Horse profile
Mercurial (IRE)
46 runs · 21 courses · from Apr 2021
As at 26 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
2 wins · Curragh & Chester
Last run 12 Oct 2026 · 3rd of 14
Last raced off OR 69
KTB Profile
Mercurial is a gelding with two wins from 46 starts, both on turf. He won a Class 2 maiden at Chester over under 6f on good to soft in May 2021 and a handicap at Curragh over 6f – 7f on heavy in Apr 2024. He has one win from eight runs at Curragh and one from five at Chester. Aged 7 at his last run in Oct 2026, he finished third of 14 in the Guinness Handicap at Roscommon, having raced off an official rating of 69.
Based on 46 archived runs · run-style from 19 commented runs since Sep 2024 · updated 26 Oct 2026
KTB at a glance
All wins on turf
OR ↓ 17lb off peak
- 2–46Wins / Runs
- 4.3%Strike rate
- 19 (41.3%)Placed
- −28.50£1 level staken=46 at SP
- 0.47Fair A/E n=46 · 0.38 incl. margin
- 86Highest OR
- 45dAvg 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 rating69↓ 17lb off peak
69
68–86
KTB Speed and Rating
KTB Speed
Best recent Speed 97
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 26 Oct 2025 |
|---|---|---|---|---|
| Soft | 16 | 105C | 85.5 | 3 runs · 105 / 93 |
| Heavy | 11 | 120C | 82 | 1 run · — |
| Good | 9 | 106A | 82 | 1 run · — |
| Standard (AW) | 5 | 90A | 82 | — |
| Good to Soft | 4 | 97C | 76.5 | 2 runs · 97 / 93.5 |
| Good to Firm | 1 | — | — | — |
| Distance | Runs | Best | Median | Since 26 Oct 2025 |
|---|---|---|---|---|
| 6f – 7f | 35 | 120C | 84 | 7 runs · 105 / 90 |
| Under 6f | 6 | 87C | 71.5 | — |
| 1m – 1m1f | 5 | 93A | 87 | — |
KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 46 figures from 46 runs · as at 20 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 19 analysed runs since Sep 2024
- Prominent 9 (47%) · 0 wins
- Mid-division 5 (26%) · 0 wins
- Held up 3 (16%) · 0 wins
- Led 2 (11%) · 0 wins
Pedigree intelligence
Sire
Progeny in our archive have won 8.9% of 1,376 runs since Jan 2008 (104 horses).
Strongest on good to firm going: 15% from 200.
| Going | Runs | Wins | SR | vs sire | This horse |
|---|---|---|---|---|---|
| Firm | 1 | 0 | 0% | −8.9 | — |
| Good to Firm | 200 | 30 | 15% | +6.1 | 0 from 1 |
| Good | 329 | 29 | 8.8% | −0.1 | 0 from 9 |
| Good to Soft | 115 | 10 | 8.7% | −0.2 | 1 from 4 |
| Soft | 213 | 15 | 7% | −1.9 | 0 from 16 |
| Heavy | 72 | 5 | 6.9% | −2 | 1 from 11 |
| Standard (AW) | 446 | 33 | 7.4% | −1.5 | 0 from 5 |
| Distance (all codes) | Runs | Wins | SR | vs sire | This horse |
|---|---|---|---|---|---|
| Under 6f | 341 | 38 | 11.1% | +2.2 | 1 from 6 |
| 6f – 7f | 757 | 64 | 8.5% | −0.4 | 1 from 35 |
| 1m – 1m1f | 164 | 12 | 7.3% | −1.6 | 0 from 5 |
| 1m2f – 1m4f | 53 | 3 | 5.7% | −3.2 | — |
| 1m5f – 2m | 41 | 5 | 12.2% | +3.3 | — |
| 2m1f – 2m4f | 19 | 0 | 0% | −8.9 | — |
| 2m5f – 3m | 1 | 0 | 0% | −8.9 | — |
Flat and jumps together (all codes) · since Jan 2008 · as at 25 Oct 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast
Dam
3 siblings in the archive, 1 winner — best of them Songhai (IRE) (1 win).
