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Horse profile

Dark Side Thunder (GB)

7yo gelding · Trainer Jessica Macey · Owner M M Foulger
51 runs · 12 courses · from Mar 2022
As at 22 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
9 wins · 4 courses Last run 12 Oct 2026 · 9th of 13 Last raced off OR 64
KTB Profile

Dark Side Thunder (GB) is 9 from 51. 3 of 5 starts at Kempton (AW) have ended in wins. All 9 wins have come over 6f – 7f. Last raced off 64, 14lb below the career-high mark.

Based on 51 archived runs · run-style from 25 commented runs since Sep 2024 · updated 22 Oct 2026
KTB at a glance OR ↓ 14lb off peak
Official rating64↓ 14lb off peak
64 60–78

KTB Speed and Rating

KTB Speed

Best recent Speed 97 the best of the last 3 graded (A or B) runs · Yarmouth, 15 Jul 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 →

Flat 51 figures · best 115B · median 94
GoingRunsBestMedianSince 22 Oct 2025
Standard (AW)27109A926 · 103 / 94.5
Good to Firm11115B1035 · 114 / 97
Good7109A103—
Good to Soft585A772 · 77 / 75.5
Soft1———
DistanceRunsBestMedianSince 22 Oct 2025
6f – 7f51115B9413 · 114 / 92

KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 51 figures from 51 runs · as at 20 Oct 2026 · a record, not a forecast

KTB Rating

Best recent KTB Rating 87B the best of the last 3 rated runs · Yarmouth, 15 Jul 2026 Official rating 64 at the last run, 12 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 →

Flat 51 figures · best 107A · median 84
GoingRunsBestMedianSince 22 Oct 2025
Standard (AW)27102A846 · 93 / 75
Good to Firm1195A855 · 92 / 79
Good7104A84—
Good to Soft5107A812 · 61 / 60
Soft1———
DistanceRunsBestMedianSince 22 Oct 2025
6f – 7f51107A8413 · 93 / 72

KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 51 figures from 51 runs · as at 20 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 25 analysed runs since Sep 2024

  • Mid-division 11 (44%) · 0 wins
  • Prominent 11 (44%) · 2 wins
  • Held up 3 (12%) · 0 wins

Pedigree intelligence

Sire

Progeny in our archive have won 16.3% of 5,072 runs since Jan 2008 (562 horses).

Weakest over 1m5f – 2m (all codes): 7% from 157.

GoingRunsWinsSRvs sireThis horse
Firm4250%+33.7—
Good to Firm83115418.5%+2.20 from 11
Good1,22019916.3%00 from 7
Good to Soft5809215.9%−0.41 from 5
Soft70212017.1%+0.80 from 1
Heavy2153616.7%+0.4—
Standard (AW)1,52022414.7%−1.68 from 27
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f3826015.7%−0.6—
6f – 7f2,11337217.6%+1.39 from 51
1m – 1m1f1,36020615.1%−1.2—
1m2f – 1m4f1,00217217.2%+0.9—
1m5f – 2m157117%−9.3—
2m1f – 2m4f47510.6%−5.7—
2m5f – 3m9111.1%−5.2—
Over 3m200%−16.3—

Flat and jumps together (all codes) · since Jan 2008 · as at 22 Oct 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam

4 siblings in the archive, 2 winners — best of them Dark Side Prince (GB) (11 wins).

The wins came over 5f; the highest grade won is Class 4 (Thunder Star (GB)).

ProduceRunsWinsWin tripsBest grade
Dark Side Prince (GB)53115fClass 5
Thunder Star (GB)3655fClass 4
Dark Side Premier (GB)50——
Dark Side Diamond (GB)20——

Record by conditions

GoingRunsWinsSR£1
Standard (AW) 27 8 30% +9.66
Good to Firm 11 0 0% −11.00
Good 7 0 0% −7.00
Good to Soft 5 1 20% −1.50
Soft 1 0 0% −1.00

ClassRunsWinsSR£1
Class 5 27 6 22% +1.25
Class 4 19 1 5% −15.50
Class 6 4 2 50% +4.41
Class 2 1 0 0% −1.00

