Horse profile
Byzantine Empress (GB)
by Washington Dc (IRE) out of Fantacise (GB) (Pivotal)
21 runs · 14 courses · from Apr 2023
As at 27 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 4 Jul 2025 — 480 days ago. Our archive can't say whether the horse is still in training.
Last run Jul 2025 · 5th of 10
Won at Haydock
Last raced off OR 74
KTB Profile
Byzantine Empress won once from 21 starts, the success coming in a Class 5 handicap at Haydock over 6f to 7f on good to firm ground in Aug 2024 off an official rating of 69. She has raced 15 times on turf for that one win and is 0 from 6 on all-weather. The filly, who reached a highest official rating of 77, finished fifth of 10 at Haydock in Jul 2025 when last seen off a mark of 74.
Based on 21 archived runs · run-style from 10 commented runs since Aug 2024 · updated 27 Oct 2026
KTB at a glance
Typically held up
Won on turf, 0 on AW
Win at Class 5
- 1–21Wins / Runs
- 4.8%Strike rate
- 10 (47.6%)Placed
- −16.00£1 level staken=21 at SP
- 0.44Fair A/E n=21 · 0.37 incl. margin
- 77Highest OR
- 41dAvg 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.
Official rating74↓ 3lb off peak
74
65–77
KTB Speed and Rating
KTB Speed
Best recent Speed 99
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
| Going | Runs | Best | Median | Since 27 Oct 2025 |
|---|---|---|---|---|
| Good | 10 | 114A | 74 | — |
| Standard (AW) | 6 | 99A | 82.5 | — |
| Good to Firm | 4 | 99A | 92.5 | — |
| Good to Soft | 1 | — | — | — |
| Distance | Runs | Best | Median | Since 27 Oct 2025 |
|---|---|---|---|---|
| 6f – 7f | 19 | 121B | 89 | — |
| Under 6f | 2 | 64A | 62.5 | — |
KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 21 figures from 21 runs · as at 3 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 10 analysed runs since Aug 2024
- Held up 6 (60%) · 0 wins
- Mid-division 2 (20%) · 0 wins
- Prominent 2 (20%) · 1 win
Pedigree intelligence
Sire
Progeny in our archive have won 10.1% of 853 runs since Jan 2008 (70 horses).
Weakest on good going: 6.8% from 191.
| Going | Runs | Wins | SR | vs sire | This horse |
|---|---|---|---|---|---|
| Good to Firm | 147 | 14 | 9.5% | −0.6 | 1 from 4 |
| Good | 191 | 13 | 6.8% | −3.3 | 0 from 10 |
| Good to Soft | 80 | 9 | 11.3% | +1.2 | 0 from 1 |
| Soft | 74 | 8 | 10.8% | +0.7 | — |
| Heavy | 22 | 2 | 9.1% | −1 | — |
| Standard (AW) | 339 | 40 | 11.8% | +1.7 | 0 from 6 |
| Distance (all codes) | Runs | Wins | SR | vs sire | This horse |
|---|---|---|---|---|---|
| Under 6f | 243 | 27 | 11.1% | +1 | 0 from 2 |
| 6f – 7f | 471 | 45 | 9.6% | −0.5 | 1 from 19 |
| 1m – 1m1f | 103 | 13 | 12.6% | +2.5 | — |
| 1m2f – 1m4f | 32 | 1 | 3.1% | −7 | — |
| 1m5f – 2m | 2 | 0 | 0% | −10.1 | — |
| 2m1f – 2m4f | 2 | 0 | 0% | −10.1 | — |
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
Dam
Fantacise (GB) (Pivotal)
6 siblings in the archive, 4 winners — best of them Glorious Charmer (GB) (7 wins).
The wins came over 5f–7f; the highest grade won is Class 4 (Quayside (GB)).
