Aug 8 2021: Butch Peterson DNF'ed at the Men Masters 50-54 Cat 13 Race at the USA Cycling Masters Road National Championships - Crit in a group sprint

Aug 7 2021: Butch Peterson places 17th at the Men Masters 50-54 Cat 13 Race at the USA Cycling Masters Road National Championships - RR in a group sprint

Mar 28 2021: Butch Peterson places 4th at the Men Master 50+ Race at the Maverick Classics - RR in a group sprint

Mar 27 2021: Butch Peterson places 5th at the Men Master 40+ Masters 40+ 123 Race at the Maverick Classics - Crit in a group sprint

Mar 27 2021: Butch Peterson places 6th at the Men Master 50+ Cat 1/2/3/4 Race at the Maverick Classics - Crit in a group sprint