The largest women’s marathon was the Nagoya Women’s Marathon 2012, which had 13,114 participants and was held in Nagoya, Aichi, Japan, on 11 March 2012.

The Nagoya Women’s marathon 2012 was a qualifying race for the London Olympic, and its participants were solely women. Top three runners’ names and times, respectively, are Albina Mayorova (Russia) 2:23:52, Yoshimi Ozaki (Japan) 2:24:14, and Remi Nakazato (Japan) 2:24:28.