Apr 7 2019: John Obrien places 35th at the Men 4-5 Race at the Joe Martin Stage Race - GC in a group sprint

Apr 7 2019: John Obrien places 31st at the Men 4-5 Race at the Joe Martin Stage Race - Amateur - Stage 3 in a group sprint

Apr 6 2019: John Obrien places 31st at the Men 4-5 Race at the Joe Martin Stage Race - Amateur - Stage 2 in a group sprint

Apr 6 2019: John Obrien places 37th at the Men 4-5 Race at the Joe Martin Stage Race - Amateur - Stage 1 in a group sprint