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Horse profile

Charles Darwin (IRE)

3yo colt · Trainer A P O'Brien · Owner Mrs J Magnierm Tabord Smithwesterberg
by No Nay Never (USA) out of Muirin (IRE) (Born To Sea)
8 runs · 5 courses · from Apr 2025
As at 25 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
4 wins · Navan, Ascot & Naas Last run 18 Jul 2026 · 10th of 10 Last raced off OR 107
KTB Profile

Charles Darwin won four of eight starts on turf, including the Group 2 Norfolk Stakes at Ascot in Jun 2025 and a Listed race at Navan in Apr 2026. All four wins came at trips from under 6f to 7f on ground ranging from soft to good to firm. The colt finished 10 of 10 at the Curragh in Jul 2026 when last seen, racing off an official rating of 107. By No Nay Never out of a Born To Sea mare, he is trained by A P O'Brien.

Based on 8 archived runs · run-style from 7 commented runs since Apr 2025 · updated 25 Oct 2026
KTB at a glance Typically led

KTB Speed and Rating

KTB Speed

Best recent Speed 96 the best of the last 3 graded (A or B) runs · Naas, 17 May 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 8 figures · best 97C · median 76.5
GoingRunsBestMedianSince 25 Oct 2025
Good to Firm397C752 runs · 75 / 72
Good396A781 run · —
Good to Soft1——1 run · —
Soft1———
DistanceRunsBestMedianSince 25 Oct 2025
Under 6f497C73.51 run · —
6f – 7f496A79.53 runs · 96 / 75

KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 8 figures from 8 runs · as at 3 Oct 2026 · a record, not a forecast

KTB Rating

Best recent KTB Rating 84A the best of the last 3 rated runs · Ascot, 19 Jun 2026 Official rating 107 at the last run, 18 Jul 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 8 figures · best 114A · median 94.5
GoingRunsBestMedianSince 25 Oct 2025
Good to Firm3114A842 runs · 84 / 65.5
Good3103B881 run · —
Good to Soft1——1 run · —
Soft1———
DistanceRunsBestMedianSince 25 Oct 2025
Under 6f4114A95.51 run · —
6f – 7f4102A92.53 runs · 101 / 84

KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 8 figures from 8 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 from 7 analysed runs since Apr 2025

  • Led 5 (71%) · 3 wins
  • Mid-division 1 (14%) · 0 wins
  • Prominent 1 (14%) · 0 wins

Pedigree intelligence

Sire
No Nay Never (USA)

Progeny in our archive have won 12.1% of 6,328 runs since Jan 2008 (707 horses).

Weakest on good to soft going: 9% from 612. Weakest over 1m5f – 2m (all codes): 7.6% from 185.

GoingRunsWinsSRvs sireThis horse
Firm16531.3%+19.2—
Good to Firm92712213.2%+1.11 from 3
Good1,48918112.2%+0.11 from 3
Good to Soft612559%−3.11 from 1
Soft84511013%+0.91 from 1
Heavy2833713.1%+1—
Standard (AW)2,15625511.8%−0.3—
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f91112213.4%+1.32 from 4
6f – 7f3,38643913%+0.92 from 4
1m – 1m1f1,18213111.1%−1—
1m2f – 1m4f582549.3%−2.8—
1m5f – 2m185147.6%−4.5—
2m1f – 2m4f7756.5%−5.6—
2m5f – 3m500%−12.1—

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
Muirin (IRE) (Born To Sea)

4 siblings in the archive, 3 winners — best of them Blackbeard (IRE) (6 wins).

The wins came over 5f–7f; the highest grade won is Group 1 (Blackbeard (IRE)).

ProduceRunsWinsWin tripsBest grade
Blackbeard (IRE)865f–6fGroup 1
Tunbridge Wells (IRE)316f—
Run Away (IRE)617fClass 5
Be In Love (IRE)30——

Record by conditions

GoingRunsWinsSR£1
Good to Firm 3 1 33% −1.38
Good 3 1 33% −1.93
Good to Soft 1 1 100% +0.36
Soft 1 1 100% +0.73

ClassRunsWinsSR£1
Class 1 3 1 33% −1.38

CourseRunsWinsSR£1
Ascot 2 1 50% −0.38
Naas 2 1 50% −0.93
Navan 2 2 100% +1.09
Curragh (IRE) 1 0 0% −1.00
Curragh 1 0 0% −1.00