The wins came over 6f.
| Produce | Runs | Wins | Win trips | Best grade |
|---|---|---|---|---|
| Songhai (IRE) | 10 | 1 | 6f | — |
| Maaleezmagic (IRE) | 1 | 0 | — | — |
| Yorkshire Dream (IRE) | 6 | 0 | — | — |
Record by conditions
| Going | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| Soft | 16 | 0 | 0% | −16.00 |
| Heavy | 11 | 1 | 9% | −1.00 |
| Good | 9 | 0 | 0% | −9.00 |
| Standard (AW) | 5 | 0 | 0% | −5.00 |
| Good to Soft | 4 | 1 | 25% | +3.50 |
| Good to Firm | 1 | 0 | 0% | −1.00 |
| Class | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| Class 4 | 5 | 0 | 0% | −5.00 |
| Class 2 | 4 | 1 | 25% | +3.50 |
| Class 3 | 2 | 0 | 0% | −2.00 |
| Class 5 | 1 | 0 | 0% | −1.00 |
| Course | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| Curragh | 8 | 1 | 13% | +2.00 |
| Listowel | 5 | 0 | 0% | −5.00 |
| Chester | 5 | 1 | 20% | +2.50 |
| Roscommon (IRE) | 3 | 0 | 0% | −3.00 |
| Roscommon | 3 | 0 | 0% | −3.00 |
| Dundalk (AW) | 3 | 0 | 0% | −3.00 |
| Limerick | 2 | 0 | 0% | −2.00 |
| Naas | 2 | 0 | 0% | −2.00 |
| Galway | 2 | 0 | 0% | −2.00 |
| Wolverhampton (AW) | 2 | 0 | 0% | −2.00 |
| Listowel (IRE) | 1 | 0 | 0% | −1.00 |
| Haydock | 1 | 0 | 0% | −1.00 |
| Bellewstown | 1 | 0 | 0% | −1.00 |
| Navan | 1 | 0 | 0% | −1.00 |
| Killarney | 1 | 0 | 0% | −1.00 |
| Tipperary | 1 | 0 | 0% | −1.00 |
| Cork | 1 | 0 | 0% | −1.00 |
| Doncaster | 1 | 0 | 0% | −1.00 |
| York | 1 | 0 | 0% | −1.00 |
| Beverley | 1 | 0 | 0% | −1.00 |
| Bath | 1 | 0 | 0% | −1.00 |
| Distance | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| 6f – 7f | 35 | 1 | 3% | −25.00 |
| Under 6f | 6 | 1 | 17% | +1.50 |
| 1m – 1m1f | 5 | 0 | 0% | −5.00 |
| Jockey | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| Sean D Bowen | 18 | 0 | 0% | −18.00 |
| Seamie Heffernan | 9 | 0 | 0% | −9.00 |
| Hayley Turner | 5 | 1 | 20% | +2.50 |
| Darragh O'Sullivan | 3 | 0 | 0% | −3.00 |
| Alan Casey | 3 | 0 | 0% | −3.00 |
| Pierre-Louis Jamin | 2 | 0 | 0% | −2.00 |
| Jimmy Dalton | 1 | 0 | 0% | −1.00 |
| Robert Whearty | 1 | 1 | 100% | +9.00 |
| Chris Hayes | 1 | 0 | 0% | −1.00 |
| Rachael Blackmore | 1 | 0 | 0% | −1.00 |
| Jane Elliott | 1 | 0 | 0% | −1.00 |
| Richard Kingscote | 1 | 0 | 0% | −1.00 |
| Headgear | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| None | 24 | 1 | 4% | −16.50 |
| Cheekpieces | 21 | 1 | 5% | −11.00 |
| Blinkers | 1 | 0 | 0% | −1.00 |
| Season | Runs | Wins | SR | £1 |
|---|---|---|---|---|
| 2026 | 6 | 0 | 0% | −6.00 |
| 2025 | 7 | 0 | 0% | −7.00 |
| 2024 | 8 | 1 | 13% | +2.00 |
| 2023 | 8 | 0 | 0% | −8.00 |
| 2022 | 8 | 0 | 0% | −8.00 |
| 2021 | 9 | 1 | 11% | −1.50 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026 · 6 runs | ||||||||||
| 12 Oct 26+20d | Roscommon (IRE) | Guinness Handicap Prominent in third - urged along over 2f out and made no inroads 1f out - plodded on to finish third | 3/14 | 3 | 9-0 | 69 | 105C | 88A | Jimmy Dalton | 5/1 |
| 22 Sep 26+22d | Listowel (IRE) | WTW Willis Towers Watson Handicap Sat close to the front group early - 5th at halfway - asked for effort over 2f out but couldn't quicken in 6th - stayed on same gear to the finish | 6/11 | ½ | 9-6 | 69 | 84A | 80A | Seamie Heffernan | 9/1 |
