9 days before Alberto Salazar won Boston, he set a 10,000 pb on the track. So we fully expect Rupp to set a half marathon pb tomorrow – will he get the AR as well? *MB: Prague 1/2 predictions? Rupp ftw? – Official 2017 Prague Half Live Discussion Thread *MB: Jordan Hasay is running 100 miles a week just 2-3 weeks out from Boston