CourseRunsWinsSR£1
Southwell (AW) 15 4 27% +3.41
Yarmouth 12 1 8% −8.50
Kempton (AW) 5 3 60% +9.50
Chelmsford City (AW) 4 1 25% −0.25
Doncaster 3 0 0% −3.00
Newcastle (AW) 3 0 0% −3.00
Leicester 2 0 0% −2.00
Haydock 2 0 0% −2.00
York 2 0 0% −2.00
Newmarket 1 0 0% −1.00
Ascot 1 0 0% −1.00
Thirsk 1 0 0% −1.00

JockeyRunsWinsSR£1
Lewis Edmunds 36 8 22% +0.66
Harrison Shaw 4 0 0% −4.00
George Wood 3 1 33% +0.50
Oliver Stammers 2 0 0% −2.00
Hollie Doyle 2 0 0% −2.00
Silvestre De Sousa 2 0 0% −2.00
Darragh Keenan 1 0 0% −1.00
Richard Kingscote 1 0 0% −1.00

HeadgearRunsWinsSR£1
Cheekpieces 31 7 23% +1.91
Visor 14 2 14% −6.75
None 4 0 0% −4.00
Blinkers 2 0 0% −2.00

SeasonRunsWinsSR£1
2026 10 0 0% −10.00
2025 12 2 17% −4.75
2024 10 1 10% −4.00
2023 10 3 30% +4.75
2022 9 3 33% +3.16

