Mark O'Brien (cyclist)

Mark O'Brien (born 16 September 1987 in Horsham) is an Australian cyclist, who last rode for Australian amateur team InForm TM Insight MAKE. He won the 2024 Melbourne to Warrnambool Cycling Classic.

Major results

 * 2008
 * 3rd Road race, National Under-23 Road Championships


 * 2009
 * 3rd Road race, National Under-23 Road Championships


 * 2010
 * 1st Stage 5 Jelajah Malaysia
 * 2nd Melbourne to Warrnambool Classic


 * 2012
 * 1st Overall Mersey Valley Tour
 * 1st Stage 2
 * 1st Overall Tour of Toowoomba
 * 1st Stage 2
 * 1st Overall North Western Tour
 * 1st Stage 3
 * 2nd Tour of Tasmania
 * Oceania Cycling Championships
 * 3rd Road race
 * 4th Time trial


 * 2014
 * 2nd Overall Tour of Toowoomba
 * 1st Stage 3 (TTT)
 * 2nd Baw Baw Classic
 * 3rd Overall Battle of the Border
 * 1st stage 1
 * 9th Overall Tour Alsace


 * 2016
 * 2nd New Zealand Cycle Classic
 * 2nd REV Classic
 * 3rd Road race, Oceania Cycling Championships


 * 2020
 * 1st Peaks Challenge Falls Creek


 * 2024
 * 1st Melbourne to Warrnambool Classic
 * 1st Peaks Challenge Falls Creek