many races has Byron Flyer won?
Byron Flyer (GB) won 12 of 57 archived starts between 2015 and 2021, a strike rate of 21.1%. Placed 23 times in total (40.4% of starts).
Who trained Byron Flyer?
Byron Flyer (GB) was trained by Ian Williams on the most recent run on record, at Epsom Downs on 26 September 2021.
Who is Byron Flyer's sire?
Byron Flyer (GB) is by Byron (GB) out of Nursling (IRE), whose sire is Kahyasi.
What going does Byron Flyer prefer?
Byron Flyer (GB) has the best record on standard (aw) going: 2 wins from 6 starts (33.3%). Only going bands with at least three archived starts are read, so this is a direction rather than a settled preference.
What is Byron Flyer's official rating?
The most recent official rating on record is 87, from the run on 26 September 2021. The highest on record is 135.
What is Byron Flyer's sire's record?
Byron (GB)'s progeny in our archive have won 9.4% of 3,248 runs since Jan 2008 (225 horses), Flat and jumps together. Weakest over 1m5f – 2m (all codes): 4.7% from 172.
Who are Byron Flyer's siblings?
Out of Nursling (IRE), Byron Flyer (GB) has 7 other produce in our archive, 1 of them a winner. Most wins: Callisto Moon (GB) (15). Highest grade won: Listed (Callisto Moon (GB)). The wins came over 1m3f–2m1½f. As at Oct 2026.

Record shown from May 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.