How long does it take to administer ImPACT? ImPACT® takes about 20-25 minutes to administer. Updated on 06/12/2018 Tagged: ImPACT Was this article helpful? Yes No Related Articles Can I enter multiple email addresses at once when distributing remote baseline or post-injury tests through the Customer Center? Can I resend baseline testing codes to test takers who can’t locate the email? Do test codes distributed through the Customer Center expire? Can post-injury testing be completed at home? Can baseline testing be completed at home? How do I use the scores provided in ImPACT Pediatric clinical reports?