Circadian Rhythm (GB)
Circadian Rhythm (GB) is 2 from 11, both wins coming at Class 6 level. Hasn't won since Sep 2008. Both wins have come on the all-weather — 0 from 5 on turf. Last raced off a career-high mark of 59.
Progeny in our archive
As a dam, Circadian Rhythm (GB) has 4 produce in the archive, 0 winners.
| Produce | Runs | Wins | Win trips | Best grade |
|---|---|---|---|---|
| The Secret One (GB) | 5 | 0 | — | — |
| Carriage Clock (GB) | 17 | 0 | — | — |
| Evias (GB) | 1 | 0 | — | — |
| Portash (GB) | 1 | 0 | — | — |
- 2–11Wins / Runs
- 18.2%Strike rate
- 4 (36.4%)Placed
- −2.00£1 level staken=11 at SP
- 1.71Fair A/E n=11 · 1.36 incl. margin
- 59Highest OR
- 27dAvg between runs
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
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
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
Progeny in our archive have won 8.3% of 1,688 runs since Jan 2008 (99 horses).
Weakest on soft going: 4.6% from 108.
| Going | Runs | Wins | SR | vs sire | This horse |
|---|---|---|---|---|---|
| Firm | 37 | 4 | 10.8% | +2.5 | — |
| Good to Firm | 390 | 33 | 8.5% | +0.2 | 0 from 1 |
| Good | 355 | 22 | 6.2% | −2.1 | 0 from 1 |
| Good to Soft | 156 | 15 | 9.6% | +1.3 | 0 from 2 |
| Soft | 108 | 5 | 4.6% | −3.7 | 0 from 1 |
| Heavy | 22 | 3 | 13.6% | +5.3 | — |
| Standard (AW) | 620 | 58 | 9.4% | +1.1 | 2 from 6 |
| Distance (all codes) | Runs | Wins | SR | vs sire | This horse |
|---|---|---|---|---|---|
| Under 6f | 340 | 36 | 10.6% | +2.3 | — |
| 6f – 7f | 712 | 54 | 7.6% | −0.7 | 0 from 1 |
| 1m – 1m1f | 302 | 23 | 7.6% | −0.7 | 1 from 5 |
| 1m2f – 1m4f | 223 | 21 | 9.4% | +1.1 | 1 from 5 |
| 1m5f – 2m | 81 | 4 | 4.9% | −3.4 | — |
| 2m1f – 2m4f | 19 | 1 | 5.3% | −3 | — |
| 2m5f – 3m | 8 | 0 | 0% | −8.3 | — |
| Over 3m | 3 | 1 | 33.3% | +25 | — |
Flat and jumps together (all codes) · since Jan 2008 · as at 27 Oct 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast
5 siblings in the archive, 3 winners — best of them Sweet Lilly (GB) (6 wins).
The wins came over 6f–1m2½f; the highest grade won is Listed (Sweet Lilly (GB)).
| Produce | Runs | Wins | Win trips | Best grade |
|---|---|---|---|---|
| Sweet Lilly (GB) | 31 | 6 | 7f–1m2½f | Listed |
| Ofaraby (GB) | 22 | 3 | 1m2f–1m2½f | Class 2 |
| Gold Tobougg (GB) | 6 | 1 | 6f | Class 6 |
| Eddie Boy (GB) | 12 | 0 | — | — |
| Ruffed (GB) | 4 | 0 | — | — |
Record by conditions
| Going | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| Standard (AW) | 6 | 2 | 33% | +3.00 |
| Good to Soft | 2 | 0 | 0% | −2.00 |
| Good | 1 | 0 | 0% | −1.00 |
| Good to Firm | 1 | 0 | 0% | −1.00 |
| Soft | 1 | 0 | 0% | −1.00 |
| Class | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| Class 6 | 8 | 2 | 25% | +1.00 |
| Class 5 | 3 | 0 | 0% | −3.00 |
| Course | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| Chelmsford (AW) | 4 | 1 | 25% | +1.00 |
| Yarmouth | 3 | 0 | 0% | −3.00 |
| Brighton | 1 | 0 | 0% | −1.00 |
| Lingfield (AW) | 1 | 1 | 100% | +3.00 |
| Windsor | 1 | 0 | 0% | −1.00 |
| Kempton (AW) | 1 | 0 | 0% | −1.00 |
| Distance | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| 1m – 1m1f | 5 | 1 | 20% | −1.00 |
| 1m2f – 1m4f | 5 | 1 | 20% | +0.00 |
| 6f – 7f | 1 | 0 | 0% | −1.00 |