| Produce | Runs | Wins | Win trips | Best grade |
|---|---|---|---|---|
| Glorious Charmer (GB) | 62 | 7 | 5f–6f | Class 5 |
| Trevie Fountain (GB) | 35 | 4 | 7f | Class 6 |
| Quayside (GB) | 15 | 3 | 5f–7f | Class 4 |
| Desert Haven (GB) | 34 | 2 | 7f | — |
| The Kalonji Man (GB) | 8 | 0 | — | — |
| Lady Of Desire (GB) | 17 | 0 | — | — |
Record by conditions
| Going | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| Good | 10 | 0 | 0% | −10.00 |
| Standard (AW) | 6 | 0 | 0% | −6.00 |
| Good to Firm | 4 | 1 | 25% | +1.00 |
| Good to Soft | 1 | 0 | 0% | −1.00 |
| Class | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| Class 4 | 6 | 0 | 0% | −6.00 |
| Class 5 | 2 | 1 | 50% | +3.00 |
| Class 3 | 2 | 0 | 0% | −2.00 |
| Course | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| Haydock | 3 | 1 | 33% | +2.00 |
| Dundalk (AW) | 3 | 0 | 0% | −3.00 |
| Wolverhampton (AW) | 2 | 0 | 0% | −2.00 |
| Fairyhouse | 2 | 0 | 0% | −2.00 |
| Cork | 2 | 0 | 0% | −2.00 |
| Newbury | 1 | 0 | 0% | −1.00 |
| Musselburgh | 1 | 0 | 0% | −1.00 |
| York | 1 | 0 | 0% | −1.00 |
| Newcastle (AW) | 1 | 0 | 0% | −1.00 |
| Carlisle | 1 | 0 | 0% | −1.00 |
| Limerick | 1 | 0 | 0% | −1.00 |
| Curragh | 1 | 0 | 0% | −1.00 |
| Naas | 1 | 0 | 0% | −1.00 |
| Listowel | 1 | 0 | 0% | −1.00 |
| Distance | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| 6f – 7f | 19 | 1 | 5% | −14.00 |
| Under 6f | 2 | 0 | 0% | −2.00 |
| Jockey | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| Finley Marsh | 4 | 0 | 0% | −4.00 |
| Seamie Heffernan | 4 | 0 | 0% | −4.00 |
| Paul Mulrennan | 2 | 0 | 0% | −2.00 |
| P J McDonald | 2 | 1 | 50% | +3.00 |
| Chris Hayes | 2 | 0 | 0% | −2.00 |
| Mpumelelo Mjoka | 2 | 0 | 0% | −2.00 |
| Hector Crouch | 1 | 0 | 0% | −1.00 |
| Archie Young | 1 | 0 | 0% | −1.00 |
| Mikey Sheehy | 1 | 0 | 0% | −1.00 |
| Scott McCullagh | 1 | 0 | 0% | −1.00 |
| Wayne Lordan | 1 | 0 | 0% | −1.00 |
| Headgear | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| None | 19 | 1 | 5% | −14.00 |
| Cheekpieces | 2 | 0 | 0% | −2.00 |
| Season | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| 2025 | 5 | 0 | 0% | −5.00 |
| 2024 | 9 | 1 | 11% | −4.00 |
| 2023 | 7 | 0 | 0% | −7.00 |
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 | Spd | KTB | Jockey | SP |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 · 5 runs | ||||||||||
| 04 Jul 25+10d | Haydock | G4S Secure Solutions Handicap Settled midpack early - improved to chase the pace three out then met traffic approaching the final two - effort petered out in the last furlong to finish fifth beaten 3.5 lengths | 5/10 | ¾ | 9-5 | 74 | 90B | 81A | Paul Mulrennan | 13/2 |
| 24 Jun 25+17d | Newbury | Grosvenor Sport New Customers Double Odds Handicap Settled at back of field - made progress out wide but found no room - eased across left approaching final furlong - pushed along but couldn't quicken - finished sixth | 6/11 | ¾ | 9-8 | 74 | 99A | 85A | Finley Marsh | 9/1 |
| 07 Jun 25+7d | Musselburgh | Edinburgh Gin Classic Handicap Settled at the back early - nudged into a short-lived advance approaching 2f out then pressed for effort - flattened out in the closing stages to finish fifth beaten 3.75 lengths | 5/9 | 1¾ | 9-8 | 76 | 89A | 89A | Paul Mulrennan | 8/1 |
| 31 May 25+21d | York | William Hill Keep Your Raceday Positive Handicap Held up towards the back of the pack - lost touch under a furlong out - no impression thereafter - finished down the field in 14th | 14/20 | ½ | 9-7 | 76 | 67C | 66A | Hector Crouch | 5/1J |
| 10 May 25+133d | Haydock | Pertemps Handicap Slow to break at the back - eased right and pushed along over 2f out then finding room to close - grabbed 3rd close home | 3/12 | 1 | 9-5 | 76 | 95C | 91A | Finley Marsh | 10/1 |
| 2024 · 9 runs | ||||||||||
| 28 Dec 24+7d | Newcastle (AW) | Best Odds Guaranteed At BetMGM Handicap Tardy start - settled towards the back - made ground in the final furlong - plugged on without threatening | 5/11 | nse | 9-8 | 77 | 91A | 85A | Finley Marsh | 14/1 |
