v3.26.3
Cover
Sep. 30, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 30, 2026
Entity File Number 001-43277
Entity Registrant Name BOOST RUN INC.
Entity Central Index Key 0002090646
Entity Tax Identification Number 39-4824850
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 400 Skokie Blvd.
Entity Address, Address Line Two Ste. 725
Entity Address, City or Town Northbrook
Entity Address, State or Province IL
Entity Address, Postal Zip Code 60062
City Area Code (847)
Local Phone Number 489-3367
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Class A Common Stock, $0.0001 par value
Trading Symbol BRUN
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false