As at 1 Nov 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
Won at MusselburghBeaten favourite LTOLast run 19 Aug 2026 · 2nd of 8Last raced off OR 64
KTB Profile
Yellow Diamonds is 1 from 12, the win coming at Class 4 level in the British EBF Fillies Novice Stakes at Musselburgh over under 6f on soft ground in Oct 2025. She has five places from her 12 starts. Ridden prominently in four of six analysed runs, the filly finished second of eight in the Class 6 Armstrong Watson Handicap Stakes at Carlisle in Aug 2026 when beaten favourite. She last ran off an official rating of 64, 10lb below her highest ever mark.
Based on 12 archived runs · run-style from 12 commented runs since May 2025 · updated 1 Nov 2026
A/E compares actual wins with what starting prices implied. "Fair" strips the bookmaker margin from the expectation, so favourites and longshots are judged on the same footing — figures near 1.00 mean the market priced this horse about right.
Official rating64↓ 10lb off peak
6464–74
KTB Speed and Rating
KTB Speed
Best recent Speed106the best of the last 3 graded (A or B) runs · Thirsk, 7 Aug 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 12 figures · best 106B · median 84.5
Going
Runs
Best
Median
Since 1 Nov 2025
Good
3
106B
91
2 runs · 106 / 98.5
Standard (AW)
3
104A
85
1 run · —
Soft
2
96C
88.5
1 run · —
Good to Firm
2
105B
94.5
1 run · —
Good to Soft
2
76C
65
2 runs · 76 / 65
Distance
Runs
Best
Median
Since 1 Nov 2025
Under 6f
10
105B
84.5
5 runs · 105 / 91
6f – 7f
2
106B
93.5
2 runs · 106 / 93.5
KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 12 figures from 12 runs · as at 3 Oct 2026 · a record, not a forecast
KTB Rating
Best recent KTB Rating83Athe best of the last 3 rated runs · Thirsk, 7 Aug 2026Official rating 64at the last run, 19 Aug 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 — 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 →
Flat 12 figures · best 87A · median 76
Going
Runs
Best
Median
Since 1 Nov 2025
Good
3
83A
80
2 runs · 83 / 81.5
Standard (AW)
3
87A
81
1 run · —
Soft
2
76A
76
1 run · —
Good to Firm
2
70A
68.5
1 run · —
Good to Soft
2
79A
61
2 runs · 79 / 61
Distance
Runs
Best
Median
Since 1 Nov 2025
Under 6f
10
87A
75.5
5 runs · 81 / 79
6f – 7f
2
83A
79.5
2 runs · 83 / 79.5
KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 12 figures from 12 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 12 analysed runs since May 2025
Prominent6 (50%)· 1 win
Held up4 (33%)· 0 wins
Mid-division1 (8%)· 0 wins
Led1 (8%)· 0 wins
Pedigree intelligence
Sire
Invincible Spirit (IRE)
Progeny in our archive have won 11.9% of 20,853 runs since Jan 2008 (1,574 horses).
Strongest on firm going: 16.1% from 161. Weakest over 1m5f – 2m (all codes): 7.8% from 844.
Going
Runs
Wins
SR
vs sire
This horse
Firm
161
26
16.1%
+4.2
—
Good to Firm
3,582
463
12.9%
+1
0 from 2
Good
4,530
487
10.8%
−1.1
0 from 3
Good to Soft
2,133
254
11.9%
0
0 from 2
Soft
2,768
303
10.9%
−1
1 from 2
Heavy
794
78
9.8%
−2.1
—
Standard (AW)
6,884
867
12.6%
+0.7
0 from 3
Distance (all codes)
Runs
Wins
SR
vs sire
This horse
Under 6f
3,057
399
13.1%
+1.2
1 from 10
6f – 7f
9,846
1,180
12%
+0.1
0 from 2
1m – 1m1f
4,507
543
12%
+0.1
—
1m2f – 1m4f
2,141
249
11.6%
−0.3
—
1m5f – 2m
844
66
7.8%
−4.1
—
2m1f – 2m4f
362
33
9.1%
−2.8
—
2m5f – 3m
89
8
9%
−2.9
—
Over 3m
7
1
14.3%
+2.4
—
Flat and jumps together (all codes) · since Jan 2008 · as at 31 Oct 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast
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.
Armstrong Watson Handicap StakesClass 6 · 6f · Soft · 8 ranSettled towards the back early - drifted left approaching the final furlong and a half - hit the front inside the last furlong - driven out to the line - had no more to give and was caught in the closing strides
Sell Your Business With Anderson Barrowcliff Handicap StakesClass 5 · 5f · Good To Firm · 9 randrifted right and dwelt at the start - settled towards the back - denied room beyond 1f out - soon put to work and losing the pace inside the final furlong - faded towards the finish
JenningsBet In Allerdene HandicapClass 5 · 5f · Standard To Slow · 12 ranSettled just behind the pace early - moved into contention with 2f left - pushed along a furlong out - unable to find more inside final 110yds finishing 4th beaten 2¾ lengths
Dawson Williamson Architects HandicapClass 4 · 5f · Good · 13 ranSluggish start - settled towards the back - improved position and pressed approaching final two furlongs - stayed on inside the last furlong - finished 4th without threatening the front
William Hill Price Boosts Every Day HandicapClass 4 · 5f · Good To Soft · 8 ranHandy early behind the front group - pressed for effort with 2f left - responded into the final furlong - finished on one level through to the line finishing 4th
We Love A Bank Holiday HandicapClass 5 · 5f · Good To Soft · 14 ranRaced free in mid-pack early - pressed for effort with a furlong left - faded quickly thereafter - finished 13th
Free Bets On attheraces.com Maiden Stakes (GBB Race)Class 5 · 5f · Standard To Slow · 8 ranWent straight to the front - pressed from two out - pushed along inside the final furlong and lost the advantage - stayed on to the line
British Stallion Studs EBF Fillies' Novice Stakes (GBB Race)Class 4 · 5f · Good To Firm · 7 ranHandy in the early running - pressed for effort with 2f left - drifted left inside the final furlong - couldn't threaten leaders and edged out of 3rd close home
Yellow Diamonds (IRE) won 1 of 12 archived starts between 2025 and 2026, a strike rate of 8.3%. Placed 5 times in total (41.7% of starts).
Who trains Yellow Diamonds?
Yellow Diamonds (IRE) is trained by Julie Camacho, who saddled the horse on its most recent run on 19 August 2026.
Who is Yellow Diamonds's sire?
Yellow Diamonds (IRE) is by Invincible Spirit (IRE) out of Flaming Princess (IRE), whose sire is Hot Streak.
What is Yellow Diamonds's official rating?
The most recent official rating on record is 64, from the run on 19 August 2026. The highest on record is 74.
What is Yellow Diamonds's sire's record?
Invincible Spirit (IRE)'s progeny in our archive have won 11.9% of 20,853 runs since Jan 2008 (1,574 horses), Flat and jumps together. Strongest on firm going: 16.1% from 161. Weakest over 1m5f – 2m (all codes): 7.8% from 844.
Who are Yellow Diamonds's siblings?
Out of Flaming Princess (IRE), Yellow Diamonds (IRE) has 1 other produce in our archive, 0 of them winners. As at Nov 2026.
Yellow Diamonds (IRE)·1–12·SR 8.3%
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