Sep 4 2023: Michael Marston places 23rd at the Men Cat 4/5 Race at the Green Mountain Stage Race - General Classification in a group sprint

Sep 4 2023: Michael Marston places 11th at the Men Cat 4/5 Race at the Green Mountain Stage Race - Stage 4 Criterium in a group sprint

Sep 3 2023: Michael Marston places 39th at the Men Cat 4/5 Race at the Green Mountain Stage Race - Stage 3 Road Race in a group sprint

Sep 3 2023: Michael Marston places 7th at the Men Cat 4/5 Race at the Green Mountain Stage Race - Stage 2 Circuit Race in a field sprint

Sep 1 2023: Michael Marston places 62nd at the Men Cat 4/5 Race at the Green Mountain Stage Race - Stage 1 Time Trial