6yo gelding (at last run, Mar 2015)· Last trainer Barry Brennan· Last owner David Gibbons
by Old Vic (GB) out of Quadrennial (IRE) (Un Desperado)
7 runs · 7 courses · from Apr 2014
As at 22 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 9 Mar 2015 — 4,244 days ago. Our archive can't say whether the horse is still in training.
Last run Mar 2015First-time headgear LTOLast raced off OR 80
KTB Profile
Tetralogy (IRE) is yet to win from 7 starts, though has placed once. Best effort: 2nd of 6 at Ffos Las (Apr 2014). Last raced off 80, 10lb below the career-high mark.
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.
KTB Speed and Rating
KTB Speed
No KTB Speed figures for this horse. The engine scores GB and Irish racing from Oct 2016; runs elsewhere, or earlier, have no figure.
KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 0 figures from 0 runs · a record, not a forecast
KTB Rating
Best recent KTB Rating80Cthe best of the last 3 rated runs · Chepstow, 30 Jan 2015Official rating 80at the last run, 9 Mar 2015
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 →
Jumps 4 figures · best 85C · median 79
Going
Runs
Best
Median
Since 22 Oct 2025
Heavy
3
85C
80
—
Soft
1
—
—
—
Distance
Runs
Best
Median
Since 22 Oct 2025
1m5f – 2m
2
80C
78
—
2m1f – 2m4f
2
85C
81.5
—
Of 7 runs looked at, 3 have no figure: did not complete (or a non-runner row) (3).
KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 4 figures from 7 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
Old Vic (GB)
Progeny in our archive have won 11.7% of 6,916 runs since Jan 2008 (630 horses).
Going
Runs
Wins
SR
vs sire
This horse
Firm
30
4
13.3%
+1.6
—
Good to Firm
397
44
11.1%
−0.6
—
Good
1,797
242
13.5%
+1.8
0 from 1
Good to Soft
1,169
115
9.8%
−1.9
0 from 2
Soft
2,053
249
12.1%
+0.4
0 from 1
Heavy
1,447
157
10.9%
−0.8
0 from 3
Standard (AW)
23
0
0%
−11.7
—
Distance (all codes)
Runs
Wins
SR
vs sire
This horse
1m – 1m1f
4
0
0%
−11.7
—
1m2f – 1m4f
24
2
8.3%
−3.4
—
1m5f – 2m
1,499
173
11.5%
−0.2
0 from 2
2m1f – 2m4f
2,249
260
11.6%
−0.1
0 from 5
2m5f – 3m
2,398
284
11.8%
+0.1
—
Over 3m
742
92
12.4%
+0.7
—
Flat and jumps together (all codes) · since Jan 2008 · as at 21 Oct 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast
Dam
Quadrennial (IRE) (Un Desperado)
4 siblings in the archive, 4 winners — best of them Sir Jack Yeats (IRE) (9 wins).
The wins came over 1m7½f–3m; the highest grade won is Class 3 (Sir Jack Yeats (IRE)).
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.
Tetralogy (IRE) has yet to win, from 7 archived starts between 2014 and 2015. Placed 1 time in total (14.3% of starts).
Who trained Tetralogy (IRE)?
Tetralogy (IRE) was trained by Barry Brennan on the most recent run on record, at Stratford on 9 March 2015.
Who is Tetralogy (IRE)'s sire?
Tetralogy (IRE) is by Old Vic (GB) out of Quadrennial (IRE), whose sire is Un Desperado.
What is Tetralogy (IRE)'s official rating?
The most recent official rating on record is 80, from the run on 9 March 2015. The highest on record is 90.
What is Tetralogy (IRE)'s sire's record?
Old Vic (GB)'s progeny in our archive have won 11.7% of 6,916 runs since Jan 2008 (630 horses), Flat and jumps together.
Who are Tetralogy (IRE)'s siblings?
Out of Quadrennial (IRE), Tetralogy (IRE) has 4 other produce in our archive, 4 of them winners. Most wins: Sir Jack Yeats (IRE) (9). Highest grade won: Class 3 (Sir Jack Yeats (IRE)). The wins came over 1m7½f–3m. As at Oct 2026.
Tetralogy (IRE)·0–7·SR 0%
KTB
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