Back in February, BuzzFeed Health profiled eight transgender athletes who told their stories about fitness and competition. One of those athletes was triathlete Chris Mosier.
This past weekend Mosier made history by earning a spot on the men's national team at the 2016 World Duathalon Championship.
Mosier has been racing in triathalons since 2009 but has only been competing in the men's category since late 2010.
Mosier has already had success competing in triathlons and duathalons in the men's category.
Mosier said that the response from his teammates and the athletic community has been great.
As Laverne Cox pointed out, increased transgender inclusion in sports is something to celebrate.
Chris Mosier is the executive director of GO! Athletes. The original version of this article misstated his role in the company.