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Horse profile

Magnitude (USA)

4yo colt · Trainer Steven Asmussen · Owner Winchell Thoroughbreds Llc
by Not This Time (USA) out of Rockadelic (USA) (Bernardini)
1 run · 1 course · from Jun 2026
As at 1 Nov 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
Won last time out Won at Churchill Downs (USA) Last run 27 Jun 2026 · 1st of 5
KTB Profile

Magnitude won the Grade 1 Stephen Foster Stakes at Churchill Downs on his only start in Jun 2026. The colt by Not This Time out of Rockadelic scored by finishing 1 of 5 on standard going over 1m to 1m1f. All his wins have come on all-weather at that trip and at Churchill Downs. His last run in Jun 2026 was a win.

Based on 1 archived run · updated 1 Nov 2026

KTB Speed and Rating

KTB Speed

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

KTB Rating

No KTB Rating figures for this horse. The engine scores GB and Irish racing; runs elsewhere, or earlier, have no figure.

KTB Rating v1 · batch 3 Oct 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

Sire
Not This Time (USA)

Progeny in our archive have won 13.2% of 38 runs since Jun 2021 (22 horses).

GoingRunsWinsSRvs sireThis horse
Firm900%−13.2—
Good to Firm7228.6%+15.4—
Good200%−13.2—
Good to Soft300%−13.2—
Soft200%−13.2—
Standard (AW)15320%+6.81 from 1
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f7228.6%+15.4—
6f – 7f1200%−13.2—
1m – 1m1f13323.1%+9.91 from 1
1m2f – 1m4f600%−13.2—

Flat and jumps together (all codes) · since Jun 2021 · as at 1 Nov 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Rockadelic (USA) (Bernardini)

No other produce in our archive. It holds racing in Great Britain, Ireland and France from 2005, so siblings racing elsewhere won’t appear here.

Too few runs for meaningful splits. The full record is below.

Form

DateCourseRace PosBtn Wgt Jockey SP
2026 · 1 run
27 Jun 26 Churchill Downs (USA) Stephen Foster Stakes (Dirt) 1m1f · Muddy · 5 ran 1/5 8-12 Jose L Ortiz 13/5

Quick answers

How many races has Magnitude won?
Magnitude (USA) won 1 of 1 archived start in 2026, a strike rate of 100%. Placed 1 time in total (100% of starts).
Who trains Magnitude?
Magnitude (USA) is trained by Steven Asmussen, who saddled the horse on its most recent run on 27 June 2026.
Who is Magnitude's sire?
Magnitude (USA) is by Not This Time (USA) out of Rockadelic (USA), whose sire is Bernardini.
What is Magnitude's sire's record?
Not This Time (USA)'s progeny in our archive have won 13.2% of 38 runs since Jun 2021 (22 horses), Flat and jumps together.

Record shown from June 2026. Our archive holds racing in Great Britain, Ireland and France from January 2005. Any runs before that, or in other countries, are not in it. In-running comments are available from 2024 onward.