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
12 Oct 26+26d Yarmouth First Furnishings Handicap Stakes Class 5 · 6f · Good To Soft · 13 ran Travelled in the middle of the track towards the back of the pack - urged along 2f out - lacked the speed to get involved and finished 9th 9/13 3 9-1 6477C59A Lewis Edmunds 25/1
16 Sep 26+63d Yarmouth Sea Deer Handicap Stakes Class 4 · 6f · Good To Soft · 12 ran Settled in the pack early - pushed along and made progress over 2f out - unable to threaten leaders inside final furlong - finished 10th beaten 4.5 lengths 10/12 nk 8-13 6574A61A George Wood 5/1
15 Jul 26+25d Yarmouth Bazuka Handicap Stakes Class 6 · 6f · Good To Firm · 6 ran settled behind the pace early - pushed along over 2f out and made ground on the winner 1f out - kept on through the final furlong 2/6 1¼ 10-2 6597B87B Lewis Edmunds 11/4
20 Jun 26+26d Doncaster Download The At The Races App Handicap Class 5 · 6f · Good To Firm · 9 ran Held up in midfield - driven with three furlongs left - lost touch inside final furlong - eventually finished eighth 8/9 3¼ 9-9 6784A59A Darragh Keenan 13/2
25 May 26+16d Leicester Smooth Radio Ladies' Day Saturday 4th July Book Now Handicap Class 5 · 6f · Good To Firm · 8 ran Handy in the pack early - pressed for effort with 2f left then angled left inside the final furlong - finished strongly for third 3/8 hd 9-7 67114A92A Lewis Edmunds 10/1
09 May 26+18d Leicester Smooth Radio Ladies' Day 4th July Book Now Handicap Class 5 · 6f · Good To Firm · 5 ran Tracked the front-runner early - pushed along approaching the final 2f - lost ground inside the last furlong - finished fifth 5/5 2½ 9-3 6987C63B Oliver Stammers 6/1
21 Apr 26+42d Yarmouth Infobond Technical Manpower Services Handicap Class 5 · 6f · Good To Firm · 6 ran Held mid-pack early - pressed for effort with 2f left - finished strongly to snatch second close home 2/6 3¼ 9-8 6998A79B Lewis Edmunds 13/2
10 Mar 26+27d Southwell (AW) Midnite: Built For 2026 Not 2006 Handicap Class 5 · 6f · Standard · 11 ran Settled in the pack - driven for effort with 2f left and denied a run - dropped away inside the last furlong to finish ninth 9/11 1 9-9 7061A66A Lewis Edmunds 10/1
11 Feb 26+40d Southwell (AW) Midnite, Building The Future Of Betting Handicap Class 5 · 6f · Standard · 11 ran Settled in the pack early - pushed along with 2f left - unable to close entering the last furlong - finished well held in 8th 8/11 1½ 9-6 7285A72A George Wood 14/1
02 Jan 26+15d Chelmsford City (AW) Chelmsford Mile Series Qualifying Handicap Class 5 · 7f · Standard · 9 ran Sat close to the front early - pushed into the advantage inside final two furlongs before giving way entering the last - stayed on at one speed to finish fourth 4/9 hd 9-6 73103A91A Lewis Edmunds 9/1
18 Dec 25+14d Chelmsford City (AW) 'Timeform Sprint Series Final' Handicap Class 2 · 6f · Standard · 14 ran Held up at the back - never involved - well held throughout - finished 12th 12/14 hd 9-1 7397B68A Lewis Edmunds 16/1
04 Dec 25+42d Chelmsford City (AW) 'Timeform Sprint Series Qualifier' Handicap (Div 2) Class 5 · 6f · Standard · 7 ran Settled close to the front - urged forward with 2f left - drifted left in pursuit a furlong out - hit the front close home and drew clear to score 1/7 9-9 7092A93A Lewis Edmunds 11/4F
23 Oct 25+20d Southwell (AW) Make The Move To Midnite Handicap Class 4 · 6f · Standard · 12 ran Sat close to leader early - pressed for effort and lost place inside final 2f while drifting right - held on with nothing more finishing 7th beaten 2 lengths 7/12 nk 9-3 71100A78A Hollie Doyle 10/1
03 Oct 25+16d Southwell (AW) Sky Sports Racing Sky 415 Handicap Class 5 · 6f · Standard · 13 ran Settled in the pack early - pushed for a run over a furlong out - stayed on at one speed to the line - finished fifth beaten 2½ lengths 5/13 ½ 9-9 7280B88A Harrison Shaw 14/1
17 Sep 25+40d Yarmouth Sea Deer Handicap Class 4 · 6f · Soft · 8 ran Sat close to the pace early - urged forward with two furlongs left - weakened steadily to finish fifth 5/8 ½ 9-5 7394A77A Lewis Edmunds 10/3
08 Aug 25+21d Newmarket Maritime Cargo Services Outperforming The Opposition Handicap Class 4 · 6f · Good To Firm · 14 ran Midfield on the far flank - urged along 2f out and closed on the front rank - stayed on inside the final furlong but lacked the speed to get to them - 4th 4/14 nk 9-7 73111C92A Lewis Edmunds 9/1
18 Jul 25+21d Haydock Lancashire DAF Handicap (Div 1) Class 5 · 6f · Good · 9 ran Settled midpack early - found space and improved a furlong out then drifted left into third late - unable to trouble the top two 3/9 2 9-12 73103A84A Silvestre De Sousa 10/3
27 Jun 25+29d Yarmouth QuinnBet Best Odds Guaranteed Handicap Class 5 · 6f · Good · 5 ran Settled towards the back - pushed along with 2f left - stayed on late but denied second near the line 3/5 hd 10-2 7399C85B Lewis Edmunds 11/8
29 May 25+15d Yarmouth Infobond Technical Mainpower Services Handicap Class 4 · 6f · Good To Soft · 7 ran Handy throughout - nudged along and drifted left a furlong out before hitting the front inside the final 110yds - won in a photo 1/7 9-2 7185A81A George Wood 5/2F
