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 rating75↓ 47lb off peak
7573–122
KTB Speed and Rating
KTB Speed
Best recent Speed102the best of the last 3 graded (A or B) runs · Kempton (AW), 1 Feb 2020
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 6 figures · best 122A · median 102
Going
Runs
Best
Median
Since 21 Oct 2025
Standard (AW)
2
102A
94.5
—
Soft
2
109C
105.5
—
Good to Soft
1
—
—
—
Good
1
—
—
—
Distance
Runs
Best
Median
Since 21 Oct 2025
1m5f – 2m
5
122A
102
—
1m2f – 1m4f
1
—
—
—
Jumps 6 figures · best 123A · median 93.5
Going
Runs
Best
Median
Since 21 Oct 2025
Soft
4
123A
92
—
Good to Soft
2
113B
103
—
Distance
Runs
Best
Median
Since 21 Oct 2025
2m1f – 2m4f
3
94C
90
—
1m5f – 2m
3
123A
113
—
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 Rating (flat)89Athe best of the last 3 rated runs · Goodwood, 14 Oct 2018Official rating 75at the last flat run, 17 Feb 2020
Best recent KTB Rating (jumps)122Bthe best of the last 3 rated runs · Market Rasen, 6 Dec 2018Official rating 122at the last jumps run, 15 Dec 2018
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 9 figures · best 91A · median 73
Going
Runs
Best
Median
Since 21 Oct 2025
Standard (AW)
2
73A
70
—
Soft
2
89A
85.5
—
Good to Soft
2
82A
77.5
—
Good
2
91A
74.5
—
Good to Firm
1
—
—
—
Distance
Runs
Best
Median
Since 21 Oct 2025
1m5f – 2m
6
89A
77.5
—
1m2f – 1m4f
3
91A
60
—
Jumps 9 figures · best 124A · median 117
Going
Runs
Best
Median
Since 21 Oct 2025
Soft
5
122B
113
—
Good to Soft
2
124A
113
—
Heavy
1
—
—
—
Good
1
—
—
—
Distance
Runs
Best
Median
Since 21 Oct 2025
1m5f – 2m
5
124A
122
—
2m1f – 2m4f
4
122B
109
—
KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 18 figures from 18 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.
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.
Jam Session (IRE) won 5 of 19 archived starts between 2015 and 2020, a strike rate of 26.3%. Placed 8 times in total (42.1% of starts).
Who trained Jam Session (IRE)?
Jam Session (IRE) was trained by Ian Williams on the most recent run on record, at Kempton (AW) on 17 February 2020.
Who is Jam Session (IRE)'s sire?
Jam Session (IRE) is by Duke Of Marmalade (IRE) out of Night Dhu (GB), whose sire is Montjeu.
What going does Jam Session (IRE) prefer?
Jam Session (IRE) has the best record on good going: 2 wins from 4 starts (50%). Only going bands with at least three archived starts are read, so this is a direction rather than a settled preference.
What is Jam Session (IRE)'s official rating?
The most recent official rating on record is 75, from the run on 17 February 2020. The highest on record is 122.
What is Jam Session (IRE)'s sire's record?
Duke Of Marmalade (IRE)'s progeny in our archive have won 10.5% of 3,539 runs since Jan 2008 (307 horses), Flat and jumps together.
Who are Jam Session (IRE)'s siblings?
Out of Night Dhu (GB), Jam Session (IRE) has 2 other produce in our archive, 2 of them winners. Most wins: Le Pin (FR) (4). Highest grade won: Class 5 (Caterina De Medici (FR)). The wins came over 1m4f–2m1f. As at Oct 2026.
Jam Session (IRE)·5–19·SR 26.3%
KTB
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