Rosie Mahler (IRE)
Rosie Mahler is a lightly raced mare with two placed efforts from two starts since Nov 2025. By Mahler, whose progeny have won 959 of 8,877 runs since Jan 2008, she is out of a dam who has produced four winners from six runners to race, including Dreal Deal with 10 wins. She finished second of nine, having been held, in a Class 4 mares maiden hurdle at Stratford in Oct 2026 on good to soft. Her other start came at Uttoxeter on heavy.
- 0–2Wins / Runs
- 0%Strike rate
- 2 (100%)Placed
- −2.00£1 level staken=2 at SP
- 348dBetween runs (median)
KTB Speed and Rating
Best recent Speed 129
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 →
| Going | Runs | Best | Median | Since 12 Nov 2025 |
|---|---|---|---|---|
| Good to Soft | 1 | — | — | 1 run · — |
| Heavy | 1 | — | — | 1 run · — |
| Distance | Runs | Best | Median | Since 12 Nov 2025 |
|---|---|---|---|---|
| 2m5f – 3m | 1 | — | — | 1 run · — |
| 2m1f – 2m4f | 1 | — | — | 1 run · — |
KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 2 figures from 2 runs · as at 6 Nov 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.
Pedigree intelligence
Progeny in our archive have won 10.8% of 8,894 runs since Sep 2014 (790 horses).
Strongest on good to firm going: 15.1% from 119.
| Going | Runs | Wins | SR | vs sire | This horse |
|---|---|---|---|---|---|
| Good to Firm | 119 | 18 | 15.1% | +4.3 | — |
| Good | 2,984 | 381 | 12.8% | +2 | — |
| Good to Soft | 1,824 | 181 | 9.9% | −0.9 | 0 from 1 |
| Soft | 2,743 | 259 | 9.4% | −1.4 | — |
| Heavy | 1,214 | 124 | 10.2% | −0.6 | 0 from 1 |
| Standard (AW) | 10 | 1 | 10% | −0.8 | — |
| Distance (all codes) | Runs | Wins | SR | vs sire | This horse |
|---|---|---|---|---|---|
| 1m – 1m1f | 5 | 0 | 0% | −10.8 | — |
| 1m2f – 1m4f | 16 | 0 | 0% | −10.8 | — |
| 1m5f – 2m | 2,052 | 199 | 9.7% | −1.1 | — |
| 2m1f – 2m4f | 3,219 | 327 | 10.2% | −0.6 | 0 from 1 |
| 2m5f – 3m | 2,832 | 343 | 12.1% | +1.3 | 0 from 1 |
| Over 3m | 770 | 95 | 12.3% | +1.5 | — |
Flat and jumps together (all codes) · since Sep 2014 · as at 12 Nov 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast
6 siblings in the archive, 4 winners — best of them Dreal Deal (IRE) (10 wins).
The wins came over 1m2f–2m6f; the highest grade won is Grade 2 (Dreal Deal (IRE)).
| Produce | Runs | Wins | Win trips | Best grade |
|---|---|---|---|---|
| Dreal Deal (IRE) | 60 | 10 | 1m2f–2m6f | Grade 2 |
| Favour And Fortune (IRE) | 17 | 5 | 2m | Grade 2 |
| Time Marches On (IRE) | 27 | 2 | 2m½f–2m1½f | — |
| Getarose (IRE) | 11 | 1 | 2m | Class 5 |
| Sloan Sq (IRE) | 1 | 0 | — | — |
| Dreal Article (IRE) | 1 | 0 | — | — |
Too few runs for meaningful splits. The full record is below.
Form
| Date | Course | Race | Pos | Btn | Wgt | Spd | KTB | Jockey | SP |
|---|---|---|---|---|---|---|---|---|---|
| 2026 · 1 run | |||||||||
| 29 Oct 26+348d | Stratford | 4 X 4 Tyres Mares' Maiden Hurdle Race (GBB Race) Restrained in rear half of the pack on inner - pulled hard early - moved up to 2nd at the fence then eased back - progress after 2 out to lie third before the last - ran on on the run-in - snatched 2nd near the line - never threatened winner | 2/9 | 5½ | 11-4 | 129A | 124A | Paul O'Brien | 15/2 |
| 2025 · 1 run | |||||||||
| 15 Nov 25 | Uttoxeter | Carlsberg Britvic Mares' 'National Hunt' Maiden Hurdle (GBB Race) Settled in the pack - pushed along before two out and closed on the leader approaching the last where bumped - unable to get on terms late and beaten into second | 2/7 | 2 | 11-4 | 74B | 117B | Harry Reed | 11/2 |
Quick answers
- How many races has Rosie Mahler won?
- Rosie Mahler (IRE) has yet to win, from 2 archived starts between 2025 and 2026. Placed 2 times in total (100% of starts).
- Who trains Rosie Mahler?
- Rosie Mahler (IRE) is trained by Harry Derham, who saddled the horse on its most recent run on 29 October 2026.
- Who is Rosie Mahler's sire?
- Rosie Mahler (IRE) is by Mahler (GB) out of Fleur Rose (IRE), whose sire is Flemensfirth (USA).
- What is Rosie Mahler's sire's record?
- Mahler (GB)'s progeny in our archive have won 10.8% of 8,894 runs since Sep 2014 (790 horses), Flat and jumps together. Strongest on good to firm going: 15.1% from 119.
- Who are Rosie Mahler's siblings?
- Out of Fleur Rose (IRE), Rosie Mahler (IRE) has 6 other produce in our archive, 4 of them winners. Most wins: Dreal Deal (IRE) (10). Highest grade won: Grade 2 (Dreal Deal (IRE)). The wins came over 1m2f–2m6f. As at Nov 2026.