| 31 Aug 26+13d | Roscommon (IRE) | Lidan Handicap Took the lead - pressed and surrendered the advantage over 1f out - plugged on without finding more to finish 3rd | 3/12 | nk | 9-1 | 70 | 93A | 86A | Seamie Heffernan | 11/1 |
| 18 Aug 26+79d | Roscommon (IRE) | WTW Willis Handicap Went straight to the front - overtaken before the 1f marker - urged into 4th spot approaching 2f out - squeezed for space inside the final furlong then found nothing and dropped away near the finish | 8/14 | nk | 8-11 | 70 | 90C | 74A | Darragh O'Sullivan | 14/1 |
| 31 May 26+13d | Listowel | Croom House Stud Handicap Settled just off the front pair in 3rd - pushed along and asked for effort 1 1/2f out - still in with a shout 1f out - stayed on well to snatch second late | 2/13 | 2¼ | 9-4 | 70 | 85C | 92A | Seamie Heffernan | 8/1 |
| 18 May 26+197d | Roscommon | Knockcroghery Handicap Settled just off the pace - pushed along in 4th with 2f left - stayed on in same position to finish 4th | 4/15 | ½ | 9-9 | 72 | 97C | 90A | Darragh O'Sullivan | 17/2 |
| 2025 · 7 runs | ||||||||||
| 02 Nov 25+12d | Curragh | Final Furlong Podcast With 1xBet.ie Handicap Held a midfield berth early - pushed along with 3f remaining and made ground into 7th approaching the final furlong - unable to find more inside the closing stages - finished 9th plugging on at one speed | 9/20 | ½ | 9-7 | 73 | 72C | 87A | Seamie Heffernan | 15/2 |
| 21 Oct 25+28d | Curragh | 1xbet.ie Safer Gambling Handicap Sat behind the pace on the far flank - pushed along in 3rd at halfway - into 2nd with a shout a furlong out - unable to overhaul the winner close home - finished 2nd | 2/17 | 2¾ | 9-5 | 70 | 113C | 102A | Seamie Heffernan | 12/1 |
| 23 Sep 25+88d | Listowel | Kelleher Feeds & Agri Suppliers Ballymullen, Tralee Handicap Settled in the pack - pushed along with 2 1/2f left then found room approaching final furlong - held on without gaining further inside the last to finish 4th | 4/14 | nk | 9-4 | 70 | 82C | 84A | Seamie Heffernan | 12/1 |
| 27 Jun 25+26d | Curragh | JJ Mahon & Sons Handicap Sat close to the front group early - third with 3f left - pushed along but couldn't find more inside the final 2f - drifted back through the pack to finish eighth staying on at one speed | 8/15 | hd | 8-12 | 74 | 96C | 78A | Seamie Heffernan | 14/1 |
| 01 Jun 25+37d | Listowel | Croom House Stud Handicap Held midfield early - moved closer to the front group after two furlongs - pushed along with two to run but couldn't get on terms - finished well held in 12th | 12/13 | 3¼ | 9-4 | 77 | 47C | 58A | Alan Casey | 18/1 |
| 25 Apr 25+33d | Limerick | Great National South Court Hotel Handicap Settled towards the back of the pack early - moved into contention approaching halfway to sit sixth - dropped back and driven along with two furlongs left - unable to find more late on finishing well beaten | 10/16 | nk | 8-10 | 82 | 60C | 65A | Alan Casey | 28/1 |
| 23 Mar 25+140d | Naas | DAR Golf Handicap Settled midpack early - urged into contention with over 2f left but couldn't respond - flat approaching the final furlong - held on for 12th | 12/15 | 2¾ | 8-11 | 83 | 42C | 54A | Alan Casey | 14/1 |
