The recent Tokyo Marathon featured a nonbinary division for the first time as part of an effort by organizers to be more inclusive of runners with varied gender identities.Thirty-eight runners, 23 of them from overseas, were registered in the category for the March 2 marathon, which became one of the first races in Japan to take the step, prompting calls for others in the country to follow suit."I'm very grateful and excited to be a part of this historical moment," said Cal Calamia, a 28-year-old American who traveled to Japan for the first time to run in the race.Calamia was born female an…READ FULL ARTICLE