Unbridled O'Brien (USA) Horse
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About
Unbridled O'Brien is a 3yo dk b/br from United States trained by Ivan Calderon. It is sired by the stallion Beau Liam out of the dam Ultimate Holiday. Unbridled O'Brien has not yet broken its maiden, having failed to win in 9 attempts. In its most recent race at Thistledown on 12 May 2026, it was ridden by Fernando Salazar Becerra and finished 7th behind winner Leavetheninetynine.
Raced At
ThistledownRace Record
| Event Summary | Runner Stats | Rank |
|---|---|---|
| Thistledown 12-May-26 1207m FIRM R6 Race 6 (of $35,800) Barrier 2, Winning Time: 01:12.120, SP: 6.50 bore out bumping hard with the winner at the start, rushed to the front, set the pace past the quarter pole then was used up. 1st Leavetheninetynine ( L R Rivera 115 ) 2nd Little Shance ( B Weatherly 119 ) 1.25L 3rd Secret Caller ( A Chavez 114 ) 1.35L 7th Unbridled O'Brien ( F S Becerra 115 ) 8.60L See full results | F S Becerra 52.2kg 8.60L | 7 (8) |
| Thistledown 22-Apr-26 1106m R2 Race 2 $3,580 (of $35,800) Barrier 1, Winning Time: 01:06.140, SP: 8.50 set a pressured pace along the inside until mid stretch then was. 1st Global Event ( R Bowen 115 ) 2nd Little Shance ( B Weatherly 119 ) 2.25L 3rd Unbridled O'Brien ( F B Salazar 115 ) 3.75L See full results | F B Salazar 52.2kg 3.75L | 3 (7) |
| Mahoning Valley 03-Apr-26 1207m R7 Howard B. Noonan Stakes (Stakes) (of $75,000) Barrier 6, Winning Time: 01:11.820, SP: 34.00 1st Mark My Words ( E Barbaran 120 ) 2nd Miss Elecktra ( A Chavez 115 ) 5.75L 3rd Sun Of War ( L Rivera 120 ) 4.50L 8th Unbridled O'Brien ( F B Salazar 118 ) 17.30L See full results | F B Salazar 53.5kg 17.30L | 8 (9) |
| Mahoning Valley 27-Feb-26 1207m R8 Md $318 (of $31,800) Barrier 9, Winning Time: 01:14.150, SP: 4.00 led the way up the backstretch, saved ground around the turn and tired in the stretch. 1st Maximum Agenda ( S Bermudez 122 ) 2nd Run Bobby Run ( V Fernandez 122 ) 2.75L 3rd Leftitforyou ( B Tapara 122 ) 0.50L 9th Unbridled O'Brien ( L Sosa 122 ) 26.00L See full results | L Sosa 55.3kg 26.00L | 9 (9) |
| Mahoning Valley 02-Feb-26 1106m R8 Md $6,360 (of $31,800) Barrier 7, Winning Time: 01:06.260, SP: 6.50 bumped start, pace around the turn, hard fought battle, nipped. 1st Unbridled O'Brien ( L Sosa 122 ) 2nd Unbridled O'Brien ( L Sosa 122 ) 0.30L 3rd Run Bobby Run ( V Fernandez 122 ) 0.30L See full results | L Sosa 55.3kg 2nd Unbridled O'Brien ( L Sosa 55.3kg 0.30L | 1 (10) |
| Mahoning Valley 10-Dec-25 1210m R9 Md $318 (of $31,800) Barrier 3, Winning Time: 01:14.600, SP: 3.25 1st Leavetheninetynine ( L Rivera 122 ) 2nd Machico Madeira ( E Barbaran 122 ) 5.00L 3rd Mr. Riffle ( J Bracho 122 ) 3.00L 8th Unbridled O'Brien ( L Sosa 122 ) 18.00L See full results | L Sosa 55.3kg 18.00L | 8 (8) |
| Mahoning Valley 25-Nov-25 1210m R2 Md $318 (of $31,800) Barrier 5, Winning Time: 01:14.120, SP: 3.75 broke out and bumped an outer foe, pressed in the three path, took the lead while being roused from the four path into the stretch, but yielded in the final furlong. 1st Tom's Avatar ( R Bowen 122 ) 2nd Wisley ( N Vigil 122 ) 0.30L 3rd Leavetheninetynine ( L Rivera 122 ) 1.50L 6th Unbridled O'Brien ( A Diaz 122 ) 5.25L See full results | A Diaz 55.3kg 5.25L | 6 (9) |
| Mahoning Valley 24-Oct-25 1210m R5 Md $6,360 (of $31,800) Barrier 1, Winning Time: 01:14.310, SP: 4.33 1st Skytree ( R Bowen 122 ) 2nd Unbridled O'Brien ( A Diaz 122 ) 2.00L 3rd Mr. Riffle ( J Bracho 122 ) 3.25L See full results | A Diaz 55.3kg 2.00L | 2 (12) |
| Thistledown 04-Oct-25 1110m R2 Md $2,372 (of $33,900) Barrier 5, Winning Time: 01:07.640, SP: 7.50 dueled on the early lead, shook clear in the stretch and faltered late. 1st Poncho Jac ( F B Salazar 118 ) 2nd Mr. Riffle ( J Bracho 118 ) 0.20L 3rd Lucky For Life ( E Barbaran 118 ) 0.30L 4th Unbridled O'Brien ( A Diaz 118 ) 2.60L See full results | A Diaz 53.5kg 2.60L | 4 (7) |