| 2024 · 8 runs | ||||||||||
| 03 Nov 24+16d | Curragh | businessplus.ie Handicap Handy early - into 2nd by halfway - went in front just over 2f from home - pushed along and overtaken with a furlong left - unable to close again in 3rd - stayed on same speed to finish 3rd | 3/26 | 2¼ | 9-9 | 83 | 83C | 103A | Sean D Bowen | 12/1 |
| 18 Oct 24+4d | Haydock | Watch On Racing TV Handicap Settled just behind the pace - roused with over a furlong left - unable to make further ground - finished fifth | 5/8 | ½ | 9-0 | 80 | 97B | 72A | Sean D Bowen | 15/8F |
| 14 Oct 24+30d | Roscommon | www.roscommonracecourse.ie Handicap (50-80) Sat just behind the front group early - 4th at halfway - crept forward smoothly to move into 3rd with 2f left - shaken up to hit the front a furlong out - battled on but caught in the final strides to finish 2nd | 2/12 | nk | 9-9 | 80 | 90A | 98A | Darragh O'Sullivan | 4/1 |
| 14 Sep 24+1d | Chester | Wilson Family Handicap Dropped towards midfield early travelling wide - shaken up but found little over 2f out - stayed on same pace to finish fifth | 5/9 | hd | 9-6 | 80 | 86A | 78A | Sean D Bowen | 5/1 |
| 13 Sep 24+11d | Chester | Chester Handicap Settled towards the back - urged forward with 2f left - stayed on in closing stages to finish 5th | 5/11 | 1½ | 9-0 | 74 | 82A | 77A | Sean D Bowen | 4/1 |
| 02 Sep 24+135d | Roscommon | RoscommonRacecourse.ie Handicap Held up towards the back - still down the field at halfway - made progress under pressure with 2f left - up into second a furlong out - battled to the line but couldn't reel in winner | 2/12 | ½ | 9-2 | 74 | 95A | 104A | Seamie Heffernan | 9/1 |
| 20 Apr 24+33d | Curragh | Tote Never Beaten By SP Handicap | 1/21 | 8-7 | 69 | 120C | 98A | Robert Whearty | 9/1 | |
| 18 Mar 24+139d | Curragh | Cavalor Equine Nutrition Handicap (47-70) | 9/20 | 2½ | 9-11 | 70 | 48C | 76A | Sean D Bowen | 5/1 |
| 2023 · 8 runs | ||||||||||
| 31 Oct 23+34d | Curragh | Download The New Tote App Handicap | 2/19 | 1 | 8-11 | 68 | 117C | 97A | Sean D Bowen | 16/1 |
| 27 Sep 23+8d | Bellewstown | Barney Curley Charity Cup Handicap (47-75) | 6/9 | ½ | 9-10 | 69 | 75B | 71A | Chris Hayes | 15/2 |
| 19 Sep 23+7d | Listowel | Kelleher Feeds & Agri Suppliers Ballymullen, Tralee Handicap (50-80) | 2/13 | nse | 8-11 | 68 | 80C | 86A | Sean D Bowen | 9/1 |
| 12 Sep 23+31d | Galway | Galway Handicap (47-70) | 2/9 | 5 | 9-7 | 68 | 91A | 84A | Sean D Bowen | 10/3F |
| 12 Aug 23+11d | Curragh | QuinnBet Handicap | 4/19 | ½ | 8-10 | 69 | 81C | 82A | Sean D Bowen | 20/1 |
| 01 Aug 23+39d | Galway | Caulfield Industrial Handicap (50-70) | 10/18 | nk | 9-9 | 70 | 87C | 64A | Sean D Bowen | 14/1 |
| 23 Jun 23+41d | Limerick | Follow Limerick Races On Instagram Rated Race | 6/7 | 1 | 9-4 | 73 | 68A | 72A | Rachael Blackmore | 5/1 |
| 13 May 23+304d | Navan | Bellinter Handicap | 7/16 | shd | 8-8 | 77 | 87C | 78A | Sean D Bowen | 28/1 |
| 2022 · 8 runs | ||||||||||
| 13 Jul 22+11d | Killarney | Rose Hotel Rated Race | 8/8 | ½ | 8-5 | 81 | 93A | 52A | Sean D Bowen | 12/1 |
| 02 Jul 22+28d | Naas | Care At Home Services Race | 3/5 | ¾ | 9-3 | 77 | 85C | 73B | Sean D Bowen | 40/1 |
