Don't know your bib number? Log into your RunSignUp account: Click on "My Registrations"; then find your River Bank Run registration under "Completed Registrations" then click on "View Registration" for your bib number.
If the photographer had a clear shot at your bib you should be able to find it. If not, it may be in the "Lost and Found" folder. If you have any questions, please contact firstname.lastname@example.org