Jul 31 2021: Mark Castilloux places 33rd at the Men Masters 45+ Race at the The Plan2Peak Two Days of Buffalo - GC in a group sprint

Jul 31 2021: Mark Castilloux places 32nd at the Men Masters 45+ Race at the The Plan2Peak Two Days of Buffalo - TT in a group sprint

Jul 31 2021: Mark Castilloux places 13th at the Men Masters 45+ Race at the The Plan2Peak Two Days of Buffalo - RR in a field sprint

Jul 31 2021: Mark Castilloux places 17th at the Men Masters 45+ Race at the The Plan2Peak Two Days of Buffalo - Crit in a field sprint