| 04 Jun 22+44d | Listowel | Pat Smullen Handicap (50-85) | 3/10 | 1¼ | 8-13 | 78 | 82A | 73A | Sean D Bowen | 10/1 |
| 21 Apr 22+18d | Tipperary | TipperaryRacecourse.ie Handicap | 6/11 | ½ | 8-0 | 80 | 85A | 68A | Sean D Bowen | 28/1 |
| 03 Apr 22+11d | Cork | Racing Home For Easter Festival 16th - 18th April Handicap | 10/17 | 1¼ | 9-5 | 80 | 69C | 62A | Sean D Bowen | 6/1 |
| 23 Mar 22+19d | Dundalk (AW) | DundalkStadium.com Race | 3/8 | 1¼ | 8-12 | 81 | 88A | 77A | Sean D Bowen | 12/1 |
| 04 Mar 22+16d | Dundalk (AW) | Patton Stakes (Listed) | 7/8 | 2 | 9-5 | 81 | 90A | 63A | Sean D Bowen | 50/1 |
| 16 Feb 22+116d | Dundalk (AW) | Dundalk Winter Series Leading Trainer & Jockey Championship Handicap | 2/6 | 2 | 9-12 | 81 | 82A | 80B | Seamie Heffernan | 7/2 |
| 2021 · 9 runs | ||||||||||
| 23 Oct 21+12d | Doncaster | Virgin Bet Nursery | 2/6 | ¾ | 8-13 | 81 | 72A | 74B | Pierre-Louis Jamin | 10/1 |
| 11 Oct 21+16d | Wolverhampton (AW) | Download The At The Races App Nursery | 5/10 | 1¼ | 9-1 | 82 | 81A | 78A | Pierre-Louis Jamin | 22/1 |
| 25 Sep 21+15d | Chester | Support The Injured Jockeys Fund Nursery | 5/7 | 12 | 8-6 | 83 | 65C | 51C | Hayley Turner | 10/1 |
| 10 Sep 21+23d | Chester | Deepbridge Estate Planning Service Nursery | 3/6 | ¾ | 9-6 | 83 | 106A | 90B | Jane Elliott | 12/1 |
| 18 Aug 21+58d | York | Sky Bet Nursery | 18/20 | shd | 8-9 | 86 | 47C | 54A | Hayley Turner | 50/1 |
| 21 Jun 21+23d | Wolverhampton (AW) | British Stallion Studs EBF Novice Stakes (GBB Race) | 3/10 | 4 | 9-8 | — | 70A | 79A | Richard Kingscote | 8/11F |
| 29 May 21+23d | Beverley | bet365 Continental Two Year Old Trophy Conditions Stakes (GBB Race) | 3/6 | 1¼ | 9-4 | — | 69A | 95B | Hayley Turner | 10/1 |
| 06 May 21+20d | Chester | British Stallion Studs EBF Maiden Stakes (GBB Race) | 1/7 | 9-0 | — | 63A | 79A | Hayley Turner | 13/2 | |
| 16 Apr 21 | Bath | Whitsbury Winners/British EBF Restricted Novice Stakes (GBB Race) | 2/7 | 1¾ | 9-0 | — | 73A | 76A | Hayley Turner | 10/1 |
Quick answers
- How many races has Mercurial won?
- Mercurial (IRE) won 2 of 46 archived starts between 2021 and 2026, a strike rate of 4.3%. Placed 19 times in total (41.3% of starts).
- Who trains Mercurial?
- Mercurial (IRE) is trained by John J Nallen, who saddled the horse on its most recent run on 12 October 2026.
- Who is Mercurial's sire?
- Mercurial (IRE) is by Prince Of Lir (IRE) out of Conjuring (IRE), whose sire is Showcasing.
- What going does Mercurial prefer?
- Mercurial (IRE) has the best record on good to soft 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 Mercurial's official rating?
- The most recent official rating on record is 69, from the run on 12 October 2026. The highest on record is 86.
- What is Mercurial's sire's record?
- Prince Of Lir (IRE)'s progeny in our archive have won 8.9% of 1,376 runs since Jan 2008 (104 horses), Flat and jumps together. Strongest on good to firm going: 15% from 200.
- Who are Mercurial's siblings?
- Out of Conjuring (IRE), Mercurial (IRE) has 3 other produce in our archive, 1 of them a winner. Most wins: Songhai (IRE) (1). The wins came over 6f. As at Oct 2026.