Sep 19 2021: Mark Halvorson wins the Men Masters 60+ Race at the Ames Grand Prix Circuit in a group sprint

Sep 18 2021: Mark Halvorson wins the Men Masters 60+ Race at the Ames Grand Prix Crit in a group sprint

Aug 7 2021: Mark Halvorson wins the Men Masters 60+ Race at the Minnesota Road Race Championships in a group sprint

Jul 31 2021: Mark Halvorson places 2nd at the Men Masters 60+ Race at the MCF State Criterium Championships in a group sprint

May 22 2021: Mark Halvorson DNF'ed at the Men Masters 50+ Race at the Ken Woods Memorial Road Race in a group sprint