Company: BLZRW
Filing Date: 2025-09-09
Form Type: S-1MEF
Source: 0001213900-25-086314
Chunk: 0

Company: Trailblazer Acquisition Corp.
Filing Date: 2025-09-09
Form: S-1MEF
Chunk 0
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<div align='center'>As filed with the Securities and Exchange Commission on September 9, 2025.</div>

Registration No. 333-

<div align='center'>UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM S-1
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933

Trailblazer Acquisition Corp.
(Exact name of registrant as specified in its charter)</div>

| Cayman Islands                  |     |                         6770 |     | 98-1868836            |
| (State or other jurisdiction of 
 incorporation or organization)  |     | -Primary Standard Industrial 
   Classification Code Number |     | -I.R.S. Employer      
 Identification Number |

<div align='center'>152 West 57 thStreet, 27 thFloor
New York, NY 10019
Tel: (212) 621-8777

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

Eric Semler
Chief Executive Officer
152 West 57 thStreet, 27 thFloor
New York, NY 10019
Tel: (212) 621-8777(Name, address, including zip code, and telephone number, including area code, of agent for service)

Copies to:</div>

| Douglas S. Ellenoff                    
 Stuart Neuhauser                       
 Adam Berkaw                            
 Ellenoff Grossman & Schole LLP         
 1345 Avenue of the Americas 11th Floor 
 New York, New York 10105               
 (212) 370-1300                         |     | Simon Raftopoulos      
 Alexandra Low          
 Appleby (Cayman) Ltd.  
 9th Floor              
 Nexus Way, Camana Bay, 
 Grand Cayman           
 KY1-1104               
 (345) 949-4900         |     | Kevin E. Manz, Esq.          
 King & Spalding LLP          
 1185 Avenue of the Americas, 
 34th Floor                   
 New York, New York 10036     
 (212) 556-2100               |

Approximate date of commencement of proposed sale to the public:As soon as practicable after the effective date of this registration statement.

If any of the securities being registered on this
Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933 check
the following box. ☐