DistanceRunsWinsSR£1
Under 6f 4 2 50% −1.31
6f – 7f 4 2 50% −0.91

JockeyRunsWinsSR£1
Ryan Moore 7 4 57% −1.22
Wayne Lordan 1 0 0% −1.00

HeadgearRunsWinsSR£1
None 6 4 67% −0.22
Blinkers 2 0 0% −2.00

SeasonRunsWinsSR£1
2026 4 1 25% −2.64
2025 4 3 75% +0.42

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 · 4 runs
18 Jul 26+29d Curragh (IRE) Tulfarris Hotel And Golf Resort Sapphire Stakes (Group 2) Class 1 · 5f · Good To Firm · 10 ran drifted left from the stalls - settled in the pack early - driven into 9th at halfway - under continued pressure and faded over 1f out before being not knocked about inside the final furlong 10/10 8½ 9-5 10769C47C Ryan Moore 12/1
19 Jun 26+33d Ascot Commonwealth Cup (Group 1) Class 1 · 6f · Good To Firm · 22 ran Settled close to the pace on the far flank - pushed along and drifted left 2f out - dropped away inside final furlong 16/22 nk 9-2 11075C84A Wayne Lordan 10/1
17 May 26+22d Naas Goffs Lacken Stakes (Group 3) 6f · Good · 8 ran Went straight to front - overtaken with 2f left then dropped away 1 1/2f out - allowed to finish steadily in rear 8/8 1½ 9-8 11096A71A Ryan Moore EvensF
25 Apr 26+310d Navan Irish Stallion Farms EBF Committed Stakes (Listed) 6f · Good To Yielding · 7 ran Drifted right leaving stalls before setting the pace and drifting to the far rail - driven up and edged clear 2f out - stretched away over 1f out - responded gamely to hold on inside final furlong 1/7 9-10 11071A101A Ryan Moore 4/11F
2025 · 4 runs
19 Jun 25+32d Ascot Norfolk Stakes (Group 2) Class 1 · 5f · Good To Firm · 15 ran Set the pace from the off - given a squeeze and challenged inside the last two furlongs - edged away approaching the final furlong - kept going well to the line 1/15 9-3 —97C114A Ryan Moore 8/13F
18 May 25+22d Naas Coolmore Stud The Antarctic Race 5f · Good · 4 ran Set the pace from the start - challenged approaching 2f out then pushed along and pulled clear inside the final furlong - won going away 1/4 9-8 —78C103B Ryan Moore 1/14F
26 Apr 25+14d Navan Irish Stallion Farms EBF Maiden 6f · Soft · 12 ran Set the pace from the start - driven forward to move away approaching 2f out with a 4-length advantage inside the final furlong - stayed on strongly to the line 1/12 9-7 —84A102A Ryan Moore 8/11F
12 Apr 25 Curragh Irish Stallion Farms European Breeders Fund Race 5f · Good · 7 ran Went straight to the front - dropped to 4th by halfway - into 3rd under pressure inside the final furlong but unable to close in the last 150 yards 4/7 nse 9-5 —66A88A Ryan Moore 4/6F

Quick answers

How many races has Charles Darwin won?
Charles Darwin (IRE) won 4 of 8 archived starts between 2025 and 2026, a strike rate of 50%. Placed 4 times in total (50% of starts).
Who trains Charles Darwin?
Charles Darwin (IRE) is trained by A P O'Brien, who saddled the horse on its most recent run on 18 July 2026.
Who is Charles Darwin's sire?
Charles Darwin (IRE) is by No Nay Never (USA) out of Muirin (IRE), whose sire is Born To Sea.
What going does Charles Darwin prefer?
Charles Darwin (IRE) has the best record on good to firm going: 1 win from 3 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 Charles Darwin's official rating?
The most recent official rating on record is 107, from the run on 18 July 2026. The highest on record is 110.
What is Charles Darwin's sire's record?
No Nay Never (USA)'s progeny in our archive have won 12.1% of 6,328 runs since Jan 2008 (707 horses), Flat and jumps together. Weakest on good to soft going: 9% from 612. Weakest over 1m5f – 2m (all codes): 7.6% from 185.
Who are Charles Darwin's siblings?
Out of Muirin (IRE), Charles Darwin (IRE) has 4 other produce in our archive, 3 of them winners. Most wins: Blackbeard (IRE) (6). Highest grade won: Group 1 (Blackbeard (IRE)). The wins came over 5f–7f. As at Oct 2026.

Record shown from April 2025. 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.