| Jockey | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| J-P Guillambert | 4 | 1 | 25% | +1.00 |
| Saleem Golam | 3 | 0 | 0% | −3.00 |
| Jamie Kyne | 1 | 1 | 100% | +3.00 |
| Royston Ffrench | 1 | 0 | 0% | −1.00 |
| Nicky Mackay | 1 | 0 | 0% | −1.00 |
| William Carson | 1 | 0 | 0% | −1.00 |
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
| Date | Course | Race | Pos | Btn | Wgt | OR | KTB | Jockey | SP |
|---|---|---|---|---|---|---|---|---|---|
| 2008 · 11 runs | |||||||||
| 16 Oct 08+21d | Brighton | Bob Daley Memorial Handicap | 10/14 | 7 | 9-3 | 59 | 43C | J-P Guillambert | 10/1 |
| 25 Sep 08+7d | Chelmsford (AW) | Honey Tye Handicap | 4/14 | 1¼ | 9-3 | 59 | 67A | J-P Guillambert | 5/1J |
| 18 Sep 08+14d | Chelmsford (AW) | Little Bentley Handicap | 11/15 | 11 | 8-7 | 59 | 43C | Saleem Golam | 11/2 |
| 04 Sep 08+3d | Chelmsford (AW) | Musco Arena Showlight Handicap | 2/15 | 2½ | 9-2 | 56 | 73A | J-P Guillambert | 5/4F |
| 01 Sep 08+6d | Lingfield (AW) | tagworldwide.com Apprentice Handicap (AW) | 1/9 | 9-1 | 50 | 68A | Jamie Kyne | 3/1F | |
| 26 Aug 08+2d | Chelmsford (AW) | Walton-On-The-Naze Handicap | 1/15 | 8-12 | 50 | 75A | J-P Guillambert | 4/1 | |
| 24 Aug 08+17d | Yarmouth | Great Yarmouth Mercury Handicap | 2/15 | 2¾ | 8-8 | 50 | 66A | Royston Ffrench | 20/1 |
| 07 Aug 08+17d | Yarmouth | FDS - Looking After Your Franchising Needs Handicap | 8/11 | 13 | 8-10 | 54 | 35C | Nicky Mackay | 40/1 |
| 21 Jul 08+14d | Yarmouth | firstbet.com 0800 230 0800 Median Auction Maiden Stakes | 6/7 | 1¼ | 8-12 | 54 | 52C | Saleem Golam | 80/1 |
| 07 Jul 08+168d | Windsor | New Player Bonus williamhillpoker.com Maiden Fillies' Stakes | 8/8 | 5 | 8-10 | 57 | 31C | William Carson | 50/1 |
| 21 Jan 08 | Kempton (AW) | Digibet Median Auction Maiden Stakes | 5/7 | 3½ | 8-12 | 57 | 49B | Saleem Golam | 16/1 |
Quick answers
- How many races has Circadian Rhythm won?
- Circadian Rhythm (GB) won 2 of 11 archived starts in 2008, a strike rate of 18.2%. Placed 4 times in total (36.4% of starts).
- Who trained Circadian Rhythm?
- Circadian Rhythm (GB) was trained by Stuart Williams on the most recent run on record, at Brighton on 16 October 2008.
- Who is Circadian Rhythm's sire?
- Circadian Rhythm (GB) is by Lujain (USA) out of Maristax (GB), whose sire is Reprimand.
- What going does Circadian Rhythm prefer?
- Circadian Rhythm (GB) has the best record on standard (aw) going: 2 wins from 6 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 Circadian Rhythm's official rating?
- The most recent official rating on record is 59, from the run on 16 October 2008. That is also the highest on record.
- What is Circadian Rhythm's sire's record?
- Lujain (USA)'s progeny in our archive have won 8.3% of 1,688 runs since Jan 2008 (99 horses), Flat and jumps together. Weakest on soft going: 4.6% from 108.
- Who are Circadian Rhythm's siblings?
- Out of Maristax (GB), Circadian Rhythm (GB) has 5 other produce in our archive, 3 of them winners. Most wins: Sweet Lilly (GB) (6). Highest grade won: Listed (Sweet Lilly (GB)). The wins came over 6f–1m2½f. As at Oct 2026.
- Has Circadian Rhythm produced winners?
- As a dam, Circadian Rhythm (GB) has 4 produce in our archive, 0 of them winners. As at Oct 2026.