A glamorous triathlete who drowned during an Ironman competition in Texas shared a photo from a swimming pool during a final training session just two days before the tragic race. Brazilian influencer Mara Flávia, 38, shared the shot of her on the edge of a pool on Thursday — two days before she vanished during an open-water swim in The Woodlands Saturday morning. “Just another day at work,” Flávia, 38, wrote in Portuguese alongside the pic of her wearing a matching pink swimming costume and