14 May 25+47d Yarmouth everytip.com Betting Tips Handicap Class 4 · 7f · Good To Firm · 8 ran Tracked the leading group - pushed along with a furlong left and kept responding - unable to close on the top two through the finish 3/8 2 9-5 72114B85A Hollie Doyle 9/2
28 Mar 25+28d Southwell (AW) Gamble Responsibly At BetUK Handicap Class 5 · 6f · Standard · 8 ran Raced wide behind the front group early - driven up but lost ground by halfway - dropped away entering the final bend and beaten well home 6/8 3¼ 9-8 7480A69A Lewis Edmunds 5/1
28 Feb 25+127d Southwell (AW) Extra Winnings With BetUK Acca Club Handicap Class 4 · 6f · Standard · 9 ran Handy in the pack - roused with two furlongs left - kept on at a steady clip through the last 4/9 hd 9-6 7599A81A Lewis Edmunds 9/1
24 Oct 24+12d Southwell (AW) Free Bets With BetUK Bet Club Handicap Class 4 · 6f · Standard · 12 ran Settled midfield early - asked for effort with 4f remaining - improved position and drifted left approaching final furlong - stayed on to finish fourth without reaching the front pace 4/12 ¾ 9-5 7592A88A Lewis Edmunds 8/1
12 Oct 24+24d Chelmsford City (AW) Betfair Exchange Beacons Handicap (Div 1) Class 4 · 6f · Standard · 8 ran Held up towards rear early - unable to challenge through the race - finished 6th 6/8 ¾ 9-4 76102A77A Richard Kingscote 7/4F
18 Sep 24+51d Yarmouth Sea Deer Handicap Class 4 · 6f · Good To Firm · 12 ran Settled with the pack early - urged forward and made ground a furlong out finishing well - just failed to get to the winner in third 3/12 hd 9-9 76103A95A Lewis Edmunds 11/2
29 Jul 24+16d Southwell (AW) Starsports.Bet Handicap Class 4 · 7f · Standard To Slow · 12 ran 10/12 7½ 9-8 7766C65C Harrison Shaw 8/1
13 Jul 24+28d York John Smith's Sprint Handicap Class 4 · 6f · Good To Soft · 18 ran 7/18 1½ 9-7 7871C91A Harrison Shaw 4/1F
15 Jun 24+35d York Fordy Marshall Land And Property Consultants Handicap Class 4 · 6f · Good To Soft · 20 ran 2/20 1 9-8 7782C107A Harrison Shaw 8/1
11 May 24+58d Ascot Peroni Nastro Azzurro 0.0% Blue Ribbon Handicap Class 4 · 6f · Good · 26 ran 4/26 nk 9-6 77106C104A Silvestre De Sousa 12/1
14 Mar 24+30d Southwell (AW) BetUK. Home Of The Acca Handicap Class 5 · 6f · Standard · 10 ran 1/10 9-8 74109A102A Lewis Edmunds 5/1
13 Feb 24+21d Newcastle (AW) Find More Big Deals At BetUK Handicap Class 4 · 6f · Standard · 12 ran 5/12 ½ 9-4 75103A84A Lewis Edmunds 15/2
23 Jan 24+25d Southwell (AW) Find More Big Deals At BetUK Handicap (Div 2) Class 4 · 6f · Standard · 8 ran 3/8 1¼ 9-7 7691A85A Lewis Edmunds 11/4
29 Dec 23+16d Southwell (AW) Build Your Acca With BetUK Handicap Class 5 · 6f · Standard · 11 ran 5/11 ½ 9-11 7792A80A Lewis Edmunds 7/2J
13 Dec 23+37d Kempton (AW) Alexander Bienz Kindred Spirit Handicap Class 4 · 7f · Standard To Slow · 11 ran 5/11 nk 9-7 7798A82A Lewis Edmunds 3/1F
06 Nov 23+26d Kempton (AW) Join Racing TV Now Handicap Class 5 · 7f · Standard To Slow · 12 ran 1/12 9-11 7496A91A Lewis Edmunds 11/4F
11 Oct 23+21d Kempton (AW) Try Unibet's Improved Bet Builder Handicap Class 5 · 6f · Standard To Slow · 11 ran 3/11 ½ 9-7 7492A86A Oliver Stammers 4/1
20 Sep 23+103d Yarmouth Sea Deer Handicap Class 4 · 6f · Good · 11 ran 2/11 ¾ 9-10 7494A89A Lewis Edmunds 6/1
09 Jun 23+16d Haydock GPW Recruitment Internal Recruiter Handicap Class 5 · 6f · Good To Firm · 7 ran 5/7 1 9-9 75115B81A Lewis Edmunds 7/2
24 May 23+45d Yarmouth QuinnBet Best Odds Guaranteed Handicap Class 5 · 7f · Good To Firm · 9 ran 3/9 ¾ 9-9 75110A91A Lewis Edmunds 8/1
09 Apr 23+32d Southwell (AW) Join Southwell Golf Club Handicap Class 5 · 6f · Standard · 8 ran 1/8 9-11 7284A89A Lewis Edmunds 3/1
08 Mar 23+13d Kempton (AW) Unibet Proudly Supporting Women In Racing Handicap Class 5 · 6f · Standard To Slow · 10 ran 1/10 9-9 70102B89A Lewis Edmunds 6/1
23 Feb 23+126d Newcastle (AW) Betuk Over 40,000 Live Streamed Races Handicap Class 5 · 6f · Standard · 10 ran 7/10 nk 9-10 7190A78A Lewis Edmunds 6/1
20 Oct 22+36d Southwell (AW) Huge Daily Boosts Only At BetUK Handicap (Div 1) Class 5 · 6f · Standard · 12 ran 6/12 shd 9-8 7274A75A Lewis Edmunds 3/1F
14 Sep 22+12d Yarmouth Sea Deer Handicap Class 4 · 6f · Good · 7 ran 5/7 1¾ 9-4 73108A78A Lewis Edmunds 6/1
02 Sep 22+19d Kempton (AW) eventmasters.co.uk Handicap Class 5 · 6f · Standard To Slow · 11 ran 1/11 9-10 7194A87A Lewis Edmunds 11/4F
14 Aug 22+16d Southwell (AW) Porsche Centre Nottingham Harnessing The Horsepower Handicap Class 6 · 6f · Standard · 6 ran 1/6 9-9 6564A88B Lewis Edmunds 10/11F
29 Jul 22+59d Southwell (AW) Sky Sports Racing 415 Handicap Class 6 · 6f · Standard To Slow · 11 ran 1/11 9-4 6085A85A Lewis Edmunds 11/2
31 May 22+39d Thirsk constant-services.com Handicap Class 6 · 6f · Good · 12 ran 2/12 ¾ 9-4 60109A73A Lewis Edmunds 11/2
22 Apr 22+26d Doncaster Download The At The Races App Novice Stakes (GBB Race) Class 5 · 6f · Good To Firm · 11 ran 5/11 ½ 9-1 —72A60A Lewis Edmunds 50/1
27 Mar 22+17d Doncaster SBK Novice Stakes (GBB Race) (Div 2) Class 5 · 7f · Good · 10 ran 7/10 2 9-5 —54A56A Lewis Edmunds 40/1
10 Mar 22 Newcastle (AW) Betway Novice Stakes (GBB Race) Class 5 · 6f · Standard To Slow · 11 ran 6/11 ½ 9-0 —68B69A Lewis Edmunds 14/1

