Alsium (IRE)

Dam of Cottam Lane (GB)

Country: IRE
Sire: Invincible Spirit (IRE)

Winners (GB & IRE): 1 of 3 runners (33%)
Wins (GB & IRE): 2 from 36 runs
Progeny prize money (GB & IRE): £22,108 GB
Best progeny OR: 84
Foaled: 2009 · out of Sweet Firebird (IRE)

Progeny

All known progeny


2018	Cottam Lane (GB)	2	Nigel Tinkler	gelding	Twilight Son (GB)	25	2	3	8.0%	84	£16,212	8 Jul 23
2019	Crafty Mistress (GB)	0	Ed Dunlop	filly	Mastercraftsman (IRE)	2	0	0	0.0%	-	£0	30 Oct 21
2020	Asian Queen (GB)	0	Robert Cowell	filly	Twilight Son (GB)	9	0	2	0.0%	57	£5,897	30 Jun 23

Every offspring with a British or Irish run since 1990, oldest first, plus unraced offspring we know of from profiles and forward entries.

Progeny's best wins


15 Aug 21	Cottam Lane (GB)	Pontefract	Sunpak Potatoes Handicap	Class 5	77	£3,240
16 Sep 20	Cottam Lane (GB)	Beverley	National Horseracing College EBF Novice Stakes	Class 5	-	£4,075

Top 20 wins, highest grade first.

Produce by sire


Twilight Son (GB)	2018-2020	2	2	1	0	34	2	5.9%	£22,109	Cottam Lane (GB)
Mastercraftsman (IRE)	2019	1	1	0	0	2	0	0.0%	£0	-

Her known produce grouped by the stallion she was mated with, earliest foal first. Foal years come from age (unraced foals without an age are counted but not dated). GB and IRE records since 1990.

Quick answers

How many winners has Alsium produced?: Alsium (IRE) is the dam of 3 runners in Britain and Ireland since 1990, 1 of them winners, with 2 wins from 36 runs between them. Runs abroad are not included.
Who is the best offspring of Alsium?: On British and Irish black type and ratings, the best offspring of Alsium (IRE) is Cottam Lane (GB), by Twilight Son (GB), with a best official rating of 84; the top win came in the Sunpak Potatoes Handicap at Pontefract on 15 August 2021.
How much prize money have Alsium's offspring won?: The offspring of Alsium (IRE) have earned £22,109 in Britain since 1990.
What is Alsium's pedigree?: Alsium (IRE) is by Invincible Spirit (IRE) out of Sweet Firebird (IRE).
Did Alsium race?: Yes. In Britain and Ireland: 8 runs, 1 win. Runs abroad are not included.
Which stallions has Alsium been mated with?: The known produce of Alsium (IRE) is by 2 different stallions, most often Twilight Son (GB) (2 foals).
Which family does Alsium belong to?: Alsium (IRE) belongs to the Prospector's Fire (USA) female family.

Updated 2026-07-18

Follow Alsium (IRE) in Tracker+

Keep this record close when the next race is declared.

Join RaceWatch

Updated 2026-07-18

Go deeper before the next race.

Open every racecard in full and get your research done before they go to post.

14racecard tabs per race
20+bookmaker prices side by side
Trackeralerts when your horses are declared

30-day free trial

£0today

Start my 30-day free trial

By continuing you agree to our Terms and Intellectual Property and Acceptable Use policy.

£0 today. Card on step 2. £24.99 from day 31.Cancel any time.