Info
| Last name | O'Brien |
| First name | Mark |
| Nationality |  Australia |
| Date of birth | 16-09-1987 |
| Age | 38 |
| Place of birth | Horsham |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
 Tour de Korea (2.1) | |||||||
| 11 |  Standings | ||||||
| 15-06 | 60 | Stage 8Yangyang - Yangyang (82.0km) | |||||
| 14-06 | 6 | Stage 7Pyeongchang - Yangyang (158.0km) | |||||
| 13-06 | 5 | Stage 6Yeongju - Pyeongchang (177.0km) | |||||
| 12-06 | 82 | Stage 5Gumi - Yeongju (137.0km) | |||||
| 11-06 | 7 | Stage 4Gurye - Gumi (208.0km) | |||||
| 10-06 | 60 | Stage 3Muju - Gurye (161.0km) | |||||
| 09-06 | 35 | Stage 2Chungju - Muju (197.0km) | |||||
| 08-06 | 41 | Stage 1Hanam - Chungju (137.0km) | |||||
| Herald Sun Tour (2.1) | |||||||
| 28 | Standings | ||||||
| 09-02 | Stage 4Arthurs Seat - Arthurs Seat (125.0km) | ||||||
| 08-02 | 60 | Stage 3Mitchelton Winery - Nagambie (150.0km) | |||||
| 07-02 | 29 | Stage 2Ballarat - Bendigo (165.0km) | |||||
| 06-02 | 35 | Stage 1Geelong - Ballarat (125.0km) | |||||
| 05-02 | 91 | PrologueMelbourne - Melbourne (2.0km) | |||||
| Santos Tour Down Under (WT) | |||||||
| 65 | Standings | ||||||
| 26-01 | 125 | Stage 6Adelaide - Adelaide (85.0km) | |||||
| 25-01 | 61 | Stage 5McLaren Vale - Willunga (151.0km) | |||||
| 24-01 | 104 | Stage 4Unley - Victor Harbor (148.0km) | |||||
| 23-01 | 35 | Stage 3Norwood - Campbelltown (145.0km) | |||||
| 22-01 | 54 | Stage 2Prospect - Stirling (150.0km) | |||||
| 21-01 | 48 | Stage 1Nuriootpa - Angaston (135.0km) | |||||
| 12-01 | 7 | National Road Championships - Australia (CN) | |||||
Teams
Victories
| This year | 1 |
| Total | 2 |