Aug 13 2023: Jason Simpson wins the Men Masters 45+ Race at the GP Des Moines Criterium #2 in a group sprint

Aug 13 2023: Jason Simpson places 3rd at the Men Masters 40+ Race at the GP Des Moines Criterium #2 in a group sprint

May 29 2023: Jason Simpson places 4th at the Men 1/2/3/4 Master 40+ Race at the Kwik Star Criterium

May 28 2023: Jason Simpson places 11th at the Men Open Master 40+ Race at the Melon City Criterium

May 27 2023: Jason Simpson places 3rd at the Men Master 40+ Race at the Snake Alley Criterium p/b Bike Burlington

May 3 2023: Jason Simpson places 3rd at the Men Masters 40+ Race at the Des Moines Midweek Criterium Series in a group sprint

May 3 2023: Jason Simpson DNF'ed at the Men Open Cat 3/4/5 Race at the Des Moines Midweek Criterium Series in a group sprint

Apr 8 2023: Jason Simpson places 2nd at the Men Masters 45+ / 50+ Race at the Trofeo Sabato Santo Circuit in a group sprint

Apr 8 2023: Jason Simpson places 2nd at the Men Masters 45+ Race at the Trofeo Sabato Santo Circuit in a group sprint

Apr 8 2023: Jason Simpson places 3rd at the Men Masters 40+ Race at the Trofeo Sabato Santo Circuit in a group sprint