Share this postInside look: The San Francisco Half Marathonswww.thehalfmarathoner.comCopy linkFacebookEmailNoteOtherInside look: The San Francisco Half MarathonsPlus a new app to help you mentally prepare for race dayTerrell JohnsonJul 13, 2018∙ Paid1Share this postInside look: The San Francisco Half Marathonswww.thehalfmarathoner.comCopy linkFacebookEmailNoteOtherShareThis post is for paid subscribersSubscribeAlready a paid subscriber? Sign in