[1] She represented the host nation Greece in the three-woman keelboat at the 2004 Summer Olympics, before switching to a single-handed boat on her second trip to Beijing 2008.
Teamed up with leader Aikaterini Giakomidou and her fellow crew member Eleni Dimitrakopoulou in the inaugural Yngling class, the Greek trio finished the race series by a massive clamor of the home crowd in eleventh overall with a satisfying net grade of 86.
[6] Building up to her Olympic selection, she finished twenty-fifth out of 51 sailors in the gold fleet to secure one of the remaining places vying for qualification and eventually, to lock the country's Laser Radial berth at the class-associated ISAF Worlds nearly five months earlier in Auckland, New Zealand.
[2] Mantzaraki endured most of the races in the middle of the fleet, until she found solace to steer her way of getting a couple of top-ten marks at the very end.
Mantzaraki's scores attained in each of the ten legs, however, were not enough to put her through to the medal race, ending her campaign in the eighteenth position with 115 net points.