Quick answers

How many races has Dark Side Thunder (GB) won?
Dark Side Thunder (GB) won 9 of 51 archived starts between 2022 and 2026, a strike rate of 17.6%. Placed 22 times in total (43.1% of starts).
Who trains Dark Side Thunder (GB)?
Dark Side Thunder (GB) is trained by Jessica Macey, who saddled the horse on its most recent run on 12 October 2026.
Who is Dark Side Thunder (GB)'s sire?
Dark Side Thunder (GB) is by Night Of Thunder (IRE) out of Dark Side Princess (GB), whose sire is Strategic Prince.
What going does Dark Side Thunder (GB) prefer?
Dark Side Thunder (GB) has the best record on standard (aw) going: 8 wins from 27 starts (29.6%). Only going bands with at least three archived starts are read, so this is a direction rather than a settled preference.
What is Dark Side Thunder (GB)'s official rating?
The most recent official rating on record is 64, from the run on 12 October 2026. The highest on record is 78.
What is Dark Side Thunder (GB)'s sire's record?
Night Of Thunder (IRE)'s progeny in our archive have won 16.3% of 5,072 runs since Jan 2008 (562 horses), Flat and jumps together. Weakest over 1m5f – 2m (all codes): 7% from 157.
Who are Dark Side Thunder (GB)'s siblings?
Out of Dark Side Princess (GB), Dark Side Thunder (GB) has 4 other produce in our archive, 2 of them winners. Most wins: Dark Side Prince (GB) (11). Highest grade won: Class 4 (Thunder Star (GB)). The wins came over 5f. As at Oct 2026.

Record shown from March 2022. 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.