How can I get my previous marathon certificate back?

1. Contact the organizer: If your marathon is organized by an organizer or association, you can try to contact the organizer or association and ask if you can reissue or reissue the race certificate.

2. Inquire about official website: Many marathons will publish event information and results rankings in official website. You can try to check your grades and certificate information in official website.

3. Inquire about social media: Search for information about marathons and contestants on social media, and you may find completion certificates or transcripts issued by other contestants, so as to retrieve your own certificates.

4. Consult relevant institutions: If the marathon you participate in is certified by an institution or association, you can try to contact the institution or association to ask if you can reissue or reissue the certificate of completion.