Aug 26 2018: Mark Pfeiffer places 43rd at the Men 45+ Masters Race at the Cycledrome Criterium in a group sprint

Jul 29 2018: Mark Pfeiffer places 54th at the Men Masters 45+ Race at the Emrick Boulevard Criterium in a field sprint

Jun 9 2018: Mark Pfeiffer DNF'ed at the Men Masters 45+ Race at the Bob Riccio Tour de Pitman in a group sprint

Jul 30 2017: Mark Pfeiffer places 45th at the Men 45-49 Masters Race at the Cycledrome Criterium in a group sprint

Jul 23 2017: Mark Pfeiffer DNF'ed at the Men 45-49 Masters Race at the Emrick Boulevard Criterium in a group sprint

Jul 9 2017: Mark Pfeiffer places 39th at the Men 45-49 Masters Race at the Curt's Cyclery Criterium in a field sprint

Jul 2 2017: Mark Pfeiffer places 21st at the Men Master 45+ Race at the Course de Evesham-Marlton-Evesham in a field sprint

May 29 2017: Mark Pfeiffer DNF'ed at the Men Masters 45+ Cat1/2/3 Race at the Tour of Somerville in a group sprint