Mar 3 2019: Jonathan Guiza places 39th at the Men Cat 2/3 Race at the Tour of the Southern Highlands - GC in a group sprint

Mar 3 2019: Jonathan Guiza places 38th at the Men Cat 2/3 Race at the Tour of the Southern Highlands - Stage 4 in a group sprint

Mar 2 2019: Jonathan Guiza places 47th at the Men Cat 2/3 Race at the Tour of the Southern Highlands - Stage 3 in a group sprint