| 21 Dec 24+19d | Wolverhampton (AW) | BetMGM: It's Showtime Fillies' Handicap Up with the front group early - dropped away towards the back 4f out - stayed on wide in the closing stages without the speed to challenge - fifth | 5/7 | ¾ | 8-10 | 77 | 87A | 72A | Finley Marsh | 5/1 |
| 02 Dec 24+70d | Wolverhampton (AW) | Gamble Responsibly At BetMGM Fillies' Handicap (Rider Restricted Race) Settled in the pack - found extra pace inside final furlong and battled to the line - narrowly denied at the end | 3/10 | nk | 8-10 | 77 | 99A | 80A | Archie Young | 5/1 |
| 23 Sep 24+44d | Fairyhouse | Irish Stallion Farms EBF Fillies Handicap Held up towards the back - still 6th at halfway - driven into third with a furlong left - edged into second close home and stayed on well | 2/8 | ¾ | 8-12 | 75 | 114A | 85A | Mikey Sheehy | 9/1 |
| 10 Aug 24+30d | Haydock | Betfred 'Passionate About Sport' Handicap (Div 2) Settled just behind the pace on the rail - shifted wide approaching the final furlong after being denied room - powered through a gap under pressure to hit the front close home - stayed on well to score | 1/10 | 9-8 | 69 | 90A | 88A | P J McDonald | 4/1 | |
| 11 Jul 24+19d | Carlisle | 32West British EBF Fillies' Handicap | 3/9 | hd | 9-1 | 69 | 121B | 79A | P J McDonald | 9/2 |
| 22 Jun 24+17d | Limerick | Regeneron 'Celebrating A Decade In Limerick' Handicap | 2/10 | 1¾ | 9-3 | 65 | 66A | 81A | Chris Hayes | 11/2 |
| 05 Jun 24+15d | Curragh | Sky Bet Request A Bet Handicap | 7/13 | ¾ | 9-5 | 66 | 71C | 72A | Seamie Heffernan | 9/2 |
| 21 May 24+242d | Cork | Blackwater Apprentice Handicap | 3/16 | ½ | 9-7 | 65 | 107C | 80A | Scott McCullagh | 14/1 |
| 2023 · 7 runs | ||||||||||
| 22 Sep 23+26d | Dundalk (AW) | Irish Stallion Farms EBF Median Auction Maiden | 5/14 | hd | 8-9 | 68 | 78B | 71A | Chris Hayes | 8/1 |
| 27 Aug 23+12d | Naas | Irish EBF Auction Series Maiden | 2/11 | 2 | 8-10 | 70 | 80A | 76A | Seamie Heffernan | 11/4 |
| 15 Aug 23+60d | Dundalk (AW) | Irish EBF Auction Series Fillies Maiden | 6/12 | nse | 8-10 | 70 | 75A | 65A | Seamie Heffernan | 13/2 |
| 16 Jun 23+13d | Fairyhouse | Irish EBF Auction Series Maiden | 2/13 | 2¾ | 8-7 | — | 77C | 78A | Mpumelelo Mjoka | 9/1 |
| 03 Jun 23+17d | Listowel | Irish EBF Median Sires Series Maiden | 3/14 | 5½ | 8-6 | — | 52C | 69A | Mpumelelo Mjoka | 16/1 |
| 17 May 23+36d | Cork | Irish Ebf Median Sires Series Maiden | 8/15 | hd | 8-9 | — | 61C | 70A | Wayne Lordan | 14/1 |
| 11 Apr 23 | Dundalk (AW) | Irish Stallion Farms EBF Fillies Maiden | 4/6 | 1¾ | 9-2 | — | 64A | 60B | Seamie Heffernan | 12/1 |
Quick answers
- How many races has Byzantine Empress won?
- Byzantine Empress (GB) won 1 of 21 archived starts between 2023 and 2025, a strike rate of 4.8%. Placed 10 times in total (47.6% of starts).
- Who trained Byzantine Empress?
- Byzantine Empress (GB) was trained by Jedd O'Keeffe on the most recent run on record, at Haydock on 4 July 2025.
- Who is Byzantine Empress's sire?
- Byzantine Empress (GB) is by Washington Dc (IRE) out of Fantacise (GB), whose sire is Pivotal.
- What going does Byzantine Empress prefer?
- Byzantine Empress (GB) has the best record on good to firm going: 1 win from 4 starts (25%). Only going bands with at least three archived starts are read, so this is a direction rather than a settled preference.
- What is Byzantine Empress's official rating?
- The most recent official rating on record is 74, from the run on 4 July 2025. The highest on record is 77.
- What is Byzantine Empress's sire's record?
- Washington Dc (IRE)'s progeny in our archive have won 10.1% of 853 runs since Jan 2008 (70 horses), Flat and jumps together. Weakest on good going: 6.8% from 191.
- Who are Byzantine Empress's siblings?
- Out of Fantacise (GB), Byzantine Empress (GB) has 6 other produce in our archive, 4 of them winners. Most wins: Glorious Charmer (GB) (7). Highest grade won: Class 4 (Quayside (GB)). The wins came over 5f–7f